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8494cc82c5
Document the fix for errors inside live %if branches. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2434 lines
74 KiB
Plaintext
2434 lines
74 KiB
Plaintext
\#
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\# NASM revision history in nasmdoc format
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\#
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\H{cl-2.xx} NASM 2 Series
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The NASM 2 series supports x86-64, and is the production version of NASM
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since 2007.
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\S{cl-2.12.02} Version 2.12.02
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\b Fix preprocessor errors, especially \c{%error} and \c{%warning},
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inside \c{%if} statements.
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\S{cl-2.12.01} Version 2.12.01
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\b Portability fixes for some platforms.
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\b Fix error when not specifying a list file.
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\b Correct the handling of macro-local labels in the Codeview
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debugging format.
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\b Add \c{CLZERO}, \c{MONITORX} and \c{MWAITX} instructions.
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\S{cl-2.12} Version 2.12
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\b Major fixes to the \c{macho} backend (\k{machofmt}); earlier versions
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would produce invalid symbols and relocations on a regular basis.
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\b Support for thread-local storage in Mach-O.
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\b Support for arbitrary sections in Mach-O.
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\b Fix wrong negative size treated as a big positive value passed into
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backend causing NASM to crash.
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\b Fix handling of zero-extending unsigned relocations, we have been printing
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wrong message and forgot to assign segment with predefined value before
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passing it into output format.
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\b Fix potential write of oversized (with size greater than allowed in
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output format) relative relocations.
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\b Portability fixes for building NASM with LLVM compiler.
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\b Add support of Codeview version 8 (\c{cv8}) debug format for
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\c{win32} and \c{win64} formats in the \c{COFF} backend,
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see \k{codeview}.
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\b Allow 64-bit outputs in 16/32-bit only backends. Unsigned 64-bit
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relocations are zero-extended from 32-bits with a warning
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(suppressible via \c{-w-zext-reloc}); signed 64-bit relocations are
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an error.
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\b Line numbers in list files now correspond to the lines in the source
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files, instead of simply being sequential.
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\b There is now an official 64-bit (x64 a.k.a. x86-64) build for Windows.
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\S{cl-2.11.09} Version 2.11.09
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\b Fix potential stack overwrite in \c{macho32} backend.
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\b Fix relocation records in \c{macho64} backend.
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\b Fix symbol lookup computation in \c{macho64} backend.
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\b Adjust \c{.symtab} and \c{.rela.text} sections alignments to 8 bytes
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in \c{elf64} backed.
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\b Fix section length computation in \c{bin} backend which leaded in incorrect
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relocation records.
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\S{cl-2.11.08} Version 2.11.08
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\b Fix section length computation in \c{bin} backend which leaded in incorrect
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relocation records.
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\b Add a warning for numeric preprocessor definitions passed via command
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line which might have unexpected results otherwise.
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\b Add ability to specify a module name record in \c{rdoff} linker with
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\c{-mn} option.
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\b Increase label length capacity up to 256 bytes in \c{rdoff} backend for
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FreePascal sake, which tends to generate very long labels for procedures.
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\b Fix segmentation failure when rip addressing is used in \c{macho64} backend.
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\b Fix access on out of memory when handling strings with a single
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grave. We have sixed similar problem in previous release but not
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all cases were covered.
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\b Fix NULL dereference in disassembled on \c{BND} instruction.
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\S{cl-2.11.07} Version 2.11.07
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\b Fix 256 bit \c{VMOVNTPS} instruction.
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\b Fix \c{-MD} option handling, which was rather broken in previous
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release changing command line api.
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\b Fix access to unitialized space when handling strings with
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a single grave.
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\b Fix nil dereference in handling memory reference parsing.
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\S{cl-2.11.06} Version 2.11.06
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\b Update AVX512 instructions based on the Extension Reference (319433-021 Sept
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2014).
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\b Fix the behavior of \c{-MF} and \c{-MD} options (Bugzilla 3392280)
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\b Updated Win32 Makefile to fix issue with build
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\S{cl-2.11.05} Version 2.11.05
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\b Add \c{--v} as an alias for \c{-v} (see \k{opt-v}), for
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command-line compatibility with Yasm.
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\b Fix a bug introduced in 2.11.03 whereby certain instructions would
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contain multiple REX prefixes, and thus be corrupt.
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\S{cl-2.11.04} Version 2.11.04
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\b Removed an invalid error checking code. Sometimes a memref only with
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a displacement can also set an evex flag. For example:
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\c vmovdqu32 [0xabcd]{k1}, zmm0
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\b Fixed a bug in disassembler that EVEX.L'L vector length was not matched
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when EVEX.b was set because it was simply considered as EVEC.RC.
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Separated EVEX.L'L case from EVEX.RC which is ignored in matching.
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\S{cl-2.11.03} Version 2.11.03
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\b Fix a bug there REX prefixes were missing on instructions inside a
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\c{TIMES} statement.
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\S{cl-2.11.02} Version 2.11.02
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\b Add the \c{XSAVEC}, \c{XSAVES} and \c{XRSTORS} family instructions.
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\b Add the \c{CLFLUSHOPT} instruction.
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\S{cl-2.11.01} Version 2.11.01
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\b Allow instructions which implicitly uses \c{XMM0} (\c{VBLENDVPD},
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\c{VBLENDVPS}, \c{PBLENDVB} and \c{SHA256RNDS2}) to be specified
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without an explicit \c{xmm0} on the assembly line. In other words,
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the following two lines produce the same output:
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\c vblendvpd xmm2,xmm1,xmm0 ; Last operand is fixed xmm0
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\c vblendvpd xmm2,xmm1 ; Implicit xmm0 omitted
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\b In the ELF backends, don't crash the assembler if \c{section align}
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is specified without a value.
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\S{cl-2.11} Version 2.11
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\b Add support for the Intel AVX-512 instruction set:
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\b 16 new, 512-bit SIMD registers. Total 32 \c{(ZMM0 ~ ZMM31)}
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\b 8 new opmask registers \c{(K0 ~ K7)}. One of 7 registers \c{(K1 ~ K7)} can
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be used as an opmask for conditional execution.
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\b A new EVEX encoding prefix. EVEX is based on VEX and provides more
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capabilities: opmasks, broadcasting, embedded rounding and compressed
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displacements.
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\c - opmask
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\c VDIVPD zmm0{k1}{z}, zmm1, zmm3 ; conditional vector operation
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\c ; using opmask k1.
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\c ; {z} is for zero-masking
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\c - broadcasting
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\c VDIVPS zmm4, zmm5, [rbx]{1to16} ; load single-precision float and
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\c ; replicate it 16 times. 32 * 16 = 512
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\c - embedded rounding
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\c VCVTSI2SD xmm6, xmm7, {rz-sae}, rax ; round toward zero. note that it
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\c ; is used as if a separate operand.
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\c ; it comes after the last SIMD operand
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\b Add support for \c{ZWORD} (512 bits), \c{DZ} and \c{RESZ}.
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\b Add support for the MPX and SHA instruction sets.
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\b Better handling of section redefinition.
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\b Generate manpages when running \c{'make dist'}.
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\b Handle all token chains in mmacro params range.
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\b Support split [base,index] effective address:
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\c mov eax,[eax+8,ecx*4] ; eax=base, ecx=index, 4=scale, 8=disp
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This is expected to be most useful for the MPX instructions.
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\b Support \c{BND} prefix for branch instructions (for MPX).
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\b The \c{DEFAULT} directive can now take \c{BND} and \c{NOBND}
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options to indicate whether all relevant branches should be getting
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\c{BND} prefixes. This is expected to be the normal for use in MPX
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code.
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\b Add \c{{evex}}, \c{{vex3}} and \c{{vex2}} instruction prefixes to
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have NASM encode the corresponding instruction, if possible, with an EVEX,
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3-byte VEX, or 2-byte VEX prefix, respectively.
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\b Support for section names longer than 8 bytes in Win32/Win64 COFF.
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\b The \c{NOSPLIT} directive by itself no longer forces a single
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register to become an index register, unless it has an explicit
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multiplier.
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\c mov eax,[nosplit eax] ; eax as base register
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\c mov eax,[nosplit eax*1] ; eax as index register
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\S{cl-2.10.09} Version 2.10.09
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\b Pregenerate man pages.
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\S{cl-2.10.08} Version 2.10.08
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\b Fix \c{VMOVNTDQA}, \c{MOVNTDQA} and \c{MOVLPD} instructions.
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\b Fix collision for \c{VGATHERQPS}, \c{VPGATHERQD} instructions.
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\b Fix \c{VPMOVSXBQ}, \c{VGATHERQPD}, \c{VSPLLW} instructions.
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\b Add a bunch of AMD TBM instructions.
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\b Fix potential stack overwrite in numbers conversion.
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\b Allow byte size in \c{PREFETCHTx} instructions.
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\b Make manual pages up to date.
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\b Make \c{F3} and \c{F2} SSE prefixes to override \c{66}.
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\b Support of AMD SVM instructions in 32 bit mode.
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\b Fix near offsets code generation for \c{JMP}, \c{CALL} instrictions
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in long mode.
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\b Fix preprocessor parse regression when id is expanding to a whitespace.
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\S{cl-2.10.07} Version 2.10.07
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\b Fix line continuation parsing being broken in previous version.
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\S{cl-2.10.06} Version 2.10.06
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\b Always quote the dependency source names when using the automatic
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dependency generation options.
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\b If no dependency target name is specified via the \c{-MT} or
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\c{-MQ} options, quote the default output name.
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\b Fix assembly of shift operations in \c{CPU 8086} mode.
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\b Fix incorrect generation of explicit immediate byte for shift by 1
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under certain circumstances.
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\b Fix assembly of the \c{VPCMPGTQ} instruction.
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\b Fix RIP-relative relocations in the \c{macho64} backend.
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\S{cl-2.10.05} Version 2.10.05
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\b Add the \c{CLAC} and \c{STAC} instructions.
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\S{cl-2.10.04} Version 2.10.04
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\b Add back the inadvertently deleted 256-bit version of the \c{VORPD}
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instruction.
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\b Correct disassembly of instructions starting with byte \c{82} hex.
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\b Fix corner cases in token pasting, for example:
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\c %define N 1e%++%+ 5
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\c dd N, 1e+5
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\S{cl-2.10.03} Version 2.10.03
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\b Correct the assembly of the instruction:
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\c XRELEASE MOV [absolute],AL
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Previous versions would incorrectly generate \c{F3 A2} for this
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instruction and issue a warning; correct behavior is to emit \c{F3 88
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05}.
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\S{cl-2.10.02} Version 2.10.02
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\b Add the \c{ifunc} macro package with integer functions, currently
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only integer logarithms. See \k{pkg_ifunc}.
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\b Add the \c{RDSEED}, \c{ADCX} and \c{ADOX} instructions.
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\S{cl-2.10.01} Version 2.10.01
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\b Add missing VPMOVMSKB instruction with reg32, ymmreg operands.
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\S{cl-2.10} Version 2.10
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\b When optimization is enabled, \c{mov r64,imm} now optimizes to the
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shortest form possible between:
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\c mov r32,imm32 ; 5 bytes
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\c mov r64,imm32 ; 7 bytes
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\c mov r64,imm64 ; 10 bytes
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To force a specific form, use the \c{STRICT} keyword, see \k{strict}.
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\b Add support for the Intel AVX2 instruction set.
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\b Add support for Bit Manipulation Instructions 1 and 2.
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\b Add support for Intel Transactional Synchronization Extensions (TSX).
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\b Add support for x32 ELF (32-bit ELF with the CPU in 64-bit mode.)
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See \k{elffmt}.
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\b Add support for bigendian UTF-16 and UTF-32. See \k{unicode}.
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\S{cl-2.09.10} Version 2.09.10
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\b Fix up NSIS script to protect uninstaller against registry keys
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absence or corruption. It brings in a few additional questions
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to a user during deinstallation procedure but still it is better
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than unpredictable file removal.
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\S{cl-2.09.09} Version 2.09.09
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\b Fix initialization of section attributes of \c{bin} output format.
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\b Fix \c{mach64} output format bug that crashes NASM due to NULL symbols.
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\S{cl-2.09.08} Version 2.09.08
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\b Fix \c{__OUTPUT_FORMAT__} assignment when output driver alias
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is used. For example when \c{-f elf} is used \c{__OUTPUT_FORMAT__}
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must be set to \c{elf}, if \c{-f elf32} is used \c{__OUTPUT_FORMAT__}
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must be assigned accordingly, i.e. to \c{elf32}. The rule applies to
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all output driver aliases. See \k{ofmtm}.
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\S{cl-2.09.07} Version 2.09.07
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\b Fix attempts to close same file several times
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when \c{-a} option is used.
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\b Fixes for VEXTRACTF128, VMASKMOVPS encoding.
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\S{cl-2.09.06} Version 2.09.06
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\b Fix missed section attribute initialization in \c{bin} output target.
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\S{cl-2.09.05} Version 2.09.05
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\b Fix arguments encoding for VPEXTRW instruction.
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\b Remove invalid form of VPEXTRW instruction.
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\b Add \c{VLDDQU} as alias for \c{VLDQQU} to
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match specification.
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\S{cl-2.09.04} Version 2.09.04
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\b Fix incorrect labels offset for VEX intructions.
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\b Eliminate bogus warning on implicit operand size override.
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\b \c{%if} term could not handle 64 bit numbers.
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\b The COFF backend was limiting relocations number to 16 bits even if
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in real there were a way more relocations.
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\S{cl-2.09.03} Version 2.09.03
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\b Print \c{%macro} name inside \c{%rep} blocks on error.
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\b Fix preprocessor expansion behaviour. It happened sometime
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too early and sometime simply wrong. Move behaviour back to
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the origins (down to NASM 2.05.01).
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\b Fix unitialized data dereference on OMF output format.
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\b Issue warning on unterminated \c{%{} construct.
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\b Fix for documentation typo.
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\S{cl-2.09.02} Version 2.09.02
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\b Fix reversed tokens when \c{%deftok} produces more than one output token.
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\b Fix segmentation fault on disassembling some VEX instructions.
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\b Missing \c{%endif} did not always cause error.
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\b Fix typo in documentation.
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\b Compound context local preprocessor single line macro identifiers
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were not expanded early enough and as result lead to unresolved
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symbols.
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\S{cl-2.09.01} Version 2.09.01
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\b Fix NULL dereference on missed %deftok second parameter.
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\b Fix NULL dereference on invalid %substr parameters.
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\S{cl-2.09} Version 2.09
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\b Fixed assignment the magnitude of \c{%rep} counter. It is limited
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to 62 bits now.
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\b Fixed NULL dereference if argument of \c{%strlen} resolves
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to whitespace. For example if nonexistent macro parameter is used.
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\b \c{%ifenv}, \c{%elifenv}, \c{%ifnenv}, and \c{%elifnenv} directives
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introduced. See \k{ifenv}.
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\b Fixed NULL dereference if environment variable is missed.
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\b Updates of new AVX v7 Intel instructions.
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\b \c{PUSH imm32} is now officially documented.
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\b Fix for encoding the LFS, LGS and LSS in 64-bit mode.
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\b Fixes for compatibility with OpenWatcom compiler and DOS 8.3 file
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format limitation.
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\b Macros parameters range expansion introduced. See \k{mlmacrange}.
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\b Backward compatibility on expanging of local sigle macros restored.
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\b 8 bit relocations for \c{elf} and \c{bin} output formats are introduced.
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\b Short intersegment jumps are permitted now.
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\b An alignment more than 64 bytes are allowed for \c{win32},
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\c{win64} output formats.
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\b \c{SECTALIGN} directive introduced. See \k{sectalign}.
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\b \c{nojmp} option introduced in \c{smartalign} package. See
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\k{pkg_smartalign}.
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\b Short aliases \c{win}, \c{elf} and \c{macho} for output formats are
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introduced. Each stands for \c{win32}, \c{elf32} and \c{macho32}
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accordingly.
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\b Faster handling of missing directives implemented.
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\b Various small improvements in documentation.
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\b No hang anymore if unable to open malloc.log file.
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\b The environments without vsnprintf function are able to build nasm again.
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\b AMD LWP instructions updated.
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\b Tighten EA checks. We warn a user if there overflow in EA addressing.
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\b Make \c{-Ox} the default optimization level. For the legacy
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behavior, specify \c{-O0} explicitly. See \k{opt-O}.
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\b Environment variables read with \c{%!} or tested with \c{%ifenv}
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can now contain non-identifier characters if surrounded by quotes.
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See \k{getenv}.
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\b Add a new standard macro package \c{%use fp} for floating-point
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convenience macros. See \k{pkg_fp}.
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\S{cl-2.08.02} Version 2.08.02
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\b Fix crash under certain circumstances when using the \c{%+} operator.
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\S{cl-2.08.01} Version 2.08.01
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\b Fix the \c{%use} statement, which was broken in 2.08.
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\S{cl-2.08} Version 2.08
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\b A number of enhancements/fixes in macros area.
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\b Support for converting strings to tokens. See \k{deftok}.
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|
\b Fuzzy operand size logic introduced.
|
|
|
|
\b Fix COFF stack overrun on too long export identifiers.
|
|
|
|
\b Fix Macho-O alignment bug.
|
|
|
|
\b Fix crashes with -fwin32 on file with many exports.
|
|
|
|
\b Fix stack overrun for too long [DEBUG id].
|
|
|
|
\b Fix incorrect sbyte usage in IMUL (hit only if optimization
|
|
flag passed).
|
|
|
|
\b Append ending token for \c{.stabs} records in the ELF output format.
|
|
|
|
\b New NSIS script which uses ModernUI and MultiUser approach.
|
|
|
|
\b Visual Studio 2008 NASM integration (rules file).
|
|
|
|
\b Warn a user if a constant is too long (and as result will be stripped).
|
|
|
|
\b The obsoleted pre-XOP AMD SSE5 instruction set which was never actualized
|
|
was removed.
|
|
|
|
\b Fix stack overrun on too long error file name passed from the command line.
|
|
|
|
\b Bind symbols to the .text section by default (ie in case if SECTION
|
|
directive was omitted) in the ELF output format.
|
|
|
|
\b Fix sync points array index wrapping.
|
|
|
|
\b A few fixes for FMA4 and XOP instruction templates.
|
|
|
|
\b Add AMD Lightweight Profiling (LWP) instructions.
|
|
|
|
\b Fix the offset for \c{%arg} in 64-bit mode.
|
|
|
|
\b An undefined local macro (\c{%$}) no longer matches a global macro
|
|
with the same name.
|
|
|
|
\b Fix NULL dereference on too long local labels.
|
|
|
|
|
|
\S{cl-2.07} Version 2.07
|
|
|
|
\b NASM is now under the 2-clause BSD license. See \k{legal}.
|
|
|
|
\b Fix the section type for the \c{.strtab} section in the \c{elf64}
|
|
output format.
|
|
|
|
\b Fix the handling of \c{COMMON} directives in the \c{obj} output format.
|
|
|
|
\b New \c{ith} and \c{srec} output formats; these are variants of the
|
|
\c{bin} output format which output Intel hex and Motorola S-records,
|
|
respectively. See \k{ithfmt} and \k{srecfmt}.
|
|
|
|
\b \c{rdf2ihx} replaced with an enhanced \c{rdf2bin}, which can output
|
|
binary, COM, Intel hex or Motorola S-records.
|
|
|
|
\b The Windows installer now puts the NASM directory first in the
|
|
\c{PATH} of the "NASM Shell".
|
|
|
|
\b Revert the early expansion behavior of \c{%+} to pre-2.06 behavior:
|
|
\c{%+} is only expanded late.
|
|
|
|
\b Yet another Mach-O alignment fix.
|
|
|
|
\b Don't delete the list file on errors. Also, include error and
|
|
warning information in the list file.
|
|
|
|
\b Support for 64-bit Mach-O output, see \k{machofmt}.
|
|
|
|
\b Fix assert failure on certain operations that involve strings with
|
|
high-bit bytes.
|
|
|
|
|
|
\S{cl-2.06} Version 2.06
|
|
|
|
\b This release is dedicated to the memory of Charles A. Crayne, long
|
|
time NASM developer as well as moderator of \c{comp.lang.asm.x86} and
|
|
author of the book \e{Serious Assembler}. We miss you, Chuck.
|
|
|
|
\b Support for indirect macro expansion (\c{%[...]}). See \k{indmacro}.
|
|
|
|
\b \c{%pop} can now take an argument, see \k{pushpop}.
|
|
|
|
\b The argument to \c{%use} is no longer macro-expanded. Use
|
|
\c{%[...]} if macro expansion is desired.
|
|
|
|
\b Support for thread-local storage in ELF32 and ELF64. See \k{elftls}.
|
|
|
|
\b Fix crash on \c{%ifmacro} without an argument.
|
|
|
|
\b Correct the arguments to the \c{POPCNT} instruction.
|
|
|
|
\b Fix section alignment in the Mach-O format.
|
|
|
|
\b Update AVX support to version 5 of the Intel specification.
|
|
|
|
\b Fix the handling of accesses to context-local macros from higher
|
|
levels in the context stack.
|
|
|
|
\b Treat \c{WAIT} as a prefix rather than as an instruction, thereby
|
|
allowing constructs like \c{O16 FSAVE} to work correctly.
|
|
|
|
\b Support for structures with a non-zero base offset. See \k{struc}.
|
|
|
|
\b Correctly handle preprocessor token concatenation (see \k{concat})
|
|
involving floating-point numbers.
|
|
|
|
\b The \c{PINSR} series of instructions have been corrected and
|
|
rationalized.
|
|
|
|
\b Removed AMD SSE5, replaced with the new XOP/FMA4/CVT16 (rev 3.03)
|
|
spec.
|
|
|
|
\b The ELF backends no longer automatically generate a \c{.comment} section.
|
|
|
|
\b Add additional "well-known" ELF sections with default attributes. See
|
|
\k{elfsect}.
|
|
|
|
|
|
\S{cl-2.05.01} Version 2.05.01
|
|
|
|
\b Fix the \c{-w}/\c{-W} option parsing, which was broken in NASM 2.05.
|
|
|
|
|
|
\S{cl-2.05} Version 2.05
|
|
|
|
\b Fix redundant REX.W prefix on \c{JMP reg64}.
|
|
|
|
\b Make the behaviour of \c{-O0} match NASM 0.98 legacy behavior.
|
|
See \k{opt-O}.
|
|
|
|
\b \c{-w-user} can be used to suppress the output of \c{%warning} directives.
|
|
See \k{opt-w}.
|
|
|
|
\b Fix bug where \c{ALIGN} would issue a full alignment datum instead of
|
|
zero bytes.
|
|
|
|
\b Fix offsets in list files.
|
|
|
|
\b Fix \c{%include} inside multi-line macros or loops.
|
|
|
|
\b Fix error where NASM would generate a spurious warning on valid
|
|
optimizations of immediate values.
|
|
|
|
\b Fix arguments to a number of the \c{CVT} SSE instructions.
|
|
|
|
\b Fix RIP-relative offsets when the instruction carries an immediate.
|
|
|
|
\b Massive overhaul of the ELF64 backend for spec compliance.
|
|
|
|
\b Fix the Geode \c{PFRCPV} and \c{PFRSQRTV} instruction.
|
|
|
|
\b Fix the SSE 4.2 \c{CRC32} instruction.
|
|
|
|
|
|
\S{cl-2.04} Version 2.04
|
|
|
|
\b Sanitize macro handing in the \c{%error} directive.
|
|
|
|
\b New \c{%warning} directive to issue user-controlled warnings.
|
|
|
|
\b \c{%error} directives are now deferred to the final assembly phase.
|
|
|
|
\b New \c{%fatal} directive to immediately terminate assembly.
|
|
|
|
\b New \c{%strcat} directive to join quoted strings together.
|
|
|
|
\b New \c{%use} macro directive to support standard macro directives. See
|
|
\k{use}.
|
|
|
|
\b Excess default parameters to \c{%macro} now issues a warning by default.
|
|
See \k{mlmacro}.
|
|
|
|
\b Fix \c{%ifn} and \c{%elifn}.
|
|
|
|
\b Fix nested \c{%else} clauses.
|
|
|
|
\b Correct the handling of nested \c{%rep}s.
|
|
|
|
\b New \c{%unmacro} directive to undeclare a multi-line macro.
|
|
See \k{unmacro}.
|
|
|
|
\b Builtin macro \c{__PASS__} which expands to the current assembly pass.
|
|
See \k{pass_macro}.
|
|
|
|
\b \c{__utf16__} and \c{__utf32__} operators to generate UTF-16 and UTF-32
|
|
strings. See \k{unicode}.
|
|
|
|
\b Fix bug in case-insensitive matching when compiled on platforms that
|
|
don't use the \c{configure} script. Of the official release binaries,
|
|
that only affected the OS/2 binary.
|
|
|
|
\b Support for x87 packed BCD constants. See \k{bcdconst}.
|
|
|
|
\b Correct the \c{LTR} and \c{SLDT} instructions in 64-bit mode.
|
|
|
|
\b Fix unnecessary REX.W prefix on indirect jumps in 64-bit mode.
|
|
|
|
\b Add AVX versions of the AES instructions (\c{VAES}...).
|
|
|
|
\b Fix the 256-bit FMA instructions.
|
|
|
|
\b Add 256-bit AVX stores per the latest AVX spec.
|
|
|
|
\b VIA XCRYPT instructions can now be written either with or without
|
|
\c{REP}, apparently different versions of the VIA spec wrote them
|
|
differently.
|
|
|
|
\b Add missing 64-bit \c{MOVNTI} instruction.
|
|
|
|
\b Fix the operand size of \c{VMREAD} and \c{VMWRITE}.
|
|
|
|
\b Numerous bug fixes, especially to the AES, AVX and VTX instructions.
|
|
|
|
\b The optimizer now always runs until it converges. It also runs even
|
|
when disabled, but doesn't optimize. This allows most forward references
|
|
to be resolved properly.
|
|
|
|
\b \c{%push} no longer needs a context identifier; omitting the context
|
|
identifier results in an anonymous context.
|
|
|
|
|
|
\S{cl-2.03.01} Version 2.03.01
|
|
|
|
\b Fix buffer overflow in the listing module.
|
|
|
|
\b Fix the handling of hexadecimal escape codes in `...` strings.
|
|
|
|
\b The Postscript/PDF documentation has been reformatted.
|
|
|
|
\b The \c{-F} option now implies \c{-g}.
|
|
|
|
|
|
\S{cl-2.03} Version 2.03
|
|
|
|
\b Add support for Intel AVX, CLMUL and FMA instructions,
|
|
including YMM registers.
|
|
|
|
\b \c{dy}, \c{resy} and \c{yword} for 32-byte operands.
|
|
|
|
\b Fix some SSE5 instructions.
|
|
|
|
\b Intel \c{INVEPT}, \c{INVVPID} and \c{MOVBE} instructions.
|
|
|
|
\b Fix checking for critical expressions when the optimizer is enabled.
|
|
|
|
\b Support the DWARF debugging format for ELF targets.
|
|
|
|
\b Fix optimizations of signed bytes.
|
|
|
|
\b Fix operation on bigendian machines.
|
|
|
|
\b Fix buffer overflow in the preprocessor.
|
|
|
|
\b \c{SAFESEH} support for Win32, \c{IMAGEREL} for Win64 (SEH).
|
|
|
|
\b \c{%?} and \c{%??} to refer to the name of a macro itself. In particular,
|
|
\c{%idefine keyword $%?} can be used to make a keyword "disappear".
|
|
|
|
\b New options for dependency generation: \c{-MD}, \c{-MF},
|
|
\c{-MP}, \c{-MT}, \c{-MQ}.
|
|
|
|
\b New preprocessor directives \c{%pathsearch} and \c{%depend}; INCBIN
|
|
reimplemented as a macro.
|
|
|
|
\b \c{%include} now resolves macros in a sane manner.
|
|
|
|
\b \c{%substr} can now be used to get other than one-character substrings.
|
|
|
|
\b New type of character/string constants, using backquotes (\c{`...`}),
|
|
which support C-style escape sequences.
|
|
|
|
\b \c{%defstr} and \c{%idefstr} to stringize macro definitions before
|
|
creation.
|
|
|
|
\b Fix forward references used in \c{EQU} statements.
|
|
|
|
|
|
\S{cl-2.02} Version 2.02
|
|
|
|
\b Additional fixes for MMX operands with explicit \c{qword}, as well as
|
|
(hopefully) SSE operands with \c{oword}.
|
|
|
|
\b Fix handling of truncated strings with \c{DO}.
|
|
|
|
\b Fix segfaults due to memory overwrites when floating-point constants
|
|
were used.
|
|
|
|
\b Fix segfaults due to missing include files.
|
|
|
|
\b Fix OpenWatcom Makefiles for DOS and OS/2.
|
|
|
|
\b Add autogenerated instruction list back into the documentation.
|
|
|
|
\b ELF: Fix segfault when generating stabs, and no symbols have been
|
|
defined.
|
|
|
|
\b ELF: Experimental support for DWARF debugging information.
|
|
|
|
\b New compile date and time standard macros.
|
|
|
|
\b \c{%ifnum} now returns true for negative numbers.
|
|
|
|
\b New \c{%iftoken} test for a single token.
|
|
|
|
\b New \c{%ifempty} test for empty expansion.
|
|
|
|
\b Add support for the \c{XSAVE} instruction group.
|
|
|
|
\b Makefile for Netware/gcc.
|
|
|
|
\b Fix issue with some warnings getting emitted way too many times.
|
|
|
|
\b Autogenerated instruction list added to the documentation.
|
|
|
|
|
|
\S{cl-2.01} Version 2.01
|
|
|
|
\b Fix the handling of MMX registers with explicit \c{qword} tags on
|
|
memory (broken in 2.00 due to 64-bit changes.)
|
|
|
|
\b Fix the PREFETCH instructions.
|
|
|
|
\b Fix the documentation.
|
|
|
|
\b Fix debugging info when using \c{-f elf}
|
|
(backwards compatibility alias for \c{-f elf32}).
|
|
|
|
\b Man pages for rdoff tools (from the Debian project.)
|
|
|
|
\b ELF: handle large numbers of sections.
|
|
|
|
\b Fix corrupt output when the optimizer runs out of passes.
|
|
|
|
|
|
\S{cl-2.00} Version 2.00
|
|
|
|
\b Added c99 data-type compliance.
|
|
|
|
\b Added general x86-64 support.
|
|
|
|
\b Added win64 (x86-64 COFF) output format.
|
|
|
|
\b Added \c{__BITS__} standard macro.
|
|
|
|
\b Renamed the \c{elf} output format to \c{elf32} for clarity.
|
|
|
|
\b Added \c{elf64} and \c{macho} (MacOS X) output formats.
|
|
|
|
\b Added Numeric constants in \c{dq} directive.
|
|
|
|
\b Added \c{oword}, \c{do} and \c{reso} pseudo operands.
|
|
|
|
\b Allow underscores in numbers.
|
|
|
|
\b Added 8-, 16- and 128-bit floating-point formats.
|
|
|
|
\b Added binary, octal and hexadecimal floating-point.
|
|
|
|
\b Correct the generation of floating-point constants.
|
|
|
|
\b Added floating-point option control.
|
|
|
|
\b Added Infinity and NaN floating point support.
|
|
|
|
\b Added ELF Symbol Visibility support.
|
|
|
|
\b Added setting OSABI value in ELF header directive.
|
|
|
|
\b Added Generate Makefile Dependencies option.
|
|
|
|
\b Added Unlimited Optimization Passes option.
|
|
|
|
\b Added \c{%IFN} and \c{%ELIFN} support.
|
|
|
|
\b Added Logical Negation Operator.
|
|
|
|
\b Enhanced Stack Relative Preprocessor Directives.
|
|
|
|
\b Enhanced ELF Debug Formats.
|
|
|
|
\b Enhanced Send Errors to a File option.
|
|
|
|
\b Added SSSE3, SSE4.1, SSE4.2, SSE5 support.
|
|
|
|
\b Added a large number of additional instructions.
|
|
|
|
\b Significant performance improvements.
|
|
|
|
\b \c{-w+warning} and \c{-w-warning} can now be written as -Wwarning and
|
|
-Wno-warning, respectively. See \k{opt-w}.
|
|
|
|
\b Add \c{-w+error} to treat warnings as errors. See \k{opt-w}.
|
|
|
|
\b Add \c{-w+all} and \c{-w-all} to enable or disable all suppressible
|
|
warnings. See \k{opt-w}.
|
|
|
|
|
|
\H{cl-0.98.xx} NASM 0.98 Series
|
|
|
|
The 0.98 series was the production versions of NASM from 1999 to 2007.
|
|
|
|
|
|
\S{cl-0.98.39} Version 0.98.39
|
|
|
|
\b fix buffer overflow
|
|
|
|
\b fix outas86's \c{.bss} handling
|
|
|
|
\b "make spotless" no longer deletes config.h.in.
|
|
|
|
\b \c{%(el)if(n)idn} insensitivity to string quotes difference (#809300).
|
|
|
|
\b (nasm.c)\c{__OUTPUT_FORMAT__} changed to string value instead of symbol.
|
|
|
|
\S{cl-0.98.38} Version 0.98.38
|
|
|
|
|
|
\b Add Makefile for 16-bit DOS binaries under OpenWatcom, and modify
|
|
\c{mkdep.pl} to be able to generate completely pathless dependencies, as
|
|
required by OpenWatcom wmake (it supports path searches, but not
|
|
explicit paths.)
|
|
|
|
\b Fix the \c{STR} instruction.
|
|
|
|
\b Fix the ELF output format, which was broken under certain
|
|
circumstances due to the addition of stabs support.
|
|
|
|
\b Quick-fix Borland format debug-info for \c{-f obj}
|
|
|
|
\b Fix for \c{%rep} with no arguments (#560568)
|
|
|
|
\b Fix concatenation of preprocessor function call (#794686)
|
|
|
|
\b Fix long label causes coredump (#677841)
|
|
|
|
\b Use autoheader as well as autoconf to keep configure from generating
|
|
ridiculously long command lines.
|
|
|
|
\b Make sure that all of the formats which support debugging output
|
|
actually will suppress debugging output when \c{-g} not specified.
|
|
|
|
\S{cl-0.98.37} Version 0.98.37
|
|
|
|
|
|
\b Paths given in \c{-I} switch searched for \c{incbin}-ed as
|
|
well as \c{%include}-ed files.
|
|
|
|
\b Added stabs debugging for the ELF output format, patch from
|
|
Martin Wawro.
|
|
|
|
\b Fix \c{output/outbin.c} to allow origin > 80000000h.
|
|
|
|
\b Make \c{-U} switch work.
|
|
|
|
\b Fix the use of relative offsets with explicit prefixes, e.g.
|
|
\c{a32 loop foo}.
|
|
|
|
\b Remove \c{backslash()}.
|
|
|
|
\b Fix the \c{SMSW} and \c{SLDT} instructions.
|
|
|
|
\b \c{-O2} and \c{-O3} are no longer aliases for \c{-O10} and \c{-O15}.
|
|
If you mean the latter, please say so! :)
|
|
|
|
\S{cl-0.98.36} Version 0.98.36
|
|
|
|
|
|
\b Update rdoff - librarian/archiver - common rec - docs!
|
|
|
|
\b Fix signed/unsigned problems.
|
|
|
|
\b Fix \c{JMP FAR label} and \c{CALL FAR label}.
|
|
|
|
\b Add new multisection support - map files - fix align bug
|
|
|
|
\b Fix sysexit, movhps/movlps reg,reg bugs in insns.dat
|
|
|
|
\b \c{Q} or \c{O} suffixes indicate octal
|
|
|
|
\b Support Prescott new instructions (PNI).
|
|
|
|
\b Cyrix \c{XSTORE} instruction.
|
|
|
|
|
|
\S{cl-0.98.35} Version 0.98.35
|
|
|
|
\b Fix build failure on 16-bit DOS (Makefile.bc3 workaround for compiler bug.)
|
|
|
|
\b Fix dependencies and compiler warnings.
|
|
|
|
\b Add "const" in a number of places.
|
|
|
|
\b Add -X option to specify error reporting format (use -Xvc to
|
|
integrate with Microsoft Visual Studio.)
|
|
|
|
\b Minor changes for code legibility.
|
|
|
|
\b Drop use of tmpnam() in rdoff (security fix.)
|
|
|
|
|
|
\S{cl-0.98.34} Version 0.98.34
|
|
|
|
\b Correct additional address-size vs. operand-size confusions.
|
|
|
|
\b Generate dependencies for all Makefiles automatically.
|
|
|
|
\b Add support for unimplemented (but theoretically available)
|
|
registers such as tr0 and cr5. Segment registers 6 and 7 are called
|
|
segr6 and segr7 for the operations which they can be represented.
|
|
|
|
\b Correct some disassembler bugs related to redundant address-size prefixes.
|
|
Some work still remains in this area.
|
|
|
|
\b Correctly generate an error for things like "SEG eax".
|
|
|
|
\b Add the JMPE instruction, enabled by "CPU IA64".
|
|
|
|
\b Correct compilation on newer gcc/glibc platforms.
|
|
|
|
\b Issue an error on things like "jmp far eax".
|
|
|
|
|
|
\S{cl-0.98.33} Version 0.98.33
|
|
|
|
\b New __NASM_PATCHLEVEL__ and __NASM_VERSION_ID__ standard macros to
|
|
round out the version-query macros. version.pl now understands
|
|
X.YYplWW or X.YY.ZZplWW as a version number, equivalent to
|
|
X.YY.ZZ.WW (or X.YY.0.WW, as appropriate).
|
|
|
|
\b New keyword "strict" to disable the optimization of specific
|
|
operands.
|
|
|
|
\b Fix the handing of size overrides with JMP instructions
|
|
(instructions such as "jmp dword foo".)
|
|
|
|
\b Fix the handling of "ABSOLUTE label", where "label" points into a
|
|
relocatable segment.
|
|
|
|
\b Fix OBJ output format with lots of externs.
|
|
|
|
\b More documentation updates.
|
|
|
|
\b Add -Ov option to get verbose information about optimizations.
|
|
|
|
\b Undo a braindead change which broke \c{%elif} directives.
|
|
|
|
\b Makefile updates.
|
|
|
|
|
|
\S{cl-0.98.32} Version 0.98.32
|
|
|
|
\b Fix NASM crashing when \c{%macro} directives were left unterminated.
|
|
|
|
\b Lots of documentation updates.
|
|
|
|
\b Complete rewrite of the PostScript/PDF documentation generator.
|
|
|
|
\b The MS Visual C++ Makefile was updated and corrected.
|
|
|
|
\b Recognize .rodata as a standard section name in ELF.
|
|
|
|
\b Fix some obsolete Perl4-isms in Perl scripts.
|
|
|
|
\b Fix configure.in to work with autoconf 2.5x.
|
|
|
|
\b Fix a couple of "make cleaner" misses.
|
|
|
|
\b Make the normal "./configure && make" work with Cygwin.
|
|
|
|
|
|
\S{cl-0.98.31} Version 0.98.31
|
|
|
|
\b Correctly build in a separate object directory again.
|
|
|
|
\b Derive all references to the version number from the version file.
|
|
|
|
\b New standard macros __NASM_SUBMINOR__ and __NASM_VER__ macros.
|
|
|
|
\b Lots of Makefile updates and bug fixes.
|
|
|
|
\b New \c{%ifmacro} directive to test for multiline macros.
|
|
|
|
\b Documentation updates.
|
|
|
|
\b Fixes for 16-bit OBJ format output.
|
|
|
|
\b Changed the NASM environment variable to NASMENV.
|
|
|
|
|
|
\S{cl-0.98.30} Version 0.98.30
|
|
|
|
\b Changed doc files a lot: completely removed old READMExx and
|
|
Wishlist files, incorporating all information in CHANGES and TODO.
|
|
|
|
\b I waited a long time to rename zoutieee.c to (original) outieee.c
|
|
|
|
\b moved all output modules to output/ subdirectory.
|
|
|
|
\b Added 'make strip' target to strip debug info from nasm & ndisasm.
|
|
|
|
\b Added INSTALL file with installation instructions.
|
|
|
|
\b Added -v option description to nasm man.
|
|
|
|
\b Added dist makefile target to produce source distributions.
|
|
|
|
\b 16-bit support for ELF output format (GNU extension, but useful.)
|
|
|
|
|
|
\S{cl-0.98.28} Version 0.98.28
|
|
|
|
\b Fastcooked this for Debian's Woody release:
|
|
Frank applied the INCBIN bug patch to 0.98.25alt and called
|
|
it 0.98.28 to not confuse poor little apt-get.
|
|
|
|
|
|
\S{cl-0.98.26} Version 0.98.26
|
|
|
|
\b Reorganised files even better from 0.98.25alt
|
|
|
|
|
|
\S{cl-0.98.25alt} Version 0.98.25alt
|
|
|
|
\b Prettified the source tree. Moved files to more reasonable places.
|
|
|
|
\b Added findleak.pl script to misc/ directory.
|
|
|
|
\b Attempted to fix doc.
|
|
|
|
|
|
\S{cl-0.98.25} Version 0.98.25
|
|
|
|
\b Line continuation character \c{\\}.
|
|
|
|
\b Docs inadvertantly reverted - "dos packaging".
|
|
|
|
|
|
\S{cl-0.98.24p1} Version 0.98.24p1
|
|
|
|
\b FIXME: Someone, document this please.
|
|
|
|
|
|
\S{cl-0.98.24} Version 0.98.24
|
|
|
|
\b Documentation - Ndisasm doc added to Nasm.doc.
|
|
|
|
|
|
\S{cl-0.98.23} Version 0.98.23
|
|
|
|
\b Attempted to remove rdoff version1
|
|
|
|
\b Lino Mastrodomenico's patches to preproc.c (%$$ bug?).
|
|
|
|
|
|
\S{cl-0.98.22} Version 0.98.22
|
|
|
|
\b Update rdoff2 - attempt to remove v1.
|
|
|
|
|
|
\S{cl-0.98.21} Version 0.98.21
|
|
|
|
\b Optimization fixes.
|
|
|
|
|
|
\S{cl-0.98.20} Version 0.98.20
|
|
|
|
\b Optimization fixes.
|
|
|
|
|
|
\S{cl-0.98.19} Version 0.98.19
|
|
|
|
\b H. J. Lu's patch back out.
|
|
|
|
|
|
\S{cl-0.98.18} Version 0.98.18
|
|
|
|
\b Added ".rdata" to "-f win32".
|
|
|
|
|
|
\S{cl-0.98.17} Version 0.98.17
|
|
|
|
\b H. J. Lu's "bogus elf" patch. (Red Hat problem?)
|
|
|
|
|
|
\S{cl-0.98.16} Version 0.98.16
|
|
|
|
\b Fix whitespace before "[section ..." bug.
|
|
|
|
|
|
\S{cl-0.98.15} Version 0.98.15
|
|
|
|
\b Rdoff changes (?).
|
|
|
|
\b Fix fixes to memory leaks.
|
|
|
|
|
|
\S{cl-0.98.14} Version 0.98.14
|
|
|
|
\b Fix memory leaks.
|
|
|
|
|
|
\S{cl-0.98.13} Version 0.98.13
|
|
|
|
\b There was no 0.98.13
|
|
|
|
|
|
\S{cl-0.98.12} Version 0.98.12
|
|
|
|
\b Update optimization (new function of "-O1")
|
|
|
|
\b Changes to test/bintest.asm (?).
|
|
|
|
|
|
\S{cl-0.98.11} Version 0.98.11
|
|
|
|
\b Optimization changes.
|
|
|
|
\b Ndisasm fixed.
|
|
|
|
|
|
\S{cl-0.98.10} Version 0.98.10
|
|
|
|
\b There was no 0.98.10
|
|
|
|
|
|
\S{cl-0.98.09} Version 0.98.09
|
|
|
|
\b Add multiple sections support to "-f bin".
|
|
|
|
\b Changed GLOBAL_TEMP_BASE in outelf.c from 6 to 15.
|
|
|
|
\b Add "-v" as an alias to the "-r" switch.
|
|
|
|
\b Remove "#ifdef" from Tasm compatibility options.
|
|
|
|
\b Remove redundant size-overrides on "mov ds, ex", etc.
|
|
|
|
\b Fixes to SSE2, other insns.dat (?).
|
|
|
|
\b Enable uppercase "I" and "P" switches.
|
|
|
|
\b Case insinsitive "seg" and "wrt".
|
|
|
|
\b Update install.sh (?).
|
|
|
|
\b Allocate tokens in blocks.
|
|
|
|
\b Improve "invalid effective address" messages.
|
|
|
|
|
|
\S{cl-0.98.08} Version 0.98.08
|
|
|
|
\b Add "\c{%strlen}" and "\c{%substr}" macro operators
|
|
|
|
\b Fixed broken c16.mac.
|
|
|
|
\b Unterminated string error reported.
|
|
|
|
\b Fixed bugs as per 0.98bf
|
|
|
|
|
|
\S{cl-0.98.09b with John Coffman patches released 28-Oct-2001} Version 0.98.09b with John Coffman patches released 28-Oct-2001
|
|
|
|
Changes from 0.98.07 release to 98.09b as of 28-Oct-2001
|
|
|
|
\b More closely compatible with 0.98 when -O0 is implied
|
|
or specified. Not strictly identical, since backward
|
|
branches in range of short offsets are recognized, and signed
|
|
byte values with no explicit size specification will be
|
|
assembled as a single byte.
|
|
|
|
\b More forgiving with the PUSH instruction. 0.98 requires
|
|
a size to be specified always. 0.98.09b will imply the size
|
|
from the current BITS setting (16 or 32).
|
|
|
|
\b Changed definition of the optimization flag:
|
|
|
|
-O0 strict two-pass assembly, JMP and Jcc are
|
|
handled more like 0.98, except that back-
|
|
ward JMPs are short, if possible.
|
|
|
|
-O1 strict two-pass assembly, but forward
|
|
branches are assembled with code guaranteed
|
|
to reach; may produce larger code than
|
|
-O0, but will produce successful assembly
|
|
more often if branch offset sizes are not
|
|
specified.
|
|
|
|
-O2 multi-pass optimization, minimize branch
|
|
offsets; also will minimize signed immed-
|
|
iate bytes, overriding size specification.
|
|
|
|
-O3 like -O2, but more passes taken, if needed
|
|
|
|
|
|
\S{cl-0.98.07 released 01/28/01} Version 0.98.07 released 01/28/01
|
|
|
|
\b Added Stepane Denis' SSE2 instructions to a *working*
|
|
version of the code - some earlier versions were based on
|
|
broken code - sorry 'bout that. version "0.98.07"
|
|
|
|
|
|
01/28/01
|
|
|
|
|
|
\b Cosmetic modifications to nasm.c, nasm.h,
|
|
AUTHORS, MODIFIED
|
|
|
|
|
|
\S{cl-0.98.06f released 01/18/01} Version 0.98.06f released 01/18/01
|
|
|
|
|
|
\b - Add "metalbrain"s jecxz bug fix in insns.dat
|
|
- alter nasmdoc.src to match - version "0.98.06f"
|
|
|
|
|
|
\S{cl-0.98.06e released 01/09/01} Version 0.98.06e released 01/09/01
|
|
|
|
|
|
\b Removed the "outforms.h" file - it appears to be
|
|
someone's old backup of "outform.h". version "0.98.06e"
|
|
|
|
01/09/01
|
|
|
|
\b fbk - finally added the fix for the "multiple %includes bug",
|
|
known since 7/27/99 - reported originally (?) and sent to
|
|
us by Austin Lunnen - he reports that John Fine had a fix
|
|
within the day. Here it is...
|
|
|
|
\b Nelson Rush resigns from the group. Big thanks to Nelson for
|
|
his leadership and enthusiasm in getting these changes
|
|
incorporated into Nasm!
|
|
|
|
\b fbk - [list +], [list -] directives - ineptly implemented, should
|
|
be re-written or removed, perhaps.
|
|
|
|
\b Brian Raiter / fbk - "elfso bug" fix - applied to aoutb format
|
|
as well - testing might be desirable...
|
|
|
|
08/07/00
|
|
|
|
\b James Seter - -postfix, -prefix command line switches.
|
|
|
|
\b Yuri Zaporozhets - rdoff utility changes.
|
|
|
|
|
|
\S{cl-0.98p1} Version 0.98p1
|
|
|
|
\b GAS-like palign (Panos Minos)
|
|
|
|
\b FIXME: Someone, fill this in with details
|
|
|
|
|
|
\S{cl-0.98bf (bug-fixed)} Version 0.98bf (bug-fixed)
|
|
|
|
\b Fixed - elf and aoutb bug - shared libraries
|
|
- multiple "%include" bug in "-f obj"
|
|
- jcxz, jecxz bug
|
|
- unrecognized option bug in ndisasm
|
|
|
|
\S{cl-0.98.03 with John Coffman's changes released 27-Jul-2000} Version 0.98.03 with John Coffman's changes released 27-Jul-2000
|
|
|
|
\b Added signed byte optimizations for the 0x81/0x83 class
|
|
of instructions: ADC, ADD, AND, CMP, OR, SBB, SUB, XOR:
|
|
when used as 'ADD reg16,imm' or 'ADD reg32,imm.' Also
|
|
optimization of signed byte form of 'PUSH imm' and 'IMUL
|
|
reg,imm'/'IMUL reg,reg,imm.' No size specification is needed.
|
|
|
|
\b Added multi-pass JMP and Jcc offset optimization. Offsets
|
|
on forward references will preferentially use the short form,
|
|
without the need to code a specific size (short or near) for
|
|
the branch. Added instructions for 'Jcc label' to use the
|
|
form 'Jnotcc $+3/JMP label', in cases where a short offset
|
|
is out of bounds. If compiling for a 386 or higher CPU, then
|
|
the 386 form of Jcc will be used instead.
|
|
|
|
This feature is controlled by a new command-line switch: "O",
|
|
(upper case letter O). "-O0" reverts the assembler to no
|
|
extra optimization passes, "-O1" allows up to 5 extra passes,
|
|
and "-O2"(default), allows up to 10 extra optimization passes.
|
|
|
|
\b Added a new directive: 'cpu XXX', where XXX is any of:
|
|
8086, 186, 286, 386, 486, 586, pentium, 686, PPro, P2, P3 or
|
|
Katmai. All are case insensitive. All instructions will
|
|
be selected only if they apply to the selected cpu or lower.
|
|
Corrected a couple of bugs in cpu-dependence in 'insns.dat'.
|
|
|
|
\b Added to 'standard.mac', the "use16" and "use32" forms of
|
|
the "bits 16/32" directive. This is nothing new, just conforms
|
|
to a lot of other assemblers. (minor)
|
|
|
|
\b Changed label allocation from 320/32 (10000 labels @ 200K+)
|
|
to 32/37 (1000 labels); makes running under DOS much easier.
|
|
Since additional label space is allocated dynamically, this
|
|
should have no effect on large programs with lots of labels.
|
|
The 37 is a prime, believed to be better for hashing. (minor)
|
|
|
|
|
|
\S{cl-0.98.03} Version 0.98.03
|
|
|
|
"Integrated patchfile 0.98-0.98.01. I call this version 0.98.03 for
|
|
historical reasons: 0.98.02 was trashed." --John Coffman
|
|
<johninsd@san.rr.com>, 27-Jul-2000
|
|
|
|
\b Kendall Bennett's SciTech MGL changes
|
|
|
|
\b Note that you must define "TASM_COMPAT" at compile-time
|
|
to get the Tasm Ideal Mode compatibility.
|
|
|
|
\b All changes can be compiled in and out using the TASM_COMPAT macros,
|
|
and when compiled without TASM_COMPAT defined we get the exact same
|
|
binary as the unmodified 0.98 sources.
|
|
|
|
\b standard.mac, macros.c: Added macros to ignore TASM directives before
|
|
first include
|
|
|
|
\b nasm.h: Added extern declaration for tasm_compatible_mode
|
|
|
|
\b nasm.c: Added global variable tasm_compatible_mode
|
|
|
|
\b Added command line switch for TASM compatible mode (-t)
|
|
|
|
\b Changed version command line to reflect when compiled with TASM additions
|
|
|
|
\b Added response file processing to allow all arguments on a single
|
|
line (response file is @resp rather than -@resp for NASM format).
|
|
|
|
\b labels.c: Changes islocal() macro to support TASM style @@local labels.
|
|
|
|
\b Added islocalchar() macro to support TASM style @@local labels.
|
|
|
|
\b parser.c: Added support for TASM style memory references (ie: mov
|
|
[DWORD eax],10 rather than the NASM style mov DWORD [eax],10).
|
|
|
|
\b preproc.c: Added new directives, \c{%arg}, \c{%local}, \c{%stacksize} to directives
|
|
table
|
|
|
|
\b Added support for TASM style directives without a leading % symbol.
|
|
|
|
\b Integrated a block of changes from Andrew Zabolotny <bit@eltech.ru>:
|
|
|
|
\b A new keyword \c{%xdefine} and its case-insensitive counterpart \c{%ixdefine}.
|
|
They work almost the same way as \c{%define} and \c{%idefine} but expand
|
|
the definition immediately, not on the invocation. Something like a cross
|
|
between \c{%define} and \c{%assign}. The "x" suffix stands for "eXpand", so
|
|
"xdefine" can be deciphered as "expand-and-define". Thus you can do
|
|
things like this:
|
|
|
|
\c %assign ofs 0
|
|
\c
|
|
\c %macro arg 1
|
|
\c %xdefine %1 dword [esp+ofs]
|
|
\c %assign ofs ofs+4
|
|
\c %endmacro
|
|
|
|
\b Changed the place where the expansion of %$name macros are expanded.
|
|
Now they are converted into ..@ctxnum.name form when detokenizing, so
|
|
there are no quirks as before when using %$name arguments to macros,
|
|
in macros etc. For example:
|
|
|
|
\c %macro abc 1
|
|
\c %define %1 hello
|
|
\c %endm
|
|
\c
|
|
\c abc %$here
|
|
\c %$here
|
|
|
|
Now last line will be expanded into "hello" as expected. This also allows
|
|
for lots of goodies, a good example are extended "proc" macros included
|
|
in this archive.
|
|
|
|
\b Added a check for "cstk" in smacro_defined() before calling get_ctx() -
|
|
this allows for things like:
|
|
|
|
\c %ifdef %$abc
|
|
\c %endif
|
|
|
|
to work without warnings even in no context.
|
|
|
|
\b Added a check for "cstk" in %if*ctx and %elif*ctx directives -
|
|
this allows to use \c{%ifctx} without excessive warnings. If there is
|
|
no active context, \c{%ifctx} goes through "false" branch.
|
|
|
|
\b Removed "user error: " prefix with \c{%error} directive: it just clobbers the
|
|
output and has absolutely no functionality. Besides, this allows to write
|
|
macros that does not differ from built-in functions in any way.
|
|
|
|
\b Added expansion of string that is output by \c{%error} directive. Now you
|
|
can do things like:
|
|
|
|
\c %define hello(x) Hello, x!
|
|
\c
|
|
\c %define %$name andy
|
|
\c %error "hello(%$name)"
|
|
|
|
Same happened with \c{%include} directive.
|
|
|
|
\b Now all directives that expect an identifier will try to expand and
|
|
concatenate everything without whitespaces in between before usage.
|
|
For example, with "unfixed" nasm the commands
|
|
|
|
\c %define %$abc hello
|
|
\c %define __%$abc goodbye
|
|
\c __%$abc
|
|
|
|
would produce "incorrect" output: last line will expand to
|
|
|
|
\c hello goodbyehello
|
|
|
|
Not quite what you expected, eh? :-) The answer is that preprocessor
|
|
treats the \c{%define} construct as if it would be
|
|
|
|
\c %define __ %$abc goodbye
|
|
|
|
(note the white space between __ and %$abc). After my "fix" it
|
|
will "correctly" expand into
|
|
|
|
\c goodbye
|
|
|
|
as expected. Note that I use quotes around words "correct", "incorrect"
|
|
etc because this is rather a feature not a bug; however current behaviour
|
|
is more logical (and allows more advanced macro usage :-).
|
|
|
|
Same change was applied to:
|
|
\c{%push},\c{%macro},\c{%imacro},\c{%define},\c{%idefine},\c{%xdefine},\c{%ixdefine},
|
|
\c{%assign},\c{%iassign},\c{%undef}
|
|
|
|
\b A new directive [WARNING {+|-}warning-id] have been added. It works only
|
|
if the assembly phase is enabled (i.e. it doesn't work with nasm -e).
|
|
|
|
\b A new warning type: macro-selfref. By default this warning is disabled;
|
|
when enabled NASM warns when a macro self-references itself; for example
|
|
the following source:
|
|
|
|
\c [WARNING macro-selfref]
|
|
\c
|
|
\c %macro push 1-*
|
|
\c %rep %0
|
|
\c push %1
|
|
\c %rotate 1
|
|
\c %endrep
|
|
\c %endmacro
|
|
\c
|
|
\c push eax,ebx,ecx
|
|
|
|
will produce a warning, but if we remove the first line we won't see it
|
|
anymore (which is The Right Thing To Do {tm} IMHO since C preprocessor
|
|
eats such constructs without warnings at all).
|
|
|
|
\b Added a "error" routine to preprocessor which always will set ERR_PASS1
|
|
bit in severity_code. This removes annoying repeated errors on first
|
|
and second passes from preprocessor.
|
|
|
|
\b Added the %+ operator in single-line macros for concatenating two
|
|
identifiers. Usage example:
|
|
|
|
\c %define _myfunc _otherfunc
|
|
\c %define cextern(x) _ %+ x
|
|
\c cextern (myfunc)
|
|
|
|
After first expansion, third line will become "_myfunc". After this
|
|
expansion is performed again so it becomes "_otherunc".
|
|
|
|
\b Now if preprocessor is in a non-emitting state, no warning or error
|
|
will be emitted. Example:
|
|
|
|
\c %if 1
|
|
\c mov eax,ebx
|
|
\c %else
|
|
\c put anything you want between these two brackets,
|
|
\c even macro-parameter references %1 or local
|
|
\c labels %$zz or macro-local labels %%zz - no
|
|
\c warning will be emitted.
|
|
\c %endif
|
|
|
|
\b Context-local variables on expansion as a last resort are looked up
|
|
in outer contexts. For example, the following piece:
|
|
|
|
\c %push outer
|
|
\c %define %$a [esp]
|
|
\c
|
|
\c %push inner
|
|
\c %$a
|
|
\c %pop
|
|
\c %pop
|
|
|
|
will expand correctly the fourth line to [esp]; if we'll define another
|
|
%$a inside the "inner" context, it will take precedence over outer
|
|
definition. However, this modification has been applied only to
|
|
expand_smacro and not to smacro_define: as a consequence expansion
|
|
looks in outer contexts, but \c{%ifdef} won't look in outer contexts.
|
|
|
|
This behaviour is needed because we don't want nested contexts to
|
|
act on already defined local macros. Example:
|
|
|
|
\c %define %$arg1 [esp+4]
|
|
\c test eax,eax
|
|
\c if nz
|
|
\c mov eax,%$arg1
|
|
\c endif
|
|
|
|
In this example the "if" mmacro enters into the "if" context, so %$arg1
|
|
is not valid anymore inside "if". Of course it could be worked around
|
|
by using explicitely %$$arg1 but this is ugly IMHO.
|
|
|
|
\b Fixed memory leak in \c{%undef}. The origline wasn't freed before
|
|
exiting on success.
|
|
|
|
\b Fixed trap in preprocessor when line expanded to empty set of tokens.
|
|
This happens, for example, in the following case:
|
|
|
|
\c #define SOMETHING
|
|
\c SOMETHING
|
|
|
|
|
|
\S{cl-0.98} Version 0.98
|
|
|
|
All changes since NASM 0.98p3 have been produced by H. Peter Anvin <hpa@zytor.com>.
|
|
|
|
\b The documentation comment delimiter is \# not #.
|
|
|
|
\b Allow EQU definitions to refer to external labels; reported by
|
|
Pedro Gimeno.
|
|
|
|
\b Re-enable support for RDOFF v1; reported by Pedro Gimeno.
|
|
|
|
\b Updated License file per OK from Simon and Julian.
|
|
|
|
|
|
\S{cl-0.98p9} Version 0.98p9
|
|
|
|
\b Update documentation (although the instruction set reference will
|
|
have to wait; I don't want to hold up the 0.98 release for it.)
|
|
|
|
\b Verified that the NASM implementation of the PEXTRW and PMOVMSKB
|
|
instructions is correct. The encoding differs from what the Intel
|
|
manuals document, but the Pentium III behaviour matches NASM, not
|
|
the Intel manuals.
|
|
|
|
\b Fix handling of implicit sizes in PSHUFW and PINSRW, reported by
|
|
Stefan Hoffmeister.
|
|
|
|
\b Resurrect the -s option, which was removed when changing the
|
|
diagnostic output to stdout.
|
|
|
|
|
|
\S{cl-0.98p8} Version 0.98p8
|
|
|
|
\b Fix for "DB" when NASM is running on a bigendian machine.
|
|
|
|
\b Invoke insns.pl once for each output script, making Makefile.in
|
|
legal for "make -j".
|
|
|
|
\b Improve the Unix configure-based makefiles to make package
|
|
creation easier.
|
|
|
|
\b Included an RPM .spec file for building RPM (RedHat Package Manager)
|
|
packages on Linux or Unix systems.
|
|
|
|
\b Fix Makefile dependency problems.
|
|
|
|
\b Change src/rdsrc.pl to include sectioning information in info
|
|
output; required for install-info to work.
|
|
|
|
\b Updated the RDOFF distribution to version 2 from Jules; minor
|
|
massaging to make it compile in my environment.
|
|
|
|
\b Split doc files that can be built by anyone with a Perl interpreter off
|
|
into a separate archive.
|
|
|
|
\b "Dress rehearsal" release!
|
|
|
|
|
|
\S{cl-0.98p7} Version 0.98p7
|
|
|
|
\b Fixed opcodes with a third byte-sized immediate argument to not
|
|
complain if given "byte" on the immediate.
|
|
|
|
\b Allow \c{%undef} to remove single-line macros with arguments. This
|
|
matches the behaviour of #undef in the C preprocessor.
|
|
|
|
\b Allow -d, -u, -i and -p to be specified as -D, -U, -I and -P for
|
|
compatibility with most C compilers and preprocessors. This allows
|
|
Makefile options to be shared between cc and nasm, for example.
|
|
|
|
\b Minor cleanups.
|
|
|
|
\b Went through the list of Katmai instructions and hopefully fixed the
|
|
(rather few) mistakes in it.
|
|
|
|
\b (Hopefully) fixed a number of disassembler bugs related to ambiguous
|
|
instructions (disambiguated by -p) and SSE instructions with REP.
|
|
|
|
\b Fix for bug reported by Mark Junger: "call dword 0x12345678" should
|
|
work and may add an OSP (affected CALL, JMP, Jcc).
|
|
|
|
\b Fix for environments when "stderr" isn't a compile-time constant.
|
|
|
|
|
|
\S{cl-0.98p6} Version 0.98p6
|
|
|
|
|
|
\b Took officially over coordination of the 0.98 release; so drop
|
|
the p3.x notation. Skipped p4 and p5 to avoid confusion with John
|
|
Fine's J4 and J5 releases.
|
|
|
|
\b Update the documentation; however, it still doesn't include
|
|
documentation for the various new instructions. I somehow wonder if
|
|
it makes sense to have an instruction set reference in the assembler
|
|
manual when Intel et al have PDF versions of their manuals online.
|
|
|
|
\b Recognize "idt" or "centaur" for the -p option to ndisasm.
|
|
|
|
\b Changed error messages back to stderr where they belong, but add an
|
|
-E option to redirect them elsewhere (the DOS shell cannot redirect
|
|
stderr.)
|
|
|
|
\b -M option to generate Makefile dependencies (based on code from Alex
|
|
Verstak.)
|
|
|
|
\b \c{%undef} preprocessor directive, and -u option, that undefines a
|
|
single-line macro.
|
|
|
|
\b OS/2 Makefile (Mkfiles/Makefile.os2) for Borland under OS/2; from
|
|
Chuck Crayne.
|
|
|
|
\b Various minor bugfixes (reported by):
|
|
- Dangling \c{%s} in preproc.c (Martin Junker)
|
|
|
|
\b THERE ARE KNOWN BUGS IN SSE AND THE OTHER KATMAI INSTRUCTIONS. I am
|
|
on a trip and didn't bring the Katmai instruction reference, so I
|
|
can't work on them right now.
|
|
|
|
\b Updated the License file per agreement with Simon and Jules to
|
|
include a GPL distribution clause.
|
|
|
|
|
|
\S{cl-0.98p3.7} Version 0.98p3.7
|
|
|
|
\b (Hopefully) fixed the canned Makefiles to include the outrdf2 and
|
|
zoutieee modules.
|
|
|
|
\b Renamed changes.asm to changed.asm.
|
|
|
|
|
|
\S{cl-0.98p3.6} Version 0.98p3.6
|
|
|
|
\b Fixed a bunch of instructions that were added in 0.98p3.5 which had
|
|
memory operands, and the address-size prefix was missing from the
|
|
instruction pattern.
|
|
|
|
|
|
\S{cl-0.98p3.5} Version 0.98p3.5
|
|
|
|
\b Merged in changes from John S. Fine's 0.98-J5 release. John's based
|
|
0.98-J5 on my 0.98p3.3 release; this merges the changes.
|
|
|
|
\b Expanded the instructions flag field to a long so we can fit more
|
|
flags; mark SSE (KNI) and AMD or Katmai-specific instructions as
|
|
such.
|
|
|
|
\b Fix the "PRIV" flag on a bunch of instructions, and create new
|
|
"PROT" flag for protected-mode-only instructions (orthogonal to if
|
|
the instruction is privileged!) and new "SMM" flag for SMM-only
|
|
instructions.
|
|
|
|
\b Added AMD-only SYSCALL and SYSRET instructions.
|
|
|
|
\b Make SSE actually work, and add new Katmai MMX instructions.
|
|
|
|
\b Added a -p (preferred vendor) option to ndisasm so that it can
|
|
distinguish e.g. Cyrix opcodes also used in SSE. For example:
|
|
|
|
\c ndisasm -p cyrix aliased.bin
|
|
\c 00000000 670F514310 paddsiw mm0,[ebx+0x10]
|
|
\c 00000005 670F514320 paddsiw mm0,[ebx+0x20]
|
|
\c ndisasm -p intel aliased.bin
|
|
\c 00000000 670F514310 sqrtps xmm0,[ebx+0x10]
|
|
\c 00000005 670F514320 sqrtps xmm0,[ebx+0x20]
|
|
|
|
\b Added a bunch of Cyrix-specific instructions.
|
|
|
|
|
|
\S{cl-0.98p3.4} Version 0.98p3.4
|
|
|
|
\b Made at least an attempt to modify all the additional Makefiles (in
|
|
the Mkfiles directory). I can't test it, but this was the best I
|
|
could do.
|
|
|
|
\b DOS DJGPP+"Opus Make" Makefile from John S. Fine.
|
|
|
|
\b changes.asm changes from John S. Fine.
|
|
|
|
|
|
\S{cl-0.98p3.3} Version 0.98p3.3
|
|
|
|
\b Patch from Conan Brink to allow nesting of \c{%rep} directives.
|
|
|
|
\b If we're going to allow INT01 as an alias for INT1/ICEBP (one of
|
|
Jules 0.98p3 changes), then we should allow INT03 as an alias for INT3
|
|
as well.
|
|
|
|
\b Updated changes.asm to include the latest changes.
|
|
|
|
\b Tried to clean up the <CR>s that had snuck in from a DOS/Windows
|
|
environment into my Unix environment, and try to make sure than
|
|
DOS/Windows users get them back.
|
|
|
|
\b We would silently generate broken tools if insns.dat wasn't sorted
|
|
properly. Change insns.pl so that the order doesn't matter.
|
|
|
|
\b Fix bug in insns.pl (introduced by me) which would cause conditional
|
|
instructions to have an extra "cc" in disassembly, e.g. "jnz"
|
|
disassembled as "jccnz".
|
|
|
|
|
|
\S{cl-0.98p3.2} Version 0.98p3.2
|
|
|
|
\b Merged in John S. Fine's changes from his 0.98-J4 prerelease; see
|
|
http://www.csoft.net/cz/johnfine/
|
|
|
|
\b Changed previous "spotless" Makefile target (appropriate for distribution)
|
|
to "distclean", and added "cleaner" target which is same as "clean"
|
|
except deletes files generated by Perl scripts; "spotless" is union.
|
|
|
|
\b Removed BASIC programs from distribution. Get a Perl interpreter
|
|
instead (see below.)
|
|
|
|
\b Calling this "pre-release 3.2" rather than "p3-hpa2" because of
|
|
John's contributions.
|
|
|
|
\b Actually link in the IEEE output format (zoutieee.c); fix a bunch of
|
|
compiler warnings in that file. Note I don't know what IEEE output
|
|
is supposed to look like, so these changes were made "blind".
|
|
|
|
|
|
\S{cl-0.98p3-hpa} Version 0.98p3-hpa
|
|
|
|
\b Merged nasm098p3.zip with nasm-0.97.tar.gz to create a fully
|
|
buildable version for Unix systems (Makefile.in updates, etc.)
|
|
|
|
\b Changed insns.pl to create the instruction tables in nasm.h and
|
|
names.c, so that a new instruction can be added by adding it *only*
|
|
to insns.dat.
|
|
|
|
\b Added the following new instructions: SYSENTER, SYSEXIT, FXSAVE,
|
|
FXRSTOR, UD1, UD2 (the latter two are two opcodes that Intel
|
|
guarantee will never be used; one of them is documented as UD2 in
|
|
Intel documentation, the other one just as "Undefined Opcode" --
|
|
calling it UD1 seemed to make sense.)
|
|
|
|
\b MAX_SYMBOL was defined to be 9, but LOADALL286 and LOADALL386 are 10
|
|
characters long. Now MAX_SYMBOL is derived from insns.dat.
|
|
|
|
\b A note on the BASIC programs included: forget them. insns.bas is
|
|
already out of date. Get yourself a Perl interpreter for your
|
|
platform of choice at
|
|
\W{http://www.cpan.org/ports/index.html}{http://www.cpan.org/ports/index.html}.
|
|
|
|
|
|
\S{cl-0.98p3} Version 0.98 pre-release 3
|
|
|
|
\b added response file support, improved command line handling, new layout
|
|
help screen
|
|
|
|
\b fixed limit checking bug, 'OUT byte nn, reg' bug, and a couple of rdoff
|
|
related bugs, updated Wishlist; 0.98 Prerelease 3.
|
|
|
|
|
|
\S{cl-0.98p2} Version 0.98 pre-release 2
|
|
|
|
\b fixed bug in outcoff.c to do with truncating section names longer
|
|
than 8 characters, referencing beyond end of string; 0.98 pre-release 2
|
|
|
|
|
|
\S{cl-0.98p1} Version 0.98 pre-release 1
|
|
|
|
\b Fixed a bug whereby STRUC didn't work at all in RDF.
|
|
|
|
\b Fixed a problem with group specification in PUBDEFs in OBJ.
|
|
|
|
\b Improved ease of adding new output formats. Contribution due to
|
|
Fox Cutter.
|
|
|
|
\b Fixed a bug in relocations in the `bin' format: was showing up when
|
|
a relocatable reference crossed an 8192-byte boundary in any output
|
|
section.
|
|
|
|
\b Fixed a bug in local labels: local-label lookups were inconsistent
|
|
between passes one and two if an EQU occurred between the definition
|
|
of a global label and the subsequent use of a local label local to
|
|
that global.
|
|
|
|
\b Fixed a seg-fault in the preprocessor (again) which happened when
|
|
you use a blank line as the first line of a multi-line macro
|
|
definition and then defined a label on the same line as a call to
|
|
that macro.
|
|
|
|
\b Fixed a stale-pointer bug in the handling of the NASM environment
|
|
variable. Thanks to Thomas McWilliams.
|
|
|
|
\b ELF had a hard limit on the number of sections which caused
|
|
segfaults when transgressed. Fixed.
|
|
|
|
\b Added ability for ndisasm to read from stdin by using `-' as the
|
|
filename.
|
|
|
|
\b ndisasm wasn't outputting the TO keyword. Fixed.
|
|
|
|
\b Fixed error cascade on bogus expression in \c{%if} - an error in
|
|
evaluation was causing the entire \c{%if} to be discarded, thus creating
|
|
trouble later when the \c{%else} or \c{%endif} was encountered.
|
|
|
|
\b Forward reference tracking was instruction-granular not operand-
|
|
granular, which was causing 286-specific code to be generated
|
|
needlessly on code of the form `shr word [forwardref],1'. Thanks to
|
|
Jim Hague for sending a patch.
|
|
|
|
\b All messages now appear on stdout, as sending them to stderr serves
|
|
no useful purpose other than to make redirection difficult.
|
|
|
|
\b Fixed the problem with EQUs pointing to an external symbol - this
|
|
now generates an error message.
|
|
|
|
\b Allowed multiple size prefixes to an operand, of which only the first
|
|
is taken into account.
|
|
|
|
\b Incorporated John Fine's changes, including fixes of a large number
|
|
of preprocessor bugs, some small problems in OBJ, and a reworking of
|
|
label handling to define labels before their line is assembled, rather
|
|
than after.
|
|
|
|
\b Reformatted a lot of the source code to be more readable. Included
|
|
'coding.txt' as a guideline for how to format code for contributors.
|
|
|
|
\b Stopped nested \c{%reps} causing a panic - they now cause a slightly more
|
|
friendly error message instead.
|
|
|
|
\b Fixed floating point constant problems (patch by Pedro Gimeno)
|
|
|
|
\b Fixed the return value of insn_size() not being checked for -1, indicating
|
|
an error.
|
|
|
|
\b Incorporated 3Dnow! instructions.
|
|
|
|
\b Fixed the 'mov eax, eax + ebx' bug.
|
|
|
|
\b Fixed the GLOBAL EQU bug in ELF. Released developers release 3.
|
|
|
|
\b Incorporated John Fine's command line parsing changes
|
|
|
|
\b Incorporated David Lindauer's OMF debug support
|
|
|
|
\b Made changes for LCC 4.0 support (\c{__NASM_CDecl__}, removed register size
|
|
specification warning when sizes agree).
|
|
|
|
|
|
\H{cl-0.9x} NASM 0.9 Series
|
|
|
|
Revisions before 0.98.
|
|
|
|
|
|
\S{cl-0.97} Version 0.97 released December 1997
|
|
|
|
\b This was entirely a bug-fix release to 0.96, which seems to have got
|
|
cursed. Silly me.
|
|
|
|
\b Fixed stupid mistake in OBJ which caused `MOV EAX,<constant>' to
|
|
fail. Caused by an error in the `MOV EAX,<segment>' support.
|
|
|
|
\b ndisasm hung at EOF when compiled with lcc on Linux because lcc on
|
|
Linux somehow breaks feof(). ndisasm now does not rely on feof().
|
|
|
|
\b A heading in the documentation was missing due to a markup error in
|
|
the indexing. Fixed.
|
|
|
|
\b Fixed failure to update all pointers on realloc() within extended-
|
|
operand code in parser.c. Was causing wrong behaviour and seg faults
|
|
on lines such as `dd 0.0,0.0,0.0,0.0,...'
|
|
|
|
\b Fixed a subtle preprocessor bug whereby invoking one multi-line
|
|
macro on the first line of the expansion of another, when the second
|
|
had been invoked with a label defined before it, didn't expand the
|
|
inner macro.
|
|
|
|
\b Added internal.doc back in to the distribution archives - it was
|
|
missing in 0.96 *blush*
|
|
|
|
\b Fixed bug causing 0.96 to be unable to assemble its own test files,
|
|
specifically objtest.asm. *blush again*
|
|
|
|
\b Fixed seg-faults and bogus error messages caused by mismatching
|
|
\c{%rep} and \c{%endrep} within multi-line macro definitions.
|
|
|
|
\b Fixed a problem with buffer overrun in OBJ, which was causing
|
|
corruption at ends of long PUBDEF records.
|
|
|
|
\b Separated DOS archives into main-program and documentation to reduce
|
|
download size.
|
|
|
|
|
|
\S{cl-0.96} Version 0.96 released November 1997
|
|
|
|
\b Fixed a bug whereby, if `nasm sourcefile' would cause a filename
|
|
collision warning and put output into `nasm.out', then `nasm
|
|
sourcefile -o outputfile' still gave the warning even though the
|
|
`-o' was honoured.
|
|
Fixed name pollution under Digital UNIX: one of its header files
|
|
defined R_SP, which broke the enum in nasm.h.
|
|
|
|
\b Fixed minor instruction table problems: FUCOM and FUCOMP didn't have
|
|
two-operand forms; NDISASM didn't recognise the longer register
|
|
forms of PUSH and POP (eg FF F3 for PUSH BX); TEST mem,imm32 was
|
|
flagged as undocumented; the 32-bit forms of CMOV had 16-bit operand
|
|
size prefixes; `AAD imm' and `AAM imm' are no longer flagged as
|
|
undocumented because the Intel Architecture reference documents
|
|
them.
|
|
|
|
\b Fixed a problem with the local-label mechanism, whereby strange
|
|
types of symbol (EQUs, auto-defined OBJ segment base symbols)
|
|
interfered with the `previous global label' value and screwed up
|
|
local labels.
|
|
|
|
\b Fixed a bug whereby the stub preprocessor didn't communicate with
|
|
the listing file generator, so that the -a and -l options in
|
|
conjunction would produce a useless listing file.
|
|
|
|
\b Merged `os2' object file format back into `obj', after discovering
|
|
that `obj' _also_ shouldn't have a link pass separator in a module
|
|
containing a non-trivial MODEND. Flat segments are now declared
|
|
using the FLAT attribute. `os2' is no longer a valid object format
|
|
name: use `obj'.
|
|
|
|
\b Removed the fixed-size temporary storage in the evaluator. Very very
|
|
long expressions (like `mov ax,1+1+1+1+...' for two hundred 1s or
|
|
so) should now no longer crash NASM.
|
|
|
|
\b Fixed a bug involving segfaults on disassembly of MMX instructions,
|
|
by changing the meaning of one of the operand-type flags in nasm.h.
|
|
This may cause other apparently unrelated MMX problems; it needs to
|
|
be tested thoroughly.
|
|
|
|
\b Fixed some buffer overrun problems with large OBJ output files.
|
|
Thanks to DJ Delorie for the bug report and fix.
|
|
|
|
\b Made preprocess-only mode actually listen to the \c{%line} markers as it
|
|
prints them, so that it can report errors more sanely.
|
|
|
|
\b Re-designed the evaluator to keep more sensible track of expressions
|
|
involving forward references: can now cope with previously-nightmare
|
|
situations such as:
|
|
|
|
\c mov ax,foo | bar
|
|
\c foo equ 1
|
|
\c bar equ 2
|
|
|
|
\b Added the ALIGN and ALIGNB standard macros.
|
|
|
|
\b Added PIC support in ELF: use of WRT to obtain the four extra
|
|
relocation types needed.
|
|
|
|
\b Added the ability for output file formats to define their own
|
|
extensions to the GLOBAL, COMMON and EXTERN directives.
|
|
|
|
\b Implemented common-variable alignment, and global-symbol type and
|
|
size declarations, in ELF.
|
|
|
|
\b Implemented NEAR and FAR keywords for common variables, plus
|
|
far-common element size specification, in OBJ.
|
|
|
|
\b Added a feature whereby EXTERNs and COMMONs in OBJ can be given a
|
|
default WRT specification (either a segment or a group).
|
|
|
|
\b Transformed the Unix NASM archive into an auto-configuring package.
|
|
|
|
\b Added a sanity-check for people applying SEG to things which are
|
|
already segment bases: this previously went unnoticed by the SEG
|
|
processing and caused OBJ-driver panics later.
|
|
|
|
\b Added the ability, in OBJ format, to deal with `MOV EAX,<segment>'
|
|
type references: OBJ doesn't directly support dword-size segment
|
|
base fixups, but as long as the low two bytes of the constant term
|
|
are zero, a word-size fixup can be generated instead and it will
|
|
work.
|
|
|
|
\b Added the ability to specify sections' alignment requirements in
|
|
Win32 object files and pure binary files.
|
|
|
|
\b Added preprocess-time expression evaluation: the \c{%assign} (and
|
|
\c{%iassign}) directive and the bare \c{%if} (and \c{%elif}) conditional. Added
|
|
relational operators to the evaluator, for use only in \c{%if}
|
|
constructs: the standard relationals = < > <= >= <> (and C-like
|
|
synonyms == and !=) plus low-precedence logical operators &&, ^^ and
|
|
||.
|
|
|
|
\b Added a preprocessor repeat construct: \c{%rep} / \c{%exitrep} / \c{%endrep}.
|
|
|
|
\b Added the __FILE__ and __LINE__ standard macros.
|
|
|
|
\b Added a sanity check for number constants being greater than
|
|
0xFFFFFFFF. The warning can be disabled.
|
|
|
|
\b Added the %0 token whereby a variadic multi-line macro can tell how
|
|
many parameters it's been given in a specific invocation.
|
|
|
|
\b Added \c{%rotate}, allowing multi-line macro parameters to be cycled.
|
|
|
|
\b Added the `*' option for the maximum parameter count on multi-line
|
|
macros, allowing them to take arbitrarily many parameters.
|
|
|
|
\b Added the ability for the user-level forms of EXTERN, GLOBAL and
|
|
COMMON to take more than one argument.
|
|
|
|
\b Added the IMPORT and EXPORT directives in OBJ format, to deal with
|
|
Windows DLLs.
|
|
|
|
\b Added some more preprocessor \c{%if} constructs: \c{%ifidn} / \c{%ifidni} (exact
|
|
textual identity), and \c{%ifid} / \c{%ifnum} / \c{%ifstr} (token type testing).
|
|
|
|
\b Added the ability to distinguish SHL AX,1 (the 8086 version) from
|
|
SHL AX,BYTE 1 (the 286-and-upwards version whose constant happens to
|
|
be 1).
|
|
|
|
\b Added NetBSD/FreeBSD/OpenBSD's variant of a.out format, complete
|
|
with PIC shared library features.
|
|
|
|
\b Changed NASM's idiosyncratic handling of FCLEX, FDISI, FENI, FINIT,
|
|
FSAVE, FSTCW, FSTENV, and FSTSW to bring it into line with the
|
|
otherwise accepted standard. The previous behaviour, though it was a
|
|
deliberate feature, was a deliberate feature based on a
|
|
misunderstanding. Apologies for the inconvenience.
|
|
|
|
\b Improved the flexibility of ABSOLUTE: you can now give it an
|
|
expression rather than being restricted to a constant, and it can
|
|
take relocatable arguments as well.
|
|
|
|
\b Added the ability for a variable to be declared as EXTERN multiple
|
|
times, and the subsequent definitions are just ignored.
|
|
|
|
\b We now allow instruction prefixes (CS, DS, LOCK, REPZ etc) to be
|
|
alone on a line (without a following instruction).
|
|
|
|
\b Improved sanity checks on whether the arguments to EXTERN, GLOBAL
|
|
and COMMON are valid identifiers.
|
|
|
|
\b Added misc/exebin.mac to allow direct generation of .EXE files by
|
|
hacking up an EXE header using DB and DW; also added test/binexe.asm
|
|
to demonstrate the use of this. Thanks to Yann Guidon for
|
|
contributing the EXE header code.
|
|
|
|
\b ndisasm forgot to check whether the input file had been successfully
|
|
opened. Now it does. Doh!
|
|
|
|
\b Added the Cyrix extensions to the MMX instruction set.
|
|
|
|
\b Added a hinting mechanism to allow [EAX+EBX] and [EBX+EAX] to be
|
|
assembled differently. This is important since [ESI+EBP] and
|
|
[EBP+ESI] have different default base segment registers.
|
|
|
|
\b Added support for the PharLap OMF extension for 4096-byte segment
|
|
alignment.
|
|
|
|
|
|
\S{cl-0.95 released July 1997} Version 0.95 released July 1997
|
|
|
|
\b Fixed yet another ELF bug. This one manifested if the user relied on
|
|
the default segment, and attempted to define global symbols without
|
|
first explicitly declaring the target segment.
|
|
|
|
\b Added makefiles (for NASM and the RDF tools) to build Win32 console
|
|
apps under Symantec C++. Donated by Mark Junker.
|
|
|
|
\b Added `macros.bas' and `insns.bas', QBasic versions of the Perl
|
|
scripts that convert `standard.mac' to `macros.c' and convert
|
|
`insns.dat' to `insnsa.c' and `insnsd.c'. Also thanks to Mark
|
|
Junker.
|
|
|
|
\b Changed the diassembled forms of the conditional instructions so
|
|
that JB is now emitted as JC, and other similar changes. Suggested
|
|
list by Ulrich Doewich.
|
|
|
|
\b Added `@' to the list of valid characters to begin an identifier
|
|
with.
|
|
|
|
\b Documentary changes, notably the addition of the `Common Problems'
|
|
section in nasm.doc.
|
|
|
|
\b Fixed a bug relating to 32-bit PC-relative fixups in OBJ.
|
|
|
|
\b Fixed a bug in perm_copy() in labels.c which was causing exceptions
|
|
in cleanup_labels() on some systems.
|
|
|
|
\b Positivity sanity check in TIMES argument changed from a warning to
|
|
an error following a further complaint.
|
|
|
|
\b Changed the acceptable limits on byte and word operands to allow
|
|
things like `~10111001b' to work.
|
|
|
|
\b Fixed a major problem in the preprocessor which caused seg-faults if
|
|
macro definitions contained blank lines or comment-only lines.
|
|
|
|
\b Fixed inadequate error checking on the commas separating the
|
|
arguments to `db', `dw' etc.
|
|
|
|
\b Fixed a crippling bug in the handling of macros with operand counts
|
|
defined with a `+' modifier.
|
|
|
|
\b Fixed a bug whereby object file formats which stored the input file
|
|
name in the output file (such as OBJ and COFF) weren't doing so
|
|
correctly when the output file name was specified on the command
|
|
line.
|
|
|
|
\b Removed [INC] and [INCLUDE] support for good, since they were
|
|
obsolete anyway.
|
|
|
|
\b Fixed a bug in OBJ which caused all fixups to be output in 16-bit
|
|
(old-format) FIXUPP records, rather than putting the 32-bit ones in
|
|
FIXUPP32 (new-format) records.
|
|
|
|
\b Added, tentatively, OS/2 object file support (as a minor variant on
|
|
OBJ).
|
|
|
|
\b Updates to Fox Cutter's Borland C makefile, Makefile.bc2.
|
|
|
|
\b Removed a spurious second fclose() on the output file.
|
|
|
|
\b Added the `-s' command line option to redirect all messages which
|
|
would go to stderr (errors, help text) to stdout instead.
|
|
|
|
\b Added the `-w' command line option to selectively suppress some
|
|
classes of assembly warning messages.
|
|
|
|
\b Added the `-p' pre-include and `-d' pre-define command-line options.
|
|
|
|
\b Added an include file search path: the `-i' command line option.
|
|
|
|
\b Fixed a silly little preprocessor bug whereby starting a line with a
|
|
`%!' environment-variable reference caused an `unknown directive'
|
|
error.
|
|
|
|
\b Added the long-awaited listing file support: the `-l' command line
|
|
option.
|
|
|
|
\b Fixed a problem with OBJ format whereby, in the absence of any
|
|
explicit segment definition, non-global symbols declared in the
|
|
implicit default segment generated spurious EXTDEF records in the
|
|
output.
|
|
|
|
\b Added the NASM environment variable.
|
|
|
|
\b From this version forward, Win32 console-mode binaries will be
|
|
included in the DOS distribution in addition to the 16-bit binaries.
|
|
Added Makefile.vc for this purpose.
|
|
|
|
\b Added `return 0;' to test/objlink.c to prevent compiler warnings.
|
|
|
|
\b Added the __NASM_MAJOR__ and __NASM_MINOR__ standard defines.
|
|
|
|
\b Added an alternative memory-reference syntax in which prefixing an
|
|
operand with `&' is equivalent to enclosing it in square brackets,
|
|
at the request of Fox Cutter.
|
|
|
|
\b Errors in pass two now cause the program to return a non-zero error
|
|
code, which they didn't before.
|
|
|
|
\b Fixed the single-line macro cycle detection, which didn't work at
|
|
all on macros with no parameters (caused an infinite loop). Also
|
|
changed the behaviour of single-line macro cycle detection to work
|
|
like cpp, so that macros like `extrn' as given in the documentation
|
|
can be implemented.
|
|
|
|
\b Fixed the implementation of WRT, which was too restrictive in that
|
|
you couldn't do `mov ax,[di+abc wrt dgroup]' because (di+abc) wasn't
|
|
a relocatable reference.
|
|
|
|
|
|
\S{cl-0.94 released April 1997} Version 0.94 released April 1997
|
|
|
|
|
|
\b Major item: added the macro processor.
|
|
|
|
\b Added undocumented instructions SMI, IBTS, XBTS and LOADALL286. Also
|
|
reorganised CMPXCHG instruction into early-486 and Pentium forms.
|
|
Thanks to Thobias Jones for the information.
|
|
|
|
\b Fixed two more stupid bugs in ELF, which were causing `ld' to
|
|
continue to seg-fault in a lot of non-trivial cases.
|
|
|
|
\b Fixed a seg-fault in the label manager.
|
|
|
|
\b Stopped FBLD and FBSTP from _requiring_ the TWORD keyword, which is
|
|
the only option for BCD loads/stores in any case.
|
|
|
|
\b Ensured FLDCW, FSTCW and FSTSW can cope with the WORD keyword, if
|
|
anyone bothers to provide it. Previously they complained unless no
|
|
keyword at all was present.
|
|
|
|
\b Some forms of FDIV/FDIVR and FSUB/FSUBR were still inverted: a
|
|
vestige of a bug that I thought had been fixed in 0.92. This was
|
|
fixed, hopefully for good this time...
|
|
|
|
\b Another minor phase error (insofar as a phase error can _ever_ be
|
|
minor) fixed, this one occurring in code of the form
|
|
|
|
\c rol ax,forward_reference
|
|
\c forward_reference equ 1
|
|
|
|
\b The number supplied to TIMES is now sanity-checked for positivity,
|
|
and also may be greater than 64K (which previously didn't work on
|
|
16-bit systems).
|
|
|
|
\b Added Watcom C makefiles, and misc/pmw.bat, donated by Dominik Behr.
|
|
|
|
\b Added the INCBIN pseudo-opcode.
|
|
|
|
\b Due to the advent of the preprocessor, the [INCLUDE] and [INC]
|
|
directives have become obsolete. They are still supported in this
|
|
version, with a warning, but won't be in the next.
|
|
|
|
\b Fixed a bug in OBJ format, which caused incorrect object records to
|
|
be output when absolute labels were made global.
|
|
|
|
\b Updates to RDOFF subdirectory, and changes to outrdf.c.
|
|
|
|
|
|
\S{cl-0.93 released January 1997} Version 0.93 released January 1997
|
|
|
|
This release went out in a great hurry after semi-crippling bugs
|
|
were found in 0.92.
|
|
|
|
\b Really \e{did} fix the stack overflows this time. *blush*
|
|
|
|
\b Had problems with EA instruction sizes changing between passes, when
|
|
an offset contained a forward reference and so 4 bytes were
|
|
allocated for the offset in pass one; by pass two the symbol had
|
|
been defined and happened to be a small absolute value, so only 1
|
|
byte got allocated, causing instruction size mismatch between passes
|
|
and hence incorrect address calculations. Fixed.
|
|
|
|
\b Stupid bug in the revised ELF section generation fixed (associated
|
|
string-table section for .symtab was hard-coded as 7, even when this
|
|
didn't fit with the real section table). Was causing `ld' to
|
|
seg-fault under Linux.
|
|
|
|
\b Included a new Borland C makefile, Makefile.bc2, donated by Fox
|
|
Cutter <lmb@comtch.iea.com>.
|
|
|
|
|
|
\S{cl-0.92 released January 1997} Version 0.92 released January 1997
|
|
|
|
\b The FDIVP/FDIVRP and FSUBP/FSUBRP pairs had been inverted: this was
|
|
fixed. This also affected the LCC driver.
|
|
|
|
\b Fixed a bug regarding 32-bit effective addresses of the form
|
|
\c{[other_register+ESP]}.
|
|
|
|
\b Documentary changes, notably documentation of the fact that Borland
|
|
Win32 compilers use `obj' rather than `win32' object format.
|
|
|
|
\b Fixed the COMENT record in OBJ files, which was formatted
|
|
incorrectly.
|
|
|
|
\b Fixed a bug causing segfaults in large RDF files.
|
|
|
|
\b OBJ format now strips initial periods from segment and group
|
|
definitions, in order to avoid complications with the local label
|
|
syntax.
|
|
|
|
\b Fixed a bug in disassembling far calls and jumps in NDISASM.
|
|
|
|
\b Added support for user-defined sections in COFF and ELF files.
|
|
|
|
\b Compiled the DOS binaries with a sensible amount of stack, to
|
|
prevent stack overflows on any arithmetic expression containing
|
|
parentheses.
|
|
|
|
\b Fixed a bug in handling of files that do not terminate in a newline.
|
|
|
|
|
|
\S{cl-0.91 released November 1996} Version 0.91 released November 1996
|
|
|
|
\b Loads of bug fixes.
|
|
|
|
\b Support for RDF added.
|
|
|
|
\b Support for DBG debugging format added.
|
|
|
|
\b Support for 32-bit extensions to Microsoft OBJ format added.
|
|
|
|
\b Revised for Borland C: some variable names changed, makefile added.
|
|
|
|
\b LCC support revised to actually work.
|
|
|
|
\b JMP/CALL NEAR/FAR notation added.
|
|
|
|
\b `a16', `o16', `a32' and `o32' prefixes added.
|
|
|
|
\b Range checking on short jumps implemented.
|
|
|
|
\b MMX instruction support added.
|
|
|
|
\b Negative floating point constant support added.
|
|
|
|
\b Memory handling improved to bypass 64K barrier under DOS.
|
|
|
|
\b \c{$} prefix to force treatment of reserved words as identifiers added.
|
|
|
|
\b Default-size mechanism for object formats added.
|
|
|
|
\b Compile-time configurability added.
|
|
|
|
\b \c{#}, \c{@}, \c{~} and c\{?} are now valid characters in labels.
|
|
|
|
\b \c{-e} and \c{-k} options in NDISASM added.
|
|
|
|
|
|
\S{cl-0.90 released October 1996} Version 0.90 released October 1996
|
|
|
|
First release version. First support for object file output. Other
|
|
changes from previous version (0.3x) too numerous to document.
|