a) Fix a number of missing instances of DZ and ZWORD.
b) NASM would crash if TIMES was used on an instruction which varies
in size, e.g. JMP. Fix this by moving the handling of TIMES at a
higher level, so we generate the instruction "de novo" for each
iteration. The exception is INCBIN, so we can avoid reading the
included file over and over.
c) When using the RESx instructions, just fold TIMES into the reserved
space size; there is absolutely no point to iterate over it.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
The legacy output doesn't distinguish between segments and other
addresses, so we need to force the offset to zero before passing it
down to the output layer.
This addresses BR 3392406.
Reported-by: <rugxulo@gmail.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Create directory table in prologue and file name indicates index
of the table for its directory
Now bring back included file names
Signedoff-by: Chang S. Bae <chang.seok.bae@intel.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Separate dir info from the file list to align with dwarf format
in debug_line section
Signedoff-by: Chang S. Bae <chang.seok.bae@intel.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
In debug info and line, only main source is showed up. Header files
will be laid out via TAG_subprogram
Included missing memory cleanups
Removed unnecessary null assertions
Signed-off-by: Chang S. Bae <chang.seok.bae@intel.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Use the new nasm_basename() and nasm_dirname() functions to split a
pathname.
Use nasm_wcstring() to write a C string to an SAA.
Use list_for_each() to walk linked lists.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Remove casts from allocations. This is simply Not How To Do Things:
every cast carries a potential risk of being a toxic type misuse
(e.g. pointer as integer) and so any unnecessary cast is actively
harmful.
Note that a lot of allocations here are completely unnecessary: the
core code now guarantees that all filenames are permanently allocated
for the duration of the assembly, and so should be turned into const
char * without any further allocation. Any remaining malloc+strcpy
should be turned into nasm_strdup(), and nasm_new[n]() used whereever
possible.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Apple's linker requires file path along with file name to produce
debug notes.
Signed-off-by: Chang S. Bae <chang.seok.bae@intel.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
1. One incorrect variable use(!)
2. One possibly uninitialized variable.
Signed-off-by: Chang S. Bae <chang.seok.bae@intel.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
file and section list added for managing debug line info
also, now macho parts get to call debug interfaces
Signed-off-by: Chang S. Bae <chang.seok.bae@intel.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
skeletion interfaces
MachO Dwarf is basically porting of ELF's DWARF implementations
and it includes debug line information and some debug meta data
Signed-off-by: Chang S. Bae <chang.seok.bae@intel.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
According to the Mach-O spec this should not be necessary for .o
files, but it seems that we get problems with extracted dsyms if this
is not done, so do this for now -- we might be able to troubleshoot
this later.
Signed-off-by: Chang S. Bae <chang.seok.bae@intel.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Add a generic facility for generating perfect string hashes, where all
that is needed is an enum and a string table. The existing mechanism
using a custom Perl script wrapped around a module continues to be
available for any use case where this particular approach isn't
sophisticated enough.
Much of this patch comes from renaming "enum directives" to "enum
directive" as a result of the string hash generator expecting a set of
uniform naming conventions.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
A raw data dump can potentially be very large, especially when
incbin is used. Allow a %pragma for setting the maximum dump
size (defaults to 128 bytes.)
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Update the debug output format to dump (most of) the information that
is available via the new backend format, as well as the legacy backend
format -- probably the only backend ever which will ever want both!
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
We are missing @next access here so in result we
might allocate same name several times.
Reported-by: "Bae, Chang Seok" <chang.seok.bae@intel.com>
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
We don't have any elf pragmas yet, but we want to be able to do
"%pragma elf" and have it work for any of the elf formats.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Implement the MachO do_dead_strip directive, which sets a flag on the
corresponding section. This as well as subsections_by_symbols are
reimplemented as pragmas; if someone uses the predefined macro they
still get the expected behavior.
However, this allows someone to write:
%pragma macho subsections_by_symbols
... and have it ignored if compiling for, say, ELF.
Also, implement the following section attributes:
zerofill, no_dead_strip, live_support, strip_static_syms
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
The "subsection_via_symbols" directive simply sets a flag in the
Mach-O file header.
Requested in BR 3392367.
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
The directives code is already trying to do a bit more unified error
handling, so give ourselves a bit richer interface. At this point,
the conversion was pretty automatic so we probably return DIRR_OK
instead of DIRR_ERROR in a fair number of places, but that's okay.
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Move directive processing to its own file, and move nasmlib/error.c to
asm/error.c (it was not used by the disassembler); remove some extern
declarations from .c files, and do some general code cleanups.
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Make the arguments to add_sectname() constant. There are definitely
more things about this that ought to be cleaned up, including not
relying on magic offsets for the section numbers, but this is a
trivial cleanup that really needed to be done anyway.
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Remove casts in switch statements that were intended to keep
OpenWatcom happy. It didn't work, and now we have a more general
solution for the problem, which also ought to be less dangerous.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Add a redundant cast in watcom_switch_hack() to quiet a Watcom
warning, and remove open-coded implementation of the Watcom switch
hack.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
For expressions like [foo - $] or [bar - $$] our relocation base is
not the same as the end of the instruction. Make that explicit.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Type long is not necessarily long enough to be valid to hold a 64-bit
number (e.g. 32-bit platforms or Win64), however, the output variable
newaddr is uint64_t.
Cc: Martin Lindhe <martin-commit@ubique.se>
Cc: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
pvs-studio error 'V629 Consider inspecting the '1 << s->align' expression.
Bit shifting of the 32-bit value with a subsequent expansion to the 64-bit type.'
Signed-off-by: Martin Lindhe <martin-commit@ubique.se>
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
fix pvs-studio error 'V581 The conditional expressions of the 'if'
operators situated alongside each other are identical.
Check lines: 170, 173.'
Signed-off-by: Martin Lindhe <martin-commit@ubique.se>
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
fix pvs-studio error 'V581 The conditional expressions of the 'if'
operators situated alongside each other are identical. Check lines: 304, 311.'
Signed-off-by: Martin Lindhe <martin-commit@ubique.se>
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
fix pvs-studio error 'V581 The conditional expressions of the 'if'
operators situated alongside each other are identical.
Check lines: 246, 249.'
Signed-off-by: Martin Lindhe <martin-commit@ubique.se>
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
If we get an output type we don't know how to handle, do a panic()
rather than a compile-time error; this will be necessary in the short
time pending a change to the backend interface.
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
stabs is the default debug format and GNU gold dies with an assertion
failure when it encounters a SHT_REL section in an x64 ELF file.
Signed-off-by: Fabian Giesen <fabiang@radgametools.com>
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
df_dwarf and df_stabs were orphans of the elf32/64 merge; clean up.
Signed-off-by: Fabian Giesen <fabiang@radgametools.com>
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
write_symbolinfo_properties didn't match the S_COMPILE2 record it's
supposed to be writing (the "compiler version" string was emitted
starting in the final "version" field); fix that.
Write version 8.0.50727; the Windows App Certification Kit (WACK)
checks compiler versions as given in app debug info and complains
when the toolchain is too old. 8.0.50727 is the lowest permitted
"MASM" version for WACK to be happy, so that's what we write.
Signed-off-by: Fabian Giesen <fabiang@radgametools.com>
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
