Commit Graph

301 Commits

Author SHA1 Message Date
H.J. Lu
04633d07b6 backend: add support for x32 ELF
Add an x32 ELF (32-bit code with the CPU in 64-bit mode) backend.
2012-02-03 12:08:59 -08:00
Cyrill Gorcunov
7add67f949 elf64: Make linelist to look the same as elf32
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
2011-08-28 17:07:26 +04:00
Cyrill Gorcunov
5a8944af59 elf32: Drop holes in linelist structure
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
2011-08-28 17:05:17 +04:00
Cyrill Gorcunov
e07bd499f8 outobj: Reorder Segment members to eliminate holes
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
2011-08-28 17:03:21 +04:00
Cyrill Gorcunov
a30090b7e5 outieee: Reorder ieeeSection members to eliminate holes
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
2011-08-28 17:00:04 +04:00
Cyrill Gorcunov
32af9d75f3 elf64: Drop unused 'zero' variable
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
2011-07-17 14:04:44 +04:00
Keith Kanios
8052664433 BR3282788: Fix 64-bit Mach-O bug that crashes NASM due to NULL symbols 2011-04-11 21:38:50 -05:00
Cyrill Gorcunov
a4f98b3aab Merge branch 'nasm-2.09.xx'
Conflicts:
	nasm.h
	version

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
2011-04-06 19:12:17 +04:00
Cyrill Gorcunov
c1936da942 ofmt: Alias shortname must be used for __OUTPUT_FORMAT__ macro
__OUTPUT_FORMAT__ must consist of shortname of output format
or its alias, otherwise userspace ABI gets broken.

For example source code still can refer to __OUTPUT_FORMAT__=elf,
instead of __OUTPUT_FORMAT__=elf32.

BR3246990

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
2011-04-06 18:32:15 +04:00
Keith Kanios
e3f4780665 output/outbin.c: initialize section align/start attributes upon creation 2011-02-28 09:49:04 +03:00
Cyrill Gorcunov
befc631d04 elf64: Use nasm_zalloc helper
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
2011-02-28 09:45:43 +03:00
Cyrill Gorcunov
efc249d8fc outelf32: Use nasm_zalloc helper
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
2011-02-28 09:40:43 +03:00
Cyrill Gorcunov
b4af1ac765 outcoff: Use nasm_zalloc helper
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
2011-02-28 09:33:08 +03:00
Cyrill Gorcunov
c13deef255 bin: Use nasm_zalloc for default section creation
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
2011-02-28 09:28:25 +03:00
Cyrill Gorcunov
3bc3ff2fb6 bin: Use nasm_zalloc helper for section allocation in a sake of simplicity
Instead of opencoded zero assignments better to use nasm_zalloc
and set fields which are supposed to be non-nil. This simplifies
code and makes it more readable.

Also note the field 'ifollows' renamed to 'prev' as it should
be from the very beginning in terms of lists.

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
2011-02-28 01:26:24 +03:00
Keith Kanios
11db774a15 output/outbin.c: initialize section align/start attributes upon creation 2011-02-27 13:14:32 -06:00
Cyrill Gorcunov
cb9a459560 coff: Handle massive relocations
The backport of

4db724fdd7
359b63f897
01102ee8e6
2672af7379

so coff output target to be able to handle
massive relocations.

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
2010-11-20 14:18:23 +03:00
Cyrill Gorcunov
2672af7379 coff: Cover 'else' with cond compilation
It was a nit in first place.

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
2010-11-07 01:09:36 +03:00
Cyrill Gorcunov
01102ee8e6 coff: Handle massive relocations
In case if relocations number exceed 16bit values
we have to hande such case by a special way, as described
in COFF specification.

 "IMAGE_SCN_LNK_NRELOC_OVFL indicates that the count of
relocations for the section exceeds the 16 bits that are
reserved for it in the section header. If the bit is set
and the NumberOfRelocations field in the section header
is 0xffff, the actual relocation count is stored in the
32-bit VirtualAddress field of the first relocation. It
is an error if IMAGE_SCN_LNK_NRELOC_OVFL is set and
there are fewer than 0xffff relocations in the section."

[ BR3092924 ]

Reported-by: Robert Yates
Investigated-by: nasm64developer
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
2010-11-06 18:38:00 +03:00
Cyrill Gorcunov
359b63f897 coff: Issue fatal signal on relocations more then 0xffff
Actually it's temporary action. We have to support more
relocations then that but it requires some more code rework.

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
2010-11-06 02:45:45 +03:00
Cyrill Gorcunov
4db724fdd7 coff: Add IMAGE_SCN_MAX_RELOC constant
We will need it to analyze if section relocations
are overflowed.

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
2010-11-05 13:50:04 +03:00
Cyrill Gorcunov
2c157002f2 BR3079550: NASM crash on run-time for OMF output format
We could have accessed malloc'ed data on external symbols
in obj and ieee output formats. Fix it by using nasm_zalloc.

Reported-by: Jiri Malak
Patch-by: Jiri Malak
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
2010-10-27 21:41:11 +04:00
Cyrill Gorcunov
9e8f0ac460 BR3079550: NASM crash on run-time for OMF output format
We could have accessed malloc'ed data on external symbols
in obj and ieee output formats. Fix it by using nasm_zalloc.

Reported-by: Jiri Malak
Patch-by: Jiri Malak
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
2010-10-02 01:21:00 +04:00
Cyrill Gorcunov
d7b654c73d elf: Move stabs symbol table format into outelf.h
Get rid of code duplication

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
2010-07-30 00:51:44 +04:00
Cyrill Gorcunov
4cc1064328 outbin: Cleanup bin_cleanup
No need for 'q' variable.

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
2010-07-06 19:40:02 +04:00
Cyrill Gorcunov
faf23d1302 outbin: Simplify reverse address computing
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
2010-07-06 19:08:28 +04:00
Cyrill Gorcunov
2b416c9def BR3025702: outbin -- Fix byte ordering
In commit 55ae12052c we occasionally broke byte ordering. Fix it.
Note that current stable version 2.08.01 is not affected by this bug.

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
2010-07-06 18:33:29 +04:00
H. Peter Anvin
5e2e8b9105 Rename filenames to 8.3 format
Apparently some people still care about compiling native on MS-DOS,
and we don't have a significant number of files which need adjustment.

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2010-06-15 10:47:16 -07:00
H. Peter Anvin
b714cb27cb outobj: handle compilers without 64-bit switch() support
OpenWatcom, in particular, doesn't handle switch() statements with
64-bit expressions, sigh.

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2010-06-07 11:34:28 -07:00
H. Peter Anvin
4dff757ba5 outelf32: handle compilers without 64-bit switch() support
OpenWatcom, in particular, doesn't handle switch() statements with
64-bit expressions, sigh.

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2010-06-07 11:26:11 -07:00
Cyrill Gorcunov
a731924978 nasmlib: Rename elements() macro to ARRAY_SIZE
ARRAY_SIZE is a well known name pointing out that
we're dealing with array in macro argument.

Also to be on a safe side prefix_name helper should
check the index been in bounds more precisely.

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
2010-06-03 23:17:21 +04:00
H. Peter Anvin
62de275527 outobj: update error message
The possible sizes we can encounter are 1, 2, 4, 8... make sure we get
a proper error message.

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2010-05-06 17:58:46 -07:00
H. Peter Anvin
931ce775cf outobj: properly error on unsupported relocations
Error out on any relocations not supported by the backend.

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2010-05-06 17:52:57 -07:00
H. Peter Anvin
bce369022a outelf64: update copyright date
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2010-05-06 17:45:39 -07:00
H. Peter Anvin
32575e46ac ELF support for 8-bit relocations
Support 8-bit relocations (OUT_ADDRESS and OUT_REL1ADR) in ELF.

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2010-05-06 16:14:00 -07:00
H. Peter Anvin
55ae12052c Add support for one-byte relocations
Add OUT_REL1ADR (one-byte relative address) and support for
OUT_ADDRESs with size == 1.  Add support for it in
outbin and outdbg.  *It still needs to be added to other backends*,
both the OUT_REL*ADR and OUT_ADDRESS codepaths need to be handled.

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2010-05-06 15:33:24 -07:00
Cyrill Gorcunov
97ec06a16a MachO: Fix misprinted macho_sectalign
macho_sectalign was occasionally misprinted
with macho_setcalign, fix it. No change on functionality.

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
2010-04-28 23:17:13 +04:00
Cyrill Gorcunov
a20b668add obj: Implement sectalign helper
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
2010-04-25 22:00:15 +04:00
Cyrill Gorcunov
573d25fe92 macho: Implement sectalign handler
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
2010-04-25 21:35:09 +04:00
Cyrill Gorcunov
9868bfe80f ieee: Fix section index match in sectalign handler
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
2010-04-25 17:55:52 +04:00
Cyrill Gorcunov
b9fd67b38e outieee: Implement sectalign handler
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
2010-04-25 01:17:11 +04:00
Cyrill Gorcunov
bb196d4fd3 outbin: Drop current_section variable
There is no need for it anymore.

Reported-by: "H. Peter Anvin" <hpa@linux.intel.com>
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
2010-04-22 22:32:17 +04:00
Cyrill Gorcunov
4c45e83aac outbin: Prune ancient format_mode variable
format_mode is always set to 1 so there is no need to
keep this variable. "Old chicken bit" (c) :)

Reported-by: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
2010-04-22 22:25:55 +04:00
Cyrill Gorcunov
630f221b01 bin: Implement sectalign handler
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
2010-04-22 19:06:29 +04:00
Cyrill Gorcunov
279d8f146a coff: Use IMAGE_SCN_ALIGN_MASK macro
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
2010-04-22 19:06:14 +04:00
Cyrill Gorcunov
3834305507 coff: Allow alignment greater then 64 bytes on win
On win32/64 we have no 64 bytes limit so hit it on
"coff" target only.

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
2010-04-22 19:06:03 +04:00
Cyrill Gorcunov
7c8c258cdd coff: Fix section alignment computation
Section alignment is broken due to not being
direct "align -> power of two set" mapping but
rather including second addition operation.

Fix it by introducing coff_sectalign_flags helper.
This also allow us to use this helper for getting
rid of open coded computation as well.

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
2010-04-22 19:05:50 +04:00
Cyrill Gorcunov
42017a6115 coff: Use predefined macros instead of numbers and style fix
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
2010-04-22 19:03:56 +04:00
Cyrill Gorcunov
557a57bd55 pecoff.h: Complete header
Put in all constants pecoff v8 states. Most probably we
will never need most of them but lets have them here for
completeness.

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
2010-04-22 19:02:22 +04:00
H. Peter Anvin
35c30da61b Remove open-coded ilog2() implementations
When we need integer log2, use the new library routine.

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2010-04-21 16:46:57 -07:00