svn commit: r1634 - in trunk/yasm: libyasm modules/arch/x86 modules/objfmts/bin/tests modules/objfmts/elf modules/objfmts/elf/tests

[peter at tortall.net]

Author: peter
Date: Fri Sep 29 00:18:45 2006
New Revision: 1634

Added:
   trunk/yasm/modules/objfmts/bin/tests/bin-farabs.asm
   trunk/yasm/modules/objfmts/bin/tests/bin-farabs.hex
   trunk/yasm/modules/objfmts/elf/tests/elfequabs.asm
   trunk/yasm/modules/objfmts/elf/tests/elfequabs.hex
Modified:
   trunk/yasm/libyasm/expr-int.h
   trunk/yasm/libyasm/expr.c
   trunk/yasm/libyasm/expr.h
   trunk/yasm/libyasm/symrec.c
   trunk/yasm/libyasm/symrec.h
   trunk/yasm/libyasm/value.c
   trunk/yasm/libyasm/value.h
   trunk/yasm/modules/arch/x86/x86arch.h
   trunk/yasm/modules/arch/x86/x86bc.c
   trunk/yasm/modules/arch/x86/x86expr.c
   trunk/yasm/modules/arch/x86/x86id.c
   trunk/yasm/modules/objfmts/bin/bin-objfmt.c
   trunk/yasm/modules/objfmts/bin/tests/Makefile.inc
   trunk/yasm/modules/objfmts/elf/elf-objfmt.c
   trunk/yasm/modules/objfmts/elf/elf.c
   trunk/yasm/modules/objfmts/elf/tests/Makefile.inc
   trunk/yasm/modules/objfmts/elf/tests/elfabssect.asm
   trunk/yasm/modules/objfmts/elf/tests/elfabssect.hex
   trunk/yasm/modules/objfmts/elf/tests/elfmanysym.hex
Changeset:
   http://www.tortall.net/projects/yasm/changeset/1634

Log:
- Fix much brokenness in absolute value handling, particularly in regards to
  PC-relative relocations (jumps and calls).
- Allow SEG:OFF to be used as just an offset portion (like NASM does).
- Labels in absolute sections that are declared global are given the correct
  absolute value in the symbol table.

One difference from NASM:
  label equ 0040h:001eh
  jmp label
in NASM means the same as:
  jmp 001eh  (a near jump)
but yasm will treat this the same as:
  jmp 0040h:001eh  (a far jump)

I'm still not completely happy with this implementation, but it's workable
and fixes all the bugs I've found so far in absolute handling.