aniani/nasm
0
0
Fork 1
mirror of https://github.com/netwide-assembler/nasm.git synced 2025-07-24 10:25:42 -04:00
Code

assemble: for OUT_REL*ADR, the "size" argument is not really size...

Browse Source 
For OUT_REL*ADR, the "size" argument is actually the offset inside the
instruction; that is in fact why we encode the real size in the
instruction itself.  Thus, emit the offsets properly using this
mechanism when generating relative EAs.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
This commit is contained in:
H. Peter Anvin 2008-10-17 23:29:11 -07:00
parent 93c7aa2302
commit 0a20bcfaf1
1 changed files with 8 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
assemble.c
View File

@ -1811,14 +1811,17 @@ static void gencode(int32_t segment, int64_t offset, int bits,
warn_overflow(ea_data.bytes, opx);
s += ea_data.bytes;
if (ea_data.rip) {
data -= insn_end - (offset+ea_data.bytes);
type = OUT_REL4ADR;
out(offset, segment, &data,
OUT_REL4ADR, insn_end - offset,
ins->oprs[(c >> 3) & 7].segment,
ins->oprs[(c >> 3) & 7].wrt);
} else {
type = OUT_ADDRESS;
out(offset, segment, &data,
OUT_ADDRESS, ea_data.bytes,
ins->oprs[(c >> 3) & 7].segment,
ins->oprs[(c >> 3) & 7].wrt);
}
out(offset, segment, &data, type, ea_data.bytes,
ins->oprs[(c >> 3) & 7].segment,
ins->oprs[(c >> 3) & 7].wrt);
break;
}
offset += s;