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Strip '@' suffix from external symbols for MACH-O, too.

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Fixes OSX build.
This commit is contained in:
Mike Pall 2010-01-10 09:39:05 +01:00
parent 99d153bef9
commit 767035f031
1 changed files with 16 additions and 17 deletions
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33
src/buildvm_asm.c
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@ -23,27 +23,18 @@ static void emit_asm_bytes(BuildCtx *ctx, uint8_t *p, int n)
}
/* Emit relocation */
static void emit_asm_reloc(BuildCtx *ctx, BuildReloc *r)
static void emit_asm_reloc(BuildCtx *ctx, int type, const char *sym)
{
const char *sym = ctx->extnames[r->sym];
const char *p = strchr(sym, '@');
char buf[80];
if (p) {
/* Always strip fastcall suffix. Wrong for (unused) COFF on Win32. */
strncpy(buf, sym, p-sym);
buf[p-sym] = '\0';
sym = buf;
}
switch (ctx->mode) {
case BUILD_elfasm:
if (r->type)
if (type)
fprintf(ctx->fp, "\t.long %s-.-4\n", sym);
else
fprintf(ctx->fp, "\t.long %s\n", sym);
break;
case BUILD_coffasm:
fprintf(ctx->fp, "\t.def _%s; .scl 3; .type 32; .endef\n", sym);
if (r->type)
if (type)
fprintf(ctx->fp, "\t.long _%s-.-4\n", sym);
else
fprintf(ctx->fp, "\t.long _%s\n", sym);
@ -173,13 +164,21 @@ void emit_asm(BuildCtx *ctx)
emit_asm_label(ctx, name, size, 1);
}
while (rel < ctx->nreloc && ctx->reloc[rel].ofs < stop) {
int n = ctx->reloc[rel].ofs - prev;
if (ctx->mode == BUILD_machasm && ctx->reloc[rel].type != 0) {
emit_asm_reloc_mach(ctx, ctx->code+prev, n,
ctx->extnames[ctx->reloc[rel].sym]);
BuildReloc *r = &ctx->reloc[rel];
int n = r->ofs - prev;
const char *sym = ctx->extnames[r->sym];
const char *p = strchr(sym, '@');
if (p) {
/* Always strip fastcall suffix. Wrong for (unused) COFF on Win32. */
strncpy(name, sym, p-sym);
name[p-sym] = '\0';
sym = name;
}
if (ctx->mode == BUILD_machasm && r->type != 0) {
emit_asm_reloc_mach(ctx, ctx->code+prev, n, sym);
} else {
emit_asm_bytes(ctx, ctx->code+prev, n);
emit_asm_reloc(ctx, &ctx->reloc[rel]);
emit_asm_reloc(ctx, r->type, sym);
}
prev += n+4;
rel++;