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Do not use DWARF unwinder on Windows.

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This commit is contained in:
Mike Pall 2012-08-11 05:41:09 +02:00
parent 1878d17f19
commit ece23a4788
1 changed files with 0 additions and 45 deletions
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45
src/vm_x86.dasc
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@ -6201,51 +6201,6 @@ static void emit_asm_debug(BuildCtx *ctx)
".LEFDE3:\n\n", (int)ctx->codesz - fcofs);
#endif
break;
case BUILD_coffasm:
fprintf(ctx->fp, "\t.section .eh_frame,\"dr\"\n");
fprintf(ctx->fp,
"\t.def %slj_err_unwind_dwarf; .scl 2; .type 32; .endef\n",
LJ_32 ? "_" : "");
fprintf(ctx->fp,
"Lframe1:\n"
"\t.long LECIE1-LSCIE1\n"
"LSCIE1:\n"
"\t.long 0\n"
"\t.byte 0x1\n"
"\t.string \"zP\"\n"
"\t.uleb128 0x1\n"
"\t.sleb128 -" SZPTR "\n"
"\t.byte " REG_RA "\n"
"\t.uleb128 5\n" /* augmentation length */
"\t.byte 0x00\n" /* absptr */
"\t.long %slj_err_unwind_dwarf\n"
"\t.byte 0xc\n\t.uleb128 " REG_SP "\n\t.uleb128 " SZPTR "\n"
"\t.byte 0x80+" REG_RA "\n\t.uleb128 0x1\n"
"\t.align " SZPTR "\n"
"LECIE1:\n\n", LJ_32 ? "_" : "");
fprintf(ctx->fp,
"LSFDE1:\n"
"\t.long LEFDE1-LASFDE1\n"
"LASFDE1:\n"
"\t.long LASFDE1-Lframe1\n"
"\t.long %slj_vm_asm_begin\n"
"\t.long %d\n"
"\t.uleb128 0\n" /* augmentation length */
"\t.byte 0xe\n\t.uleb128 %d\n" /* def_cfa_offset */
#if LJ_64
"\t.byte 0x86\n\t.uleb128 0x2\n" /* offset rbp */
"\t.byte 0x83\n\t.uleb128 0x3\n" /* offset rbx */
"\t.byte 0x8f\n\t.uleb128 0x4\n" /* offset r15 */
"\t.byte 0x8e\n\t.uleb128 0x5\n" /* offset r14 */
#else
"\t.byte 0x85\n\t.uleb128 0x2\n" /* offset ebp */
"\t.byte 0x87\n\t.uleb128 0x3\n" /* offset edi */
"\t.byte 0x86\n\t.uleb128 0x4\n" /* offset esi */
"\t.byte 0x83\n\t.uleb128 0x5\n" /* offset ebx */
#endif
"\t.align " SZPTR "\n"
"LEFDE1:\n\n", LJ_32 ? "_" : "", (int)ctx->codesz, CFRAME_SIZE);
break;
/* Mental note: never let Apple design an assembler.
** Or a linker. Or a plastic case. But I digress.
*/