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dbghelp: Add partial support for version 3 of DWARF CIEs which are generated by Clang/LLVM.

This commit is contained in:
Ken Thomases 2015-06-24 17:17:48 -05:00 committed by Alexandre Julliard
parent 0bfa11455c
commit 500df92108
1 changed files with 5 additions and 2 deletions
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7
dlls/dbghelp/dwarf.c
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@ -2629,7 +2629,7 @@ static BOOL parse_cie_details(dwarf2_traverse_context_t* ctx, struct frame_info*
/* parse the CIE first */
version = dwarf2_parse_byte(ctx);
if (version != 1)
if (version != 1 && version != 3)
{
FIXME("unknown CIE version %u at %p\n", version, ctx->data - 1);
return FALSE;
@ -2639,7 +2639,10 @@ static BOOL parse_cie_details(dwarf2_traverse_context_t* ctx, struct frame_info*
info->code_align = dwarf2_leb128_as_unsigned(ctx);
info->data_align = dwarf2_leb128_as_signed(ctx);
info->retaddr_reg = dwarf2_parse_byte(ctx);
if (version == 1)
info->retaddr_reg = dwarf2_parse_byte(ctx);
else
info->retaddr_reg = dwarf2_leb128_as_unsigned(ctx);
info->state.cfa_rule = RULE_CFA_OFFSET;
end = NULL;