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dbghelp: Support CIE version 4 in parse_cie_details().
Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>
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@ -2641,7 +2641,7 @@ static BOOL parse_cie_details(dwarf2_traverse_context_t* ctx, struct frame_info*
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/* parse the CIE first */
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version = dwarf2_parse_byte(ctx);
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if (version != 1 && version != 3)
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if (version != 1 && version != 3 && version != 4)
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{
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FIXME("unknown CIE version %u at %p\n", version, ctx->data - 1);
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return FALSE;
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@ -2649,12 +2649,21 @@ static BOOL parse_cie_details(dwarf2_traverse_context_t* ctx, struct frame_info*
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augmentation = (const char*)ctx->data;
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ctx->data += strlen(augmentation) + 1;
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info->code_align = dwarf2_leb128_as_unsigned(ctx);
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info->data_align = dwarf2_leb128_as_signed(ctx);
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if (version == 1)
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info->retaddr_reg = dwarf2_parse_byte(ctx);
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else
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info->retaddr_reg = dwarf2_leb128_as_unsigned(ctx);
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switch (version)
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{
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case 4:
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/* skip 'address_size' and 'segment_size' */
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ctx->data += 2;
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/* fallthrough */
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case 1:
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case 3:
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info->code_align = dwarf2_leb128_as_unsigned(ctx);
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info->data_align = dwarf2_leb128_as_signed(ctx);
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info->retaddr_reg = version == 1 ? dwarf2_parse_byte(ctx) :dwarf2_leb128_as_unsigned(ctx);
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break;
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default:
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;
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}
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info->state.cfa_rule = RULE_CFA_OFFSET;
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end = NULL;
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