dwarf2out.c (FRAME_BEGIN_LABEL): New.
* dwarf2out.c (FRAME_BEGIN_LABEL): New. (output_call_frame_info): Use it instead of __FRAME_BEGIN__ and the gas section-name-as-label feature. From-SVN: r46037
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@ -1,3 +1,9 @@
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2001-10-05 Richard Henderson <rth@redhat.com>
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* dwarf2out.c (FRAME_BEGIN_LABEL): New.
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(output_call_frame_info): Use it instead of __FRAME_BEGIN__ and
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the gas section-name-as-label feature.
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2001-10-05 Neil Booth <neil@daikokuya.demon.co.uk>
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* doc/cppinternals.texi: Update.
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@ -288,6 +288,7 @@ static void def_cfa_1 PARAMS ((const char *, dw_cfa_location *));
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#ifndef FUNC_END_LABEL
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#define FUNC_END_LABEL "LFE"
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#endif
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#define FRAME_BEGIN_LABEL "Lframe"
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#define CIE_AFTER_SIZE_LABEL "LSCIE"
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#define CIE_END_LABEL "LECIE"
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#define CIE_LENGTH_LABEL "LLCIE"
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@ -1708,7 +1709,7 @@ output_call_frame_info (for_eh)
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register unsigned int i;
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register dw_fde_ref fde;
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register dw_cfi_ref cfi;
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char l1[20], l2[20];
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char l1[20], l2[20], section_start_label[20];
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int any_lsda_needed = 0;
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char augmentation[6];
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int augmentation_size;
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@ -1747,11 +1748,13 @@ output_call_frame_info (for_eh)
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ASM_GLOBALIZE_LABEL (asm_out_file, IDENTIFIER_POINTER (label));
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ASM_OUTPUT_LABEL (asm_out_file, IDENTIFIER_POINTER (label));
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#endif
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assemble_label ("__FRAME_BEGIN__");
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}
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else
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named_section_flags (DEBUG_FRAME_SECTION, SECTION_DEBUG);
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ASM_GENERATE_INTERNAL_LABEL (section_start_label, FRAME_BEGIN_LABEL, for_eh);
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ASM_OUTPUT_LABEL (asm_out_file, section_start_label);
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/* Output the CIE. */
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ASM_GENERATE_INTERNAL_LABEL (l1, CIE_AFTER_SIZE_LABEL, for_eh);
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ASM_GENERATE_INTERNAL_LABEL (l2, CIE_END_LABEL, for_eh);
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@ -1882,19 +1885,10 @@ output_call_frame_info (for_eh)
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"FDE Length");
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ASM_OUTPUT_LABEL (asm_out_file, l1);
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/* ??? This always emits a 4 byte offset when for_eh is true, but it
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emits a target dependent sized offset when for_eh is not true.
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This inconsistency may confuse gdb. The only case where we need a
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non-4 byte offset is for the Irix6 N64 ABI, so we may lose SGI
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compatibility if we emit a 4 byte offset. We need a 4 byte offset
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though in order to be compatible with the dwarf_fde struct in frame.c.
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If the for_eh case is changed, then the struct in frame.c has
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to be adjusted appropriately. */
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if (for_eh)
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dw2_asm_output_delta (4, l1, "__FRAME_BEGIN__", "FDE CIE offset");
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dw2_asm_output_delta (4, l1, section_start_label, "FDE CIE offset");
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else
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dw2_asm_output_offset (DWARF_OFFSET_SIZE,
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stripattributes (DEBUG_FRAME_SECTION),
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dw2_asm_output_offset (DWARF_OFFSET_SIZE, section_start_label,
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"FDE CIE offset");
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if (for_eh)
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