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| author | Iain Sandoe <iain@sandoe.co.uk> | 2018-08-22 11:37:02 +0000 |
|---|---|---|
| committer | Iain Sandoe <iains@gcc.gnu.org> | 2018-08-22 11:37:02 +0000 |
| commit | 333a29f9e88dbe5ed6fc0c9a1852c98b58831c77 (patch) | |
| tree | d7255a4ce68a1ba945a1e8fdbba6ddab680fdd5a /gcc | |
| parent | acc2580750f930440cabe85650df8a2f20ff520d (diff) | |
| download | gcc-333a29f9e88dbe5ed6fc0c9a1852c98b58831c77.zip gcc-333a29f9e88dbe5ed6fc0c9a1852c98b58831c77.tar.gz gcc-333a29f9e88dbe5ed6fc0c9a1852c98b58831c77.tar.bz2 | |
Fix FDE labels for Darwin
gcc/
PR bootstrap/81033
PR target/81733
PR target/52795
* gcc/dwarf2out.c (FUNC_SECOND_SECT_LABEL): New.
(dwarf2out_switch_text_section): Generate a local label for the second
function sub-section and apply it as the second FDE start label.
* gcc/final.c (final_scan_insn_1): Emit second FDE label after the second
sub-section start.
From-SVN: r263763
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 11 | ||||
| -rw-r--r-- | gcc/dwarf2out.c | 11 | ||||
| -rw-r--r-- | gcc/final.c | 3 |
3 files changed, 23 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 7dfdd45..a0e321d 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,14 @@ +2018-08-22 Iain Sandoe <iain@sandoe.co.uk> + + PR bootstrap/81033 + PR target/81733 + PR target/52795 + * gcc/dwarf2out.c (FUNC_SECOND_SECT_LABEL): New. + (dwarf2out_switch_text_section): Generate a local label for the second + function sub-section and apply it as the second FDE start label. + * gcc/final.c (final_scan_insn_1): Emit second FDE label after the second + sub-section start. + 2018-08-22 Richard Biener <rguenther@suse.de> PR tree-optimization/86988 diff --git a/gcc/dwarf2out.c b/gcc/dwarf2out.c index edf1ac3..91af4e8 100644 --- a/gcc/dwarf2out.c +++ b/gcc/dwarf2out.c @@ -298,6 +298,10 @@ static unsigned int rnglist_idx; #define FUNC_BEGIN_LABEL "LFB" #endif +#ifndef FUNC_SECOND_SECT_LABEL +#define FUNC_SECOND_SECT_LABEL "LFSB" +#endif + #ifndef FUNC_END_LABEL #define FUNC_END_LABEL "LFE" #endif @@ -1213,21 +1217,24 @@ static void set_cur_line_info_table (section *); void dwarf2out_switch_text_section (void) { + char label[MAX_ARTIFICIAL_LABEL_BYTES]; section *sect; dw_fde_ref fde = cfun->fde; gcc_assert (cfun && fde && fde->dw_fde_second_begin == NULL); + ASM_GENERATE_INTERNAL_LABEL (label, FUNC_SECOND_SECT_LABEL, + current_function_funcdef_no); + + fde->dw_fde_second_begin = ggc_strdup (label); if (!in_cold_section_p) { fde->dw_fde_end = crtl->subsections.cold_section_end_label; - fde->dw_fde_second_begin = crtl->subsections.hot_section_label; fde->dw_fde_second_end = crtl->subsections.hot_section_end_label; } else { fde->dw_fde_end = crtl->subsections.hot_section_end_label; - fde->dw_fde_second_begin = crtl->subsections.cold_section_label; fde->dw_fde_second_end = crtl->subsections.cold_section_end_label; } have_multiple_function_sections = true; diff --git a/gcc/final.c b/gcc/final.c index 842e5e0..6943c07 100644 --- a/gcc/final.c +++ b/gcc/final.c @@ -2232,6 +2232,9 @@ final_scan_insn_1 (rtx_insn *insn, FILE *file, int optimize_p ATTRIBUTE_UNUSED, ASM_OUTPUT_LABEL (asm_out_file, IDENTIFIER_POINTER (cold_function_name)); #endif + if (dwarf2out_do_frame () + && cfun->fde->dw_fde_second_begin != NULL) + ASM_OUTPUT_LABEL (asm_out_file, cfun->fde->dw_fde_second_begin); } break; |