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| author | Andrew Dixie <andrewd@gentrack.com> | 2015-09-18 14:10:36 +0000 |
|---|---|---|
| committer | David Edelsohn <dje@gcc.gnu.org> | 2015-09-18 10:10:36 -0400 |
| commit | 04218b3564e3462d2e68c11548299d7359ad8c17 (patch) | |
| tree | a2da31202b08fdaf8e1ee8716ea6db02c1e77164 /gcc/dwarf2out.c | |
| parent | 8cd60b238b40e06647938ef44114da23b6d27391 (diff) | |
| download | gcc-04218b3564e3462d2e68c11548299d7359ad8c17.zip gcc-04218b3564e3462d2e68c11548299d7359ad8c17.tar.gz gcc-04218b3564e3462d2e68c11548299d7359ad8c17.tar.bz2 | |
config.host (powerpc-ibm-aix*): Add crtdbase.o to extra_parts.
libgcc/
* config.host (powerpc-ibm-aix*): Add crtdbase.o to extra_parts.
* config/rs6000/crtdbase.S: New file.
* config/rs6000/t-aix-cxa: Build crtdbase.o.
gcc/
* defaults.h (EH_FRAME_SECTION_NAME): Depend on
EH_FRAME_THROUGH_COLLECT2.
* dwarf2asm.c (dw2_asm_output_encoded_addr_rtx): Add case for
DW_EH_PE_datarel.
* dwarf2out.c (switch_to_eh_frame_section): Use a read-only section
even if EH_FRAME_SECTION_NAME is undefined. Restrict special
collect2 labels to EH_FRAME_THROUGH_COLLECT2.
* except.c (switch_to_exception_section): Use a read-only section
even if EH_FRAME_SECTION_NAME is undefined.
* system.h (EH_FRAME_IN_DATA_SECTION): Poison.
* collect2.c (write_c_file_stat): Provide dbase on AIX.
(scan_prog_file): Don't export __dso_handle nor
__gcc_unwind_dbase.
* config/rs6000/aix.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
(EH_TABLES_CAN_BE_READ_ONLY): Define.
(ASM_OUTPUT_DWARF_PCREL): Define.
(ASM_OUTPUT_DWARF_DATAREL): Define.
(EH_FRAME_THROUGH_COLLECT2): Define.
(EH_FRAME_IN_DATA_SECTION): Delete.
* config/rs6000/rs6000.c (rs6000_aix_asm_output_dwarf_pcrel): New.
(rs6000_aix_asm_output_dwarf_datarel): New.
(rs6000_xcoff_asm_init_sections): Don't set exception_section.
* config/spu/spu-elf.h (EH_FRAME_IN_DATA_SECTION): Delete.
(EH_FRAME_THROUGH_COLLECT2): Define.
* config/i386/i386-interix.h (EH_FRAME_IN_DATA_SECTION): Delete.
(EH_FRAME_THROUGH_COLLECT2): Define.
(EH_TABLES_CAN_BE_READ_ONLY): Define.
* doc/tm.texi.in (EH_FRAME_IN_DATA_SECTION): Delete.
(EH_FRAME_THROUGH_COLLECT2): New.
(ASM_OUTPUT_DWARF_DATAREL): New.
* doc/tm.texi: Regenerate.
Co-Authored-By: David Edelsohn <dje.gcc@gmail.com>
From-SVN: r227906
Diffstat (limited to 'gcc/dwarf2out.c')
| -rw-r--r-- | gcc/dwarf2out.c | 35 |
1 files changed, 18 insertions, 17 deletions
diff --git a/gcc/dwarf2out.c b/gcc/dwarf2out.c index 2fd889a..4a1c152 100644 --- a/gcc/dwarf2out.c +++ b/gcc/dwarf2out.c @@ -438,7 +438,6 @@ switch_to_eh_frame_section (bool back) { tree label; -#ifdef EH_FRAME_SECTION_NAME if (eh_frame_section == 0) { int flags; @@ -466,27 +465,29 @@ switch_to_eh_frame_section (bool back) } else flags = SECTION_WRITE; + +#ifdef EH_FRAME_SECTION_NAME eh_frame_section = get_section (EH_FRAME_SECTION_NAME, flags, NULL); - } +#else + eh_frame_section = ((flags == SECTION_WRITE) + ? data_section : readonly_data_section); #endif /* EH_FRAME_SECTION_NAME */ + } - if (eh_frame_section) - switch_to_section (eh_frame_section); - else - { - /* We have no special eh_frame section. Put the information in - the data section and emit special labels to guide collect2. */ - switch_to_section (data_section); + switch_to_section (eh_frame_section); - if (!back) - { - label = get_file_function_name ("F"); - ASM_OUTPUT_ALIGN (asm_out_file, floor_log2 (PTR_SIZE)); - targetm.asm_out.globalize_label (asm_out_file, - IDENTIFIER_POINTER (label)); - ASM_OUTPUT_LABEL (asm_out_file, IDENTIFIER_POINTER (label)); - } +#ifdef EH_FRAME_THROUGH_COLLECT2 + /* We have no special eh_frame section. Emit special labels to guide + collect2. */ + if (!back) + { + label = get_file_function_name ("F"); + ASM_OUTPUT_ALIGN (asm_out_file, floor_log2 (PTR_SIZE)); + targetm.asm_out.globalize_label (asm_out_file, + IDENTIFIER_POINTER (label)); + ASM_OUTPUT_LABEL (asm_out_file, IDENTIFIER_POINTER (label)); } +#endif } /* Switch [BACK] to the eh or debug frame table section, depending on |