diff options
| 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/except.c | |
| parent | 8cd60b238b40e06647938ef44114da23b6d27391 (diff) | |
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/except.c')
| -rw-r--r-- | gcc/except.c | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/gcc/except.c b/gcc/except.c index d59c5399087..86ad6bc4446 100644 --- a/gcc/except.c +++ b/gcc/except.c @@ -2838,24 +2838,24 @@ switch_to_exception_section (const char * ARG_UNUSED (fnname)) s = exception_section; else { + int flags; + + if (EH_TABLES_CAN_BE_READ_ONLY) + { + int tt_format = + ASM_PREFERRED_EH_DATA_FORMAT (/*code=*/0, /*global=*/1); + flags = ((! flag_pic + || ((tt_format & 0x70) != DW_EH_PE_absptr + && (tt_format & 0x70) != DW_EH_PE_aligned)) + ? 0 : SECTION_WRITE); + } + else + flags = SECTION_WRITE; + /* Compute the section and cache it into exception_section, unless it depends on the function name. */ if (targetm_common.have_named_sections) { - int flags; - - if (EH_TABLES_CAN_BE_READ_ONLY) - { - int tt_format = - ASM_PREFERRED_EH_DATA_FORMAT (/*code=*/0, /*global=*/1); - flags = ((! flag_pic - || ((tt_format & 0x70) != DW_EH_PE_absptr - && (tt_format & 0x70) != DW_EH_PE_aligned)) - ? 0 : SECTION_WRITE); - } - else - flags = SECTION_WRITE; - #ifdef HAVE_LD_EH_GC_SECTIONS if (flag_function_sections || (DECL_COMDAT_GROUP (current_function_decl) && HAVE_COMDAT_GROUP)) @@ -2876,7 +2876,7 @@ switch_to_exception_section (const char * ARG_UNUSED (fnname)) } else exception_section - = s = flag_pic ? data_section : readonly_data_section; + = s = flags == SECTION_WRITE ? data_section : readonly_data_section; } switch_to_section (s); |