From 481ff3f38653629f51c2fb0947c3defef00925bc Mon Sep 17 00:00:00 2001 From: Paul Brook Date: Mon, 9 May 2011 13:17:58 +0000 Subject: [PATCH] 2011-05-09 Paul Brook bfd/ * elf32-tic6x.c (is_tic6x_elf_unwind_section_name, elf32_tic6x_fake_sections): New functions. (elf_backend_fake_sections): Define. gas/ * config/tc-tic6x.c (streq): Define. (tic6x_get_unwind): New. (s_tic6x_cantunwind, s_tic6x_handlerdata, s_tic6x_endp, s_tic6x_personalityindex, s_tic6x_personality): New functions. (md_pseudo_table): Add "endp", "handlerdata", "personalityindex", "personality" and "cantunwind". (tic6x_regname_to_dw2regnum, tic6x_frame_initial_instructions, tic6x_start_unwind_section, tic6x_unwind_frame_regs, tic6x_pop_rts_offset_little, tic6x_pop_rts_offset_big, tic6x_unwind_reg_from_dwarf, tic6x_flush_unwind_word, tic6x_unwind_byte, tic6x_unwind_2byte, tic6x_unwind_uleb, tic6x_cfi_startproc, output_exidx_entry, tic6x_output_unwinding, tic6x_cfi_endproc): New. * config/tc-tic6x.h (TIC6X_NUM_UNWIND_REGS): Define. (tic6x_unwind_info): New. (tic6x_segment_info_type): Add marked_pr_dependency, unwind and text_unwind. (TARGET_USE_CFIPOP, tc_regname_to_dw2regnum, tc_cfi_frame_initial_instructions, DWARF2_DEFAULT_RETURN_COLUMN, DWARF2_CIE_DATA_ALIGNMENT, tc_cfi_startproc, tc_cfi_endproc, tc_cfi_section_name): Define. * doc/c-tic6x.texi: Document new unwinding directives. * dw2gencfi.c (tc_cfi_startproc, tc_cfi_endproc): Add default definitions. (cfi_insn_data, fde_entry, CFI_adjust_cfa_offset, CFI_return_column, CFI_rel_offset, CFI_escape, CFI_signal_frame, CFI_val_encoded_addr): Move to dw2gencfi.h. (CFI_EMIT_target): Define. (dot_cfi_sections): Check tc_cfi_section_name. (dot_cfi_startproc): Use tc_cfi_startproc. (dot_cfi_endproc): Use tc_cfi_endproc. * dw2gencfi.h (cfi_insn_data, fde_entry, CFI_adjust_cfa_offset, CFI_return_column, CFI_rel_offset, CFI_escape, CFI_signal_frame, CFI_val_encoded_addr): Move to here from dw2gencfi.c. gas/testsuite: * gas/tic6x/unwind-1.d: New test. * gas/tic6x/unwind-1.s: New test. * gas/tic6x/unwind-2.d: New test. * gas/tic6x/unwind-2.s: New test. * gas/tic6x/unwind-3.d: New test. * gas/tic6x/unwind-3.s: New test. * gas/tic6x/unwind-bad-1.d: New test. * gas/tic6x/unwind-bad-1.s: New test. * gas/tic6x/unwind-bad-1.l: New test. * gas/tic6x/unwind-bad-2.d: New test. * gas/tic6x/unwind-bad-2.s: New test. * gas/tic6x/unwind-bad-2.l: New test. include/ * elf/tic6x.h (ELF_STRING_C6000_unwind, ELF_STRING_C6000_unwind_info, ELF_STRING_C6000_unwind_once, ELF_STRING_C6000_unwind_info_once): Define. --- include/ChangeLog | 6 ++++++ include/elf/tic6x.h | 6 ++++++ 2 files changed, 12 insertions(+) diff --git a/include/ChangeLog b/include/ChangeLog index 231f4ba48..5e9691472 100644 --- a/include/ChangeLog +++ b/include/ChangeLog @@ -1,3 +1,9 @@ +2011-05-09 Paul Brook + + * elf/tic6x.h (ELF_STRING_C6000_unwind, + ELF_STRING_C6000_unwind_info, ELF_STRING_C6000_unwind_once, + ELF_STRING_C6000_unwind_info_once): Define. + 2011-04-30 Jakub Jelinek * dwarf2.h (DW_OP_GNU_const_type, DW_OP_GNU_regval_type, diff --git a/include/elf/tic6x.h b/include/elf/tic6x.h index 46f43c807..e686cc3a5 100644 --- a/include/elf/tic6x.h +++ b/include/elf/tic6x.h @@ -158,4 +158,10 @@ enum C6XABI_Tag_ISA_C674X = 8 }; +/* Special section names. */ +#define ELF_STRING_C6000_unwind ".c6xabi.exidx" +#define ELF_STRING_C6000_unwind_info ".c6xabi.extab" +#define ELF_STRING_C6000_unwind_once ".gnu.linkonce.c6xabi.exidx." +#define ELF_STRING_C6000_unwind_info_once ".gnu.linkonce.c6xabi.extab." + #endif /* _ELF_TIC6X_H */