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| author | Jie Zhang <jie.zhang@analog.com> | 2008-07-11 19:24:39 +0000 |
|---|---|---|
| committer | Jie Zhang <jie.zhang@analog.com> | 2008-07-11 19:24:39 +0000 |
| commit | 4793b334b8fcd9c7a436bc8fa24ecaf62869e367 (patch) | |
| tree | c0737910b4e609be158ff2e13514976fd22d19fa /bfd/elf32-bfin.c | |
| parent | 878e3a24d622d7df8fc6b3516dd5e69c5729a45f (diff) | |
| download | binutils-redhat-4793b334b8fcd9c7a436bc8fa24ecaf62869e367.tar.gz | |
bfd/
* elf.c (_bfd_elf_map_sections_to_segments): Don't put
executable sections into the same segment with other
read only sections if --sep-code.
* elf32-bfin.c (elf32_bfin_code_in_l1): New variable.
(elf32_bfin_data_in_l1): New variable.
(elf32_bfin_final_write_processing): New.
(elf32_bfin_special_sections[]): New.
(elf_backend_final_write_processing): Define.
(elf_backend_special_sections): Define.
binutils/
* readelf.c (get_machine_flags): Deal with Blackfin specific
flags.
include/
* bfdlink.h (struct bfd_link_info): Add sep_code member
variable.
* elf/bfin.h (EF_BFIN_CODE_IN_L1): Define.
(EF_BFIN_DATA_IN_L1): Define.
ld/
* Makefile.am (eelf32bfin.c): Depend on bfin.em.
(eelf32bfinfd.c): Likewise.
* Makefile.in: Regenerate.
* gen-doc.texi: Set Blackfin.
* ld.texinfo: Document --sep-code and Blackfin specific
options.
* ldmain.c (main): Initialize link_info.sep_code.
* lexsup.c (enum option_values): Add OPTION_SEP_CODE.
(ld_options[]): Add --sep-code.
(parse_args): Deal with --sep-code.
* emulparams/bfin.sh (EXTRA_EM_FILE): Define.
* emulparams/elf32bfinfd.sh (OTHER_SECTIONS): Define.
* emultempl/bfin.em: New file.
Diffstat (limited to 'bfd/elf32-bfin.c')
| -rw-r--r-- | bfd/elf32-bfin.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/bfd/elf32-bfin.c b/bfd/elf32-bfin.c index f83abd28ac..480feb2d30 100644 --- a/bfd/elf32-bfin.c +++ b/bfd/elf32-bfin.c @@ -1119,6 +1119,22 @@ bfin_reloc_type_lookup (bfd * abfd ATTRIBUTE_UNUSED, return (reloc_howto_type *) NULL; } +/* Set by ld emulation if --code-in-l1. */ +bfd_boolean elf32_bfin_code_in_l1 = 0; + +/* Set by ld emulation if --data-in-l1. */ +bfd_boolean elf32_bfin_data_in_l1 = 0; + +static void +elf32_bfin_final_write_processing (bfd *abfd, + bfd_boolean linker ATTRIBUTE_UNUSED) +{ + if (elf32_bfin_code_in_l1) + elf_elfheader (abfd)->e_flags |= EF_BFIN_CODE_IN_L1; + if (elf32_bfin_data_in_l1) + elf_elfheader (abfd)->e_flags |= EF_BFIN_DATA_IN_L1; +} + /* Return TRUE if the name is a local label. bfin local labels begin with L$. */ static bfd_boolean @@ -5572,6 +5588,14 @@ error_return: free (internal_relocs); return FALSE; } + +struct bfd_elf_special_section const elf32_bfin_special_sections[] = +{ + { ".l1.text", 8, -2, SHT_PROGBITS, SHF_ALLOC + SHF_EXECINSTR }, + { ".l1.data", 8, -2, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE }, + { NULL, 0, 0, 0, 0 } +}; + #define TARGET_LITTLE_SYM bfd_elf32_bfin_vec #define TARGET_LITTLE_NAME "elf32-bfin" @@ -5618,8 +5642,11 @@ error_return: elf32_bfin_set_private_flags #define bfd_elf32_bfd_print_private_bfd_data \ elf32_bfin_print_private_bfd_data +#define elf_backend_final_write_processing \ + elf32_bfin_final_write_processing #define elf_backend_reloc_type_class elf32_bfin_reloc_type_class #define elf_backend_can_gc_sections 1 +#define elf_backend_special_sections elf32_bfin_special_sections #define elf_backend_can_refcount 1 #define elf_backend_want_got_plt 0 #define elf_backend_plt_readonly 1 |