diff options
Diffstat (limited to 'toolchain/binutils/patches/2.21/200-mips_non_pic.patch')
| -rw-r--r-- | toolchain/binutils/patches/2.21/200-mips_non_pic.patch | 209 |
1 files changed, 0 insertions, 209 deletions
diff --git a/toolchain/binutils/patches/2.21/200-mips_non_pic.patch b/toolchain/binutils/patches/2.21/200-mips_non_pic.patch deleted file mode 100644 index 298f3cb..0000000 --- a/toolchain/binutils/patches/2.21/200-mips_non_pic.patch +++ /dev/null @@ -1,209 +0,0 @@ ---- a/bfd/elf32-mips.c -+++ b/bfd/elf32-mips.c -@@ -1663,6 +1663,15 @@ static const struct ecoff_debug_swap mip - #define elf_backend_plt_readonly 1 - #define elf_backend_plt_sym_val _bfd_mips_elf_plt_sym_val - -+/* Most MIPS ELF files do not contain a traditional PLT; only VxWorks -+ and non-PIC dynamic executables do. These settings only affect -+ _bfd_elf_create_dynamic_sections, which is only called when we -+ do want a traditional PLT. */ -+#undef elf_backend_want_plt_sym -+#define elf_backend_want_plt_sym 1 -+#undef elf_backend_plt_readonly -+#define elf_backend_plt_readonly 1 -+ - #define elf_backend_discard_info _bfd_mips_elf_discard_info - #define elf_backend_ignore_discarded_relocs \ - _bfd_mips_elf_ignore_discarded_relocs -@@ -1686,6 +1695,8 @@ static const struct ecoff_debug_swap mip - #define bfd_elf32_bfd_print_private_bfd_data \ - _bfd_mips_elf_print_private_bfd_data - -+#define elf_backend_plt_sym_val _bfd_mips_elf_plt_sym_val -+ - /* Support for SGI-ish mips targets. */ - #define TARGET_LITTLE_SYM bfd_elf32_littlemips_vec - #define TARGET_LITTLE_NAME "elf32-littlemips" -@@ -1789,6 +1800,7 @@ mips_vxworks_final_write_processing (bfd - #undef elf_backend_additional_program_headers - #undef elf_backend_modify_segment_map - #undef elf_backend_symbol_processing -+#undef elf_backend_plt_sym_val - /* NOTE: elf_backend_rela_normal is not defined for MIPS. */ - - #include "elf32-target.h" ---- a/bfd/elfxx-mips.c -+++ b/bfd/elfxx-mips.c -@@ -713,6 +713,11 @@ static bfd *reldyn_sorting_bfd; - /* Nonzero if ABFD is using NewABI conventions. */ - #define NEWABI_P(abfd) (ABI_N32_P (abfd) || ABI_64_P (abfd)) - -+/* Nonzero if ABFD is a non-PIC object. */ -+#define NON_PIC_P(abfd) \ -+ (((elf_elfheader (abfd)->e_flags & EF_MIPS_PIC) == 0) \ -+ && ((elf_elfheader (abfd)->e_flags & EF_MIPS_CPIC) == EF_MIPS_CPIC)) -+ - /* The IRIX compatibility level we are striving for. */ - #define IRIX_COMPAT(abfd) \ - (get_elf_backend_data (abfd)->elf_backend_mips_irix_compat (abfd)) -@@ -725,6 +730,9 @@ static bfd *reldyn_sorting_bfd; - #define MIPS_ELF_OPTIONS_SECTION_NAME(abfd) \ - (NEWABI_P (abfd) ? ".MIPS.options" : ".options") - -+/* The name of the section holding non-PIC to PIC call stubs. */ -+#define NON_PIC_TO_PIC_STUB_SECTION_NAME ".MIPS.pic_stubs" -+ - /* True if NAME is the recognized name of any SHT_MIPS_OPTIONS section. - Some IRIX system files do not use MIPS_ELF_OPTIONS_SECTION_NAME. */ - #define MIPS_ELF_OPTIONS_SECTION_NAME_P(NAME) \ -@@ -7686,7 +7694,9 @@ _bfd_mips_elf_check_relocs (bfd *abfd, s - - /* We need a stub, not a plt entry for the undefined - function. But we record it as if it needs plt. See -- _bfd_elf_adjust_dynamic_symbol. */ -+ _bfd_elf_adjust_dynamic_symbol. Note that these relocations -+ are always used for PIC calls, even when using the new -+ non-PIC ABI. */ - h->needs_plt = 1; - h->type = STT_FUNC; - } -@@ -7793,6 +7803,8 @@ _bfd_mips_elf_check_relocs (bfd *abfd, s - case R_MIPS_32: - case R_MIPS_REL32: - case R_MIPS_64: -+ if (h != NULL) -+ h->non_got_ref = TRUE; - /* In VxWorks executables, references to external symbols - are handled using copy relocs or PLT stubs, so there's - no need to add a .rela.dyn entry for this relocation. */ -@@ -7848,11 +7860,21 @@ _bfd_mips_elf_check_relocs (bfd *abfd, s - case R_MIPS_GPREL16: - case R_MIPS_LITERAL: - case R_MIPS_GPREL32: -+ if (h != NULL -+ && (r_type == R_MIPS_GPREL16 || r_type == R_MIPS_GPREL32)) -+ h->non_got_ref = TRUE; -+ - if (SGI_COMPAT (abfd)) - mips_elf_hash_table (info)->compact_rel_size += - sizeof (Elf32_External_crinfo); - break; - -+ case R_MIPS_HI16: -+ case R_MIPS_LO16: -+ if (h != NULL && strcmp (h->root.root.string, "_gp_disp") != 0) -+ h->non_got_ref = TRUE; -+ break; -+ - /* This relocation describes the C++ object vtable hierarchy. - Reconstruct it for later use during GC. */ - case R_MIPS_GNU_VTINHERIT: -@@ -7875,20 +7897,20 @@ _bfd_mips_elf_check_relocs (bfd *abfd, s - - /* We must not create a stub for a symbol that has relocations - related to taking the function's address. This doesn't apply to -- VxWorks, where CALL relocs refer to a .got.plt entry instead of -- a normal .got entry. */ -+ VxWorks or the non-PIC ABI, where CALL relocs refer to a -+ .got.plt entry instead of a normal .got entry. */ - if (!htab->is_vxworks && h != NULL) - switch (r_type) - { -- default: -- ((struct mips_elf_link_hash_entry *) h)->no_fn_stub = TRUE; -- break; - case R_MIPS16_CALL16: - case R_MIPS_CALL16: - case R_MIPS_CALL_HI16: - case R_MIPS_CALL_LO16: - case R_MIPS_JALR: - break; -+ default: -+ ((struct mips_elf_link_hash_entry *) h)->no_fn_stub = TRUE; -+ break; - } - - /* See if this reloc would need to refer to a MIPS16 hard-float stub, -@@ -12601,7 +12623,9 @@ _bfd_mips_elf_merge_private_bfd_data (bf - break; - } - } -- if (null_input_bfd) -+ /* Dynamic objects normally have no sections, and do not reach -+ here - but they might if used as DYNOBJ. */ -+ if (null_input_bfd || (ibfd->flags & DYNAMIC) != 0) - return TRUE; - - ok = TRUE; ---- a/bfd/elfxx-mips.h -+++ b/bfd/elfxx-mips.h -@@ -64,6 +64,9 @@ extern bfd_boolean _bfd_mips_elf_finish_ - extern bfd_boolean _bfd_mips_vxworks_finish_dynamic_symbol - (bfd *, struct bfd_link_info *, struct elf_link_hash_entry *, - Elf_Internal_Sym *); -+extern bfd_boolean _bfd_mips_nonpic_finish_dynamic_symbol -+ (bfd *, struct bfd_link_info *, struct elf_link_hash_entry *, -+ Elf_Internal_Sym *); - extern bfd_boolean _bfd_mips_elf_finish_dynamic_sections - (bfd *, struct bfd_link_info *); - extern void _bfd_mips_elf_final_write_processing -@@ -158,6 +161,15 @@ gprel16_reloc_p (unsigned int r_type) - return r_type == R_MIPS_GPREL16 || r_type == R_MIPS16_GPREL; - } - -+extern bfd_vma _bfd_mips_elf_plt_sym_val -+ (bfd_vma, const asection *, const arelent *); -+extern void _bfd_mips_elf_begin_write_processing -+ (bfd *abfd, struct bfd_link_info *link_info); -+extern bfd_boolean bfd_mips_elf_maybe_create_non_pic_to_pic_stubs_section -+ (struct bfd_link_info *); -+extern void _bfd_mips_post_process_headers -+ (bfd *abfd, struct bfd_link_info *link_info); -+ - #define elf_backend_common_definition _bfd_mips_elf_common_definition - #define elf_backend_name_local_section_symbols \ - _bfd_mips_elf_name_local_section_symbols ---- a/gas/config/tc-mips.c -+++ b/gas/config/tc-mips.c -@@ -1900,6 +1900,12 @@ md_begin (void) - as_bad (_("-G may not be used in position-independent code")); - g_switch_value = 0; - } -+ else if (mips_abicalls) -+ { -+ if (g_switch_seen && g_switch_value != 0) -+ as_bad (_("-G may not be used with abicalls")); -+ g_switch_value = 0; -+ } - - if (! bfd_set_arch_mach (stdoutput, bfd_arch_mips, file_mips_arch)) - as_warn (_("Could not set architecture and machine")); -@@ -11270,6 +11276,7 @@ enum options - OPTION_PDR, - OPTION_NO_PDR, - OPTION_MVXWORKS_PIC, -+ OPTION_NON_PIC_ABICALLS, - #endif /* OBJ_ELF */ - OPTION_END_OF_ENUM - }; -@@ -11377,6 +11384,7 @@ struct option md_longopts[] = - {"mpdr", no_argument, NULL, OPTION_PDR}, - {"mno-pdr", no_argument, NULL, OPTION_NO_PDR}, - {"mvxworks-pic", no_argument, NULL, OPTION_MVXWORKS_PIC}, -+ {"mnon-pic-abicalls", no_argument, NULL, OPTION_NON_PIC_ABICALLS}, - #endif /* OBJ_ELF */ - - {NULL, no_argument, NULL, 0} -@@ -11825,6 +11833,11 @@ md_parse_option (int c, char *arg) - case OPTION_MVXWORKS_PIC: - mips_pic = VXWORKS_PIC; - break; -+ -+ case OPTION_NON_PIC_ABICALLS: -+ mips_pic = NO_PIC; -+ mips_abicalls = TRUE; -+ break; - #endif /* OBJ_ELF */ - - default: |