diff options
Diffstat (limited to 'bfd/elf32-xtensa.c')
| -rw-r--r-- | bfd/elf32-xtensa.c | 34 |
1 files changed, 31 insertions, 3 deletions
diff --git a/bfd/elf32-xtensa.c b/bfd/elf32-xtensa.c index 9dc815e..b223424 100644 --- a/bfd/elf32-xtensa.c +++ b/bfd/elf32-xtensa.c @@ -37,6 +37,22 @@ #define XTENSA_NO_NOP_REMOVAL 0 +#ifndef XSHAL_ABI +#define XSHAL_ABI 0 +#endif + +#ifndef XTHAL_ABI_UNDEFINED +#define XTHAL_ABI_UNDEFINED -1 +#endif + +#ifndef XTHAL_ABI_WINDOWED +#define XTHAL_ABI_WINDOWED 0 +#endif + +#ifndef XTHAL_ABI_CALL0 +#define XTHAL_ABI_CALL0 1 +#endif + /* Local helper functions. */ static bfd_boolean add_extra_plt_sections (struct bfd_link_info *, int); @@ -164,6 +180,10 @@ int elf32xtensa_no_literal_movement = 1; bfd_boolean elf32xtensa_separate_props = FALSE; +/* Xtensa ABI. It affects PLT entry code. */ + +int elf32xtensa_abi = XTHAL_ABI_UNDEFINED; + /* Rename one of the generic section flags to better document how it is used here. */ /* Whether relocations have been processed. */ @@ -2247,6 +2267,13 @@ bfd_elf_xtensa_reloc (bfd *abfd, return flag; } +int xtensa_abi_choice (void) +{ + if (elf32xtensa_abi == XTHAL_ABI_UNDEFINED) + return XSHAL_ABI; + else + return elf32xtensa_abi; +} /* Set up an entry in the procedure linkage table. */ @@ -2259,6 +2286,7 @@ elf_xtensa_create_plt_entry (struct bfd_link_info *info, bfd_vma plt_base, got_base; bfd_vma code_offset, lit_offset, abi_offset; int chunk; + int abi = xtensa_abi_choice (); chunk = reloc_index / PLT_ENTRIES_PER_CHUNK; splt = elf_xtensa_get_plt_section (info, chunk); @@ -2279,10 +2307,10 @@ elf_xtensa_create_plt_entry (struct bfd_link_info *info, /* Fill in the entry in the procedure linkage table. */ memcpy (splt->contents + code_offset, (bfd_big_endian (output_bfd) - ? elf_xtensa_be_plt_entry[XSHAL_ABI != XTHAL_ABI_WINDOWED] - : elf_xtensa_le_plt_entry[XSHAL_ABI != XTHAL_ABI_WINDOWED]), + ? elf_xtensa_be_plt_entry[abi != XTHAL_ABI_WINDOWED] + : elf_xtensa_le_plt_entry[abi != XTHAL_ABI_WINDOWED]), PLT_ENTRY_SIZE); - abi_offset = XSHAL_ABI == XTHAL_ABI_WINDOWED ? 3 : 0; + abi_offset = abi == XTHAL_ABI_WINDOWED ? 3 : 0; bfd_put_16 (output_bfd, l32r_offset (got_base + 0, plt_base + code_offset + abi_offset), splt->contents + code_offset + abi_offset + 1); |