diff options
Diffstat (limited to 'core/src')
| -rw-r--r-- | core/src/xmake/binutils/elf/prefix.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/core/src/xmake/binutils/elf/prefix.h b/core/src/xmake/binutils/elf/prefix.h index 49c53c6c7..c26d678d2 100644 --- a/core/src/xmake/binutils/elf/prefix.h +++ b/core/src/xmake/binutils/elf/prefix.h @@ -69,6 +69,14 @@ #define XM_EF_LOONGARCH_ABI_DOUBLE_FLOAT 0x3 #define XM_EF_LOONGARCH_OBJABI_V1 0x40 +// PowerPC64 e_flags: the ELF ABI version is stored in the low 2 bits (see bfd/elf64-ppc.c) +#define XM_EF_PPC64_ABI_V1 0x1 +#define XM_EF_PPC64_ABI_V2 0x2 + +// MIPS e_flags (binutils include/elf/mips.h) +#define XM_EF_MIPS_CPIC 0x00000004 // call-PIC: linkable with both PIC and non-PIC objects +#define XM_EF_MIPS_ABI_O32 0x00001000 // the original 32-bit "o32" ABI + #define XM_ELF_SHT_PROGBITS 0x1 #define XM_ELF_SHT_SYMTAB 0x2 #define XM_ELF_SHT_STRTAB 0x3 @@ -341,6 +349,25 @@ static __tb_inline__ tb_uint32_t xm_binutils_elf_get_flags(tb_char_t const *arch else if (tb_strncmp(arch, "loongarch", 9) == 0 || tb_strncmp(arch, "loong64", 7) == 0) { return XM_EF_LOONGARCH_ABI_DOUBLE_FLOAT | XM_EF_LOONGARCH_OBJABI_V1; } + // PowerPC64: encode the ELF ABI version in e_flags. + // little-endian ppc64le uses the OpenPOWER ELFv2 ABI, big-endian ppc64 uses ELFv1, + // matching the gcc/clang defaults (-mabi=elfv2 on LE, -mabi=elfv1 on BE). + // 32-bit PowerPC does not carry an ABI version (e_flags == 0). + else if (tb_strncmp(arch, "ppc64", 5) == 0 || tb_strncmp(arch, "powerpc64", 9) == 0) { + return xm_binutils_arch_is_bigendian(arch)? XM_EF_PPC64_ABI_V1 : XM_EF_PPC64_ABI_V2; + } + // MIPS: mark the object as CPIC so it links against both PIC and non-PIC objects, and + // tag the 32-bit variants with the o32 ABI to match the common GNU toolchains (n64 is + // implied by ELFCLASS64, so mips64/mips64el carry no ABI bit). the ISA level (top nibble) + // and fp/NaN bits are left at 0 (== "any") on purpose: overclaiming them would make the + // linker reject otherwise-compatible objects. + else if (tb_strncmp(arch, "mips", 4) == 0) { + tb_uint32_t flags = XM_EF_MIPS_CPIC; + if (!xm_binutils_arch_is_64bit(arch)) { + flags |= XM_EF_MIPS_ABI_O32; + } + return flags; + } return 0; } |