diff options
Diffstat (limited to 'gas/config/tc-aarch64.c')
| -rw-r--r-- | gas/config/tc-aarch64.c | 56 |
1 files changed, 51 insertions, 5 deletions
diff --git a/gas/config/tc-aarch64.c b/gas/config/tc-aarch64.c index 7b21396..14ffdad 100644 --- a/gas/config/tc-aarch64.c +++ b/gas/config/tc-aarch64.c @@ -61,11 +61,21 @@ static const aarch64_feature_set aarch64_arch_none = AARCH64_ARCH_NONE; /* Pre-defined "_GLOBAL_OFFSET_TABLE_" */ static symbolS *GOT_symbol; +/* Which ABI to use. */ +enum aarch64_abi_type +{ + AARCH64_ABI_LP64 = 0, + AARCH64_ABI_ILP32 = 1 +}; + +/* AArch64 ABI for the output file. */ +static enum aarch64_abi_type aarch64_abi = AARCH64_ABI_LP64; + /* When non-zero, program to a 32-bit model, in which the C data types int, long and all pointer types are 32-bit objects (ILP32); or to a 64-bit model, in which the C int type is 32-bits but the C long type and all pointer types are 64-bit objects (LP64). */ -static int ilp32_p = 0; +#define ilp32_p (aarch64_abi == AARCH64_ABI_ILP32) #endif enum neon_el_type @@ -7090,10 +7100,6 @@ static struct aarch64_option_table aarch64_opts[] = { {"mbig-endian", N_("assemble for big-endian"), &target_big_endian, 1, NULL}, {"mlittle-endian", N_("assemble for little-endian"), &target_big_endian, 0, NULL}, -#ifdef OBJ_ELF - {"mlp64", N_("select the LP64 model"), &ilp32_p, 0, NULL}, - {"milp32", N_("select the ILP32 model"), &ilp32_p, 1, NULL}, -#endif /* OBJ_ELF */ #ifdef DEBUG_AARCH64 {"mdebug-dump", N_("temporary switch for dumping"), &debug_dump, 1, NULL}, #endif /* DEBUG_AARCH64 */ @@ -7312,7 +7318,47 @@ aarch64_parse_arch (char *str) return 0; } +/* ABIs. */ +struct aarch64_option_abi_value_table +{ + char *name; + enum aarch64_abi_type value; +}; + +static const struct aarch64_option_abi_value_table aarch64_abis[] = { + {"ilp32", AARCH64_ABI_ILP32}, + {"lp64", AARCH64_ABI_LP64}, + {NULL, 0} +}; + +static int +aarch64_parse_abi (char *str) +{ + const struct aarch64_option_abi_value_table *opt; + size_t optlen = strlen (str); + + if (optlen == 0) + { + as_bad (_("missing abi name `%s'"), str); + return 0; + } + + for (opt = aarch64_abis; opt->name != NULL; opt++) + if (strlen (opt->name) == optlen && strncmp (str, opt->name, optlen) == 0) + { + aarch64_abi = opt->value; + return 1; + } + + as_bad (_("unknown abi `%s'\n"), str); + return 0; +} + static struct aarch64_long_option_table aarch64_long_opts[] = { +#ifdef OBJ_ELF + {"mabi=", N_("<abi name>\t specify for ABI <abi name>"), + aarch64_parse_abi, NULL}, +#endif /* OBJ_ELF */ {"mcpu=", N_("<cpu name>\t assemble for CPU <cpu name>"), aarch64_parse_cpu, NULL}, {"march=", N_("<arch name>\t assemble for architecture <arch name>"), |