diff options
Diffstat (limited to 'gas/config/tc-aarch64.c')
| -rw-r--r-- | gas/config/tc-aarch64.c | 30 |
1 files changed, 27 insertions, 3 deletions
diff --git a/gas/config/tc-aarch64.c b/gas/config/tc-aarch64.c index 72b98fd..cdb2903 100644 --- a/gas/config/tc-aarch64.c +++ b/gas/config/tc-aarch64.c @@ -62,12 +62,20 @@ static symbolS *GOT_symbol; /* Which ABI to use. */ enum aarch64_abi_type { - AARCH64_ABI_LP64 = 0, - AARCH64_ABI_ILP32 = 1 + AARCH64_ABI_NONE = 0, + AARCH64_ABI_LP64 = 1, + AARCH64_ABI_ILP32 = 2 }; +#ifndef DEFAULT_ARCH +#define DEFAULT_ARCH "aarch64" +#endif + +/* DEFAULT_ARCH is initialized in gas/configure.tgt. */ +static const char *default_arch = DEFAULT_ARCH; + /* AArch64 ABI for the output file. */ -static enum aarch64_abi_type aarch64_abi = AARCH64_ABI_LP64; +static enum aarch64_abi_type aarch64_abi = AARCH64_ABI_NONE; /* 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 @@ -7975,6 +7983,22 @@ aarch64_force_relocation (struct fix *fixp) #ifdef OBJ_ELF +/* Implement md_after_parse_args. This is the earliest time we need to decide + ABI. If no -mabi specified, the ABI will be decided by target triplet. */ + +void +aarch64_after_parse_args (void) +{ + if (aarch64_abi != AARCH64_ABI_NONE) + return; + + /* DEFAULT_ARCH will have ":32" extension if it's configured for ILP32. */ + if (strlen (default_arch) > 7 && strcmp (default_arch + 7, ":32") == 0) + aarch64_abi = AARCH64_ABI_ILP32; + else + aarch64_abi = AARCH64_ABI_LP64; +} + const char * elf64_aarch64_target_format (void) { |