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authorliuzhensong <liuzhensong@loongson.cn>2022-02-21 14:28:29 +0800
committerliuzhensong <liuzhensong@loongson.cn>2022-03-20 09:37:12 +0800
commit3b14682a432e61c756ec9ad0b5bf5f8136e2cdce (patch)
treef6902033039cad8bc0a80090702d2c8e149f6145 /gas
parent1848a40fdd134c5579e743d93f1ca9acc0b4b486 (diff)
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LoongArch: Update ABI eflag in elf header.
Update LoongArch ABI eflag in elf header. ilp32s 0x5 ilp32f 0x6 ilp32d 0x7 lp64s 0x1 lp64f 0x2 lp64d 0x3 bfd/ * elfnn-loongarch.c Check object flags while ld. gas/ * tc-loongarch.c Write eflag to elf header. include/elf * loongarch.h Define ABI number.
Diffstat (limited to 'gas')
-rw-r--r--gas/config/tc-loongarch.c46
1 files changed, 20 insertions, 26 deletions
diff --git a/gas/config/tc-loongarch.c b/gas/config/tc-loongarch.c
index 3f7aa99..15fc4fa 100644
--- a/gas/config/tc-loongarch.c
+++ b/gas/config/tc-loongarch.c
@@ -123,7 +123,6 @@ enum options
struct option md_longopts[] =
{
{ "mabi", required_argument, NULL, OPTION_ABI },
- { "mfloat-abi", required_argument, NULL, OPTION_FLOAT_ABI },
{ "mfpu", required_argument, NULL, OPTION_FLOAT_ISA },
@@ -140,35 +139,36 @@ int
md_parse_option (int c, const char *arg)
{
int ret = 1;
+ char lp64[256] = "";
+ char ilp32[256] = "";
+ unsigned char *suf = (unsigned char *)arg;
+
+ lp64['s'] = lp64['S'] = EF_LOONGARCH_ABI_LP64_SOFT_FLOAT;
+ lp64['f'] = lp64['F'] = EF_LOONGARCH_ABI_LP64_SINGLE_FLOAT;
+ lp64['d'] = lp64['D'] = EF_LOONGARCH_ABI_LP64_DOUBLE_FLOAT;
+
+ ilp32['s'] = ilp32['S'] = EF_LOONGARCH_ABI_ILP32_SOFT_FLOAT;
+ ilp32['f'] = ilp32['F'] = EF_LOONGARCH_ABI_ILP32_SINGLE_FLOAT;
+ ilp32['d'] = ilp32['D'] = EF_LOONGARCH_ABI_ILP32_DOUBLE_FLOAT;
+
switch (c)
{
case OPTION_ABI:
- if (strcasecmp (arg, "lp64") == 0)
+ if (strncasecmp (arg, "lp64", 4) == 0 && lp64[suf[4]] != 0)
{
- LARCH_opts.ase_abi |= EF_LOONGARCH_ABI_LP64;
LARCH_opts.ase_ilp32 = 1;
LARCH_opts.ase_lp64 = 1;
+ LARCH_opts.ase_abi = lp64[suf[4]];
}
- else if (strcasecmp (arg, "ilp32") == 0)
+ else if (strncasecmp (arg, "ilp32", 5) == 0 && ilp32[suf[5]] != 0)
{
- LARCH_opts.ase_abi |= EF_LOONGARCH_ABI_ILP32;
+ LARCH_opts.ase_abi = ilp32[suf[5]];
LARCH_opts.ase_ilp32 = 1;
}
else
ret = 0;
break;
- case OPTION_FLOAT_ABI:
- if (strcasecmp (arg, "soft") == 0)
- LARCH_opts.ase_abi |= EF_LOONGARCH_FLOAT_ABI_SOFT;
- else if (strcasecmp (arg, "single") == 0)
- LARCH_opts.ase_abi |= EF_LOONGARCH_FLOAT_ABI_SINGLE;
- else if (strcasecmp (arg, "double") == 0)
- LARCH_opts.ase_abi |= EF_LOONGARCH_FLOAT_ABI_DOUBLE;
- else
- ret = 0;
- break;
-
case OPTION_FLOAT_ISA:
if (strcasecmp (arg, "soft") == 0)
LARCH_opts.ase_nf = 1;
@@ -215,31 +215,25 @@ static struct htab *x_htab = NULL;
void
loongarch_after_parse_args ()
{
- /* Set default ABI/ISA LP64. */
+ /* Set default ABI/ISA LP64D. */
if (!EF_LOONGARCH_IS_LP64(LARCH_opts.ase_abi)
&& !EF_LOONGARCH_IS_ILP32(LARCH_opts.ase_abi))
{
if (strcmp (default_arch, "loongarch64") == 0)
{
- LARCH_opts.ase_abi |= EF_LOONGARCH_ABI_LP64;
+ LARCH_opts.ase_abi = EF_LOONGARCH_ABI_LP64_DOUBLE_FLOAT;
LARCH_opts.ase_ilp32 = 1;
LARCH_opts.ase_lp64 = 1;
}
else if (strcmp (default_arch, "loongarch32") == 0)
{
- LARCH_opts.ase_abi |= EF_LOONGARCH_ABI_ILP32;
+ LARCH_opts.ase_abi = EF_LOONGARCH_ABI_ILP32_DOUBLE_FLOAT;
LARCH_opts.ase_ilp32 = 1;
}
else
as_bad ("unknown default architecture `%s'", default_arch);
}
- /* Set default ABI double-float. */
- if (!EF_LOONGARCH_IS_SOFT_FLOAT(LARCH_opts.ase_abi)
- && !EF_LOONGARCH_IS_SINGLE_FLOAT(LARCH_opts.ase_abi)
- && !EF_LOONGARCH_IS_DOUBLE_FLOAT(LARCH_opts.ase_abi))
- LARCH_opts.ase_abi |= EF_LOONGARCH_FLOAT_ABI_DOUBLE;
-
/* Set default ISA double-float. */
if (!LARCH_opts.ase_nf
&& !LARCH_opts.ase_sf
@@ -1306,5 +1300,5 @@ loongarch_handle_align (fragS *fragp)
void
loongarch_elf_final_processing (void)
{
- elf_elfheader (stdoutput)->e_flags |= LARCH_opts.ase_abi;
+ elf_elfheader (stdoutput)->e_flags = LARCH_opts.ase_abi;
}