? ".rodata" \
: (abort (), ""))
+/* The ABI to use. */
+enum mips_abi_level
+{
+ NO_ABI = 0,
+ O32_ABI,
+ O64_ABI,
+ N32_ABI,
+ N64_ABI,
+ EABI_ABI
+};
+
+/* MIPS ABI we are using for this output file. */
+static enum mips_abi_level file_mips_abi = NO_ABI;
+
/* This is the set of options which may be modified by the .set
pseudo-op. We use a struct so that .set push and .set pop are more
reliable. */
/* Non-zero if we should not autoextend mips16 instructions.
Changed by `.set autoextend' and `.set noautoextend'. */
int noautoextend;
+ /* Restrict general purpose registers and floating point registers
+ to 32 bit. This is initially determined when -mgp32 or -mfp32
+ is passed but can changed if the assembler code uses .set mipsN. */
+ int gp32;
+ int fp32;
+ /* The ABI currently in use. This is changed by .set mipsN to loosen
+ restrictions and doesn't affect the whole file. */
+ enum mips_abi_level abi;
};
+/* True if -mgp32 was passed. */
+static int file_mips_gp32 = 0;
+
+/* True if -mfp32 was passed. */
+static int file_mips_fp32 = 0;
+
/* This is the struct we use to hold the current set of options. Note
that we must set the isa field to ISA_UNKNOWN and the mips16 field to
-1 to indicate that they have not been initialized. */
static struct mips_set_options mips_opts =
{
- ISA_UNKNOWN, -1, 0, 0, 0, 0, 0, 0
+ ISA_UNKNOWN, -1, 0, 0, 0, 0, 0, 0, 0, 0, NO_ABI
};
/* These variables are filled in with the masks of registers used.
are optimizing. */
static int mips_tune = CPU_UNKNOWN;
-/* The ABI to use. */
-enum mips_abi_level
-{
- NO_ABI = 0,
- O32_ABI,
- O64_ABI,
- N32_ABI,
- N64_ABI,
- EABI_ABI
-};
-
-static enum mips_abi_level mips_abi = NO_ABI;
-
/* Whether we should mark the file EABI64 or EABI32. */
static int mips_eabi64 = 0;
mips3 or greater, then mark the object file 32BITMODE. */
static int mips_32bitmode = 0;
-/* True if -mgp32 was passed. */
-static int mips_gp32 = 0;
-
-/* True if -mfp32 was passed. */
-static int mips_fp32 = 0;
-
/* Some ISA's have delay slots for instructions which read or write
from a coprocessor (eg. mips1-mips3); some don't (eg mips4).
Return true if instructions marked INSN_LOAD_COPROC_DELAY,
)
#define HAVE_32BIT_GPRS \
- (mips_gp32 \
- || mips_abi == O32_ABI \
+ (mips_opts.gp32 \
+ || mips_opts.abi == O32_ABI \
|| ! ISA_HAS_64BIT_REGS (mips_opts.isa))
#define HAVE_32BIT_FPRS \
- (mips_fp32 \
- || mips_abi == O32_ABI \
+ (mips_opts.fp32 \
+ || mips_opts.abi == O32_ABI \
|| ! ISA_HAS_64BIT_REGS (mips_opts.isa))
#define HAVE_64BIT_GPRS (! HAVE_32BIT_GPRS)
#define HAVE_64BIT_FPRS (! HAVE_32BIT_FPRS)
-#define HAVE_NEWABI (mips_abi == N32_ABI || mips_abi == N64_ABI)
+#define HAVE_NEWABI (mips_opts.abi == N32_ABI || mips_opts.abi == N64_ABI)
-#define HAVE_64BIT_OBJECTS (mips_abi == N64_ABI)
+#define HAVE_64BIT_OBJECTS (mips_opts.abi == N64_ABI)
/* We can only have 64bit addresses if the object file format
supports it. */
to change the ISA with directives. This isn't really
the best, but then neither is basing the abi on the isa. */
if (ISA_HAS_64BIT_REGS (mips_opts.isa)
- && mips_abi == EABI_ABI)
+ && mips_opts.abi == EABI_ABI)
mips_eabi64 = 1;
/* If they asked for mips1 or mips2 and a cpu that is
as_warn (_("Could not set architecture and machine"));
file_mips_isa = mips_opts.isa;
+ file_mips_abi = mips_opts.abi;
+ mips_opts.gp32 = file_mips_gp32;
+ mips_opts.fp32 = file_mips_fp32;
op_hash = hash_new ();
/* The -32 and -64 options tell the assembler to output the 32
bit or the 64 bit MIPS ELF format. */
case OPTION_32:
- mips_abi = O32_ABI;
+ mips_opts.abi = O32_ABI;
break;
case OPTION_N32:
- mips_abi = N32_ABI;
+ mips_opts.abi = N32_ABI;
break;
case OPTION_64:
- mips_abi = N64_ABI;
+ mips_opts.abi = N64_ABI;
if (! support_64bit_objects())
as_fatal (_("No compiled in support for 64 bit object file format"));
break;
case OPTION_GP32:
- mips_gp32 = 1;
- if (mips_abi != O32_ABI)
- mips_abi = NO_ABI;
+ file_mips_gp32 = 1;
+ if (mips_opts.abi != O32_ABI)
+ mips_opts.abi = NO_ABI;
break;
case OPTION_GP64:
- mips_gp32 = 0;
- if (mips_abi == O32_ABI)
- mips_abi = NO_ABI;
+ file_mips_gp32 = 0;
+ if (mips_opts.abi == O32_ABI)
+ mips_opts.abi = NO_ABI;
break;
case OPTION_FP32:
- mips_fp32 = 1;
- if (mips_abi != O32_ABI)
- mips_abi = NO_ABI;
+ file_mips_fp32 = 1;
+ if (mips_opts.abi != O32_ABI)
+ mips_opts.abi = NO_ABI;
break;
case OPTION_MABI:
if (strcmp (arg, "32") == 0)
- mips_abi = O32_ABI;
+ mips_opts.abi = O32_ABI;
else if (strcmp (arg, "o64") == 0)
- mips_abi = O64_ABI;
+ mips_opts.abi = O64_ABI;
else if (strcmp (arg, "n32") == 0)
- mips_abi = N32_ABI;
+ mips_opts.abi = N32_ABI;
else if (strcmp (arg, "64") == 0)
{
- mips_abi = N64_ABI;
+ mips_opts.abi = N64_ABI;
if (! support_64bit_objects())
as_fatal (_("No compiled in support for 64 bit object file "
"format"));
}
else if (strcmp (arg, "eabi") == 0)
- mips_abi = EABI_ABI;
+ mips_opts.abi = EABI_ABI;
else
- mips_abi = NO_ABI;
+ mips_opts.abi = NO_ABI;
break;
#endif /* OBJ_ELF */
else if (strncmp (name, "mips", 4) == 0)
{
int isa;
- static int saved_mips_gp32;
- static int saved_mips_fp32;
- static enum mips_abi_level saved_mips_abi;
- static int is_saved;
/* Permit the user to change the ISA on the fly. Needless to
say, misuse can cause serious problems. */
switch (isa)
{
case 0:
- mips_gp32 = saved_mips_gp32;
- mips_fp32 = saved_mips_fp32;
- mips_abi = saved_mips_abi;
- is_saved = 0;
+ mips_opts.gp32 = file_mips_gp32;
+ mips_opts.fp32 = file_mips_fp32;
+ mips_opts.abi = file_mips_abi;
break;
case 1:
case 2:
case 32:
- if (! is_saved)
- {
- saved_mips_gp32 = mips_gp32;
- saved_mips_fp32 = mips_fp32;
- saved_mips_abi = mips_abi;
- }
- mips_gp32 = 1;
- mips_fp32 = 1;
- is_saved = 1;
+ mips_opts.gp32 = 1;
+ mips_opts.fp32 = 1;
break;
case 3:
case 4:
case 5:
case 64:
- if (! is_saved)
- {
- saved_mips_gp32 = mips_gp32;
- saved_mips_fp32 = mips_fp32;
- saved_mips_abi = mips_abi;
- }
- mips_gp32 = 0;
- mips_fp32 = 0;
- mips_abi = NO_ABI;
- is_saved = 1;
+ /* Loosen ABI register width restriction. */
+ if (mips_opts.abi == O32_ABI)
+ mips_opts.abi = NO_ABI;
+ mips_opts.gp32 = 0;
+ mips_opts.fp32 = 0;
break;
default:
- as_bad (_("unknown ISA level"));
+ as_bad (_("unknown ISA level %s"), name + 4);
break;
}
case 5: mips_opts.isa = ISA_MIPS5; break;
case 32: mips_opts.isa = ISA_MIPS32; break;
case 64: mips_opts.isa = ISA_MIPS64; break;
- default: as_bad (_("unknown ISA level")); break;
+ default: as_bad (_("unknown ISA level %s"), name + 4); break;
}
}
else if (strcmp (name, "autoextend") == 0)
elf_elfheader (stdoutput)->e_flags |= EF_MIPS_PIC;
/* Set the MIPS ELF ABI flags. */
- if (mips_abi == NO_ABI)
+ if (file_mips_abi == NO_ABI)
;
- else if (mips_abi == O32_ABI)
+ else if (file_mips_abi == O32_ABI)
elf_elfheader (stdoutput)->e_flags |= E_MIPS_ABI_O32;
- else if (mips_abi == O64_ABI)
+ else if (file_mips_abi == O64_ABI)
elf_elfheader (stdoutput)->e_flags |= E_MIPS_ABI_O64;
- else if (mips_abi == EABI_ABI)
+ else if (file_mips_abi == EABI_ABI)
{
if (mips_eabi64)
elf_elfheader (stdoutput)->e_flags |= E_MIPS_ABI_EABI64;
else
elf_elfheader (stdoutput)->e_flags |= E_MIPS_ABI_EABI32;
}
- else if (mips_abi == N32_ABI)
+ else if (file_mips_abi == N32_ABI)
elf_elfheader (stdoutput)->e_flags |= EF_MIPS_ABI2;
/* Nothing to do for "64". */
projects / binutils-gdb.git / commitdiff