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MIPS: default output r6 obj if the triple is r6

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If the triple is mipsisa32r6* or mipsisa64r6*, ld/as should output
r6 objects by default.
The triples with vendor `img` should do same.

The examples include:
	as xx.s -o xx.o
	ld -r -b binary xx.dat -o xx.o
This commit is contained in:
YunQiang Su 2023-04-18 21:49:22 +08:00
parent 32f1c80375
commit 9171de358f
5 changed files with 30 additions and 2 deletions
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6
bfd/config.bfd
View File

@ -1535,3 +1535,9 @@ case "${targ_defvec} ${targ_selvecs}" in
targ_archs="$targ_archs bfd_iamcu_arch"
;;
esac
case "${targ}" in
mipsisa32r6* | mipsisa64r6* | mips*-img-*)
targ_cflags="$targ_cflags -DMIPS_DEFAULT_R6=1"
;;
esac

4
bfd/elfxx-mips.c
View File

@ -12327,9 +12327,9 @@ mips_set_isa_flags (bfd *abfd)
{
default:
if (ABI_N32_P (abfd) || ABI_64_P (abfd))
val = E_MIPS_ARCH_3;
val = MIPS_DEFAULT_R6 ? E_MIPS_ARCH_64R6 : E_MIPS_ARCH_3;
else
val = E_MIPS_ARCH_1;
val = MIPS_DEFAULT_R6 ? E_MIPS_ARCH_32R6 : E_MIPS_ARCH_1;
break;
case bfd_mach_mips3000:

4
bfd/elfxx-mips.h
View File

@ -29,6 +29,10 @@ enum reloc_check
check_shuffle
};
#ifndef MIPS_DEFAULT_R6
#define MIPS_DEFAULT_R6 0
#endif
extern bool _bfd_mips_elf_mkobject
(bfd *);
extern bool _bfd_mips_elf_close_and_cleanup

9
gas/configure vendored
View File

@ -12211,6 +12211,15 @@ _ACEOF
use_e_mips_abi_o32=1
;;
esac
# If Vendor is IMG, then MIPSr6 is used
case ${target} in
mips*64*-img-*)
mips_cpu=mips64r6
;;
mips*-img-*)
mips_cpu=mips32r6
;;
esac
# Decide whether to generate 32-bit or 64-bit code by default.
# Used to resolve -march=from-abi when an embedded ABI is selected.
case ${target} in

9
gas/configure.ac
View File

@ -380,6 +380,15 @@ changequote([,])dnl
use_e_mips_abi_o32=1
;;
esac
# If Vendor is IMG, then MIPSr6 is used
case ${target} in
mips*64*-img-*)
mips_cpu=mips64r6
;;
mips*-img-*)
mips_cpu=mips32r6
;;
esac
# Decide whether to generate 32-bit or 64-bit code by default.
# Used to resolve -march=from-abi when an embedded ABI is selected.
case ${target} in