diff options
| author | pbrook <pbrook@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-09-01 23:20:34 +0000 |
|---|---|---|
| committer | pbrook <pbrook@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-09-01 23:20:34 +0000 |
| commit | 96b72f67faabaca6b65650d9d219dc4ede4edd4c (patch) | |
| tree | 87869f482a0d41cc4b399dd2739ad40f6ee686c4 /gcc/config | |
| parent | 55f1f0c387756522b8f0ff0b6e223a13cc3e1a0a (diff) | |
| download | gcc-96b72f67faabaca6b65650d9d219dc4ede4edd4c.tar.gz | |
2008-09-01 Paul Brook <paul@codesourcery.com>
gcc/
* config/arm/arm.c (arm_override_options): Set arm_abi earlier.
Allow Interworking on ARMv4 EABI based targets.
* config/arm/bpabi.h (TARGET_FIX_V4BX_SPEC): Define.
(SUBTARGET_EXTRA_ASM_SPEC, LINK_SPEC): Add TARGET_FIX_V4BX_SPEC.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@139874 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/config')
| -rw-r--r-- | gcc/config/arm/arm.c | 36 | ||||
| -rw-r--r-- | gcc/config/arm/bpabi.h | 6 |
2 files changed, 23 insertions, 19 deletions
diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c index 68f22781eb0..c6128acc2e2 100644 --- a/gcc/config/arm/arm.c +++ b/gcc/config/arm/arm.c @@ -1186,12 +1186,30 @@ arm_override_options (void) tune_flags = all_cores[(int)arm_tune].flags; + if (target_abi_name) + { + for (i = 0; i < ARRAY_SIZE (arm_all_abis); i++) + { + if (streq (arm_all_abis[i].name, target_abi_name)) + { + arm_abi = arm_all_abis[i].abi_type; + break; + } + } + if (i == ARRAY_SIZE (arm_all_abis)) + error ("invalid ABI option: -mabi=%s", target_abi_name); + } + else + arm_abi = ARM_DEFAULT_ABI; + /* Make sure that the processor choice does not conflict with any of the other command line choices. */ if (TARGET_ARM && !(insn_flags & FL_NOTM)) error ("target CPU does not support ARM mode"); - if (TARGET_INTERWORK && !(insn_flags & FL_THUMB)) + /* BPABI targets use linker tricks to allow interworking on cores + without thumb support. */ + if (TARGET_INTERWORK && !((insn_flags & FL_THUMB) || TARGET_BPABI)) { warning (0, "target CPU does not support interworking" ); target_flags &= ~MASK_INTERWORK; @@ -1304,22 +1322,6 @@ arm_override_options (void) if (arm_arch5) target_flags &= ~MASK_INTERWORK; - if (target_abi_name) - { - for (i = 0; i < ARRAY_SIZE (arm_all_abis); i++) - { - if (streq (arm_all_abis[i].name, target_abi_name)) - { - arm_abi = arm_all_abis[i].abi_type; - break; - } - } - if (i == ARRAY_SIZE (arm_all_abis)) - error ("invalid ABI option: -mabi=%s", target_abi_name); - } - else - arm_abi = ARM_DEFAULT_ABI; - if (TARGET_IWMMXT && !ARM_DOUBLEWORD_ALIGN) error ("iwmmxt requires an AAPCS compatible ABI for proper operation"); diff --git a/gcc/config/arm/bpabi.h b/gcc/config/arm/bpabi.h index e28d9ead45e..38be1da261a 100644 --- a/gcc/config/arm/bpabi.h +++ b/gcc/config/arm/bpabi.h @@ -51,9 +51,11 @@ /* The BPABI integer comparison routines return { -1, 0, 1 }. */ #define TARGET_LIB_INT_CMP_BIASED !TARGET_BPABI +#define TARGET_FIX_V4BX_SPEC " %{mcpu=arm8|mcpu=arm810|mcpu=strongarm*|march=armv4:--fix-v4bx}" + /* Tell the assembler to build BPABI binaries. */ #undef SUBTARGET_EXTRA_ASM_SPEC -#define SUBTARGET_EXTRA_ASM_SPEC "%{mabi=apcs-gnu|mabi=atpcs:-meabi=gnu;:-meabi=4}" +#define SUBTARGET_EXTRA_ASM_SPEC "%{mabi=apcs-gnu|mabi=atpcs:-meabi=gnu;:-meabi=4}" TARGET_FIX_V4BX_SPEC #ifndef SUBTARGET_EXTRA_LINK_SPEC #define SUBTARGET_EXTRA_LINK_SPEC "" @@ -63,7 +65,7 @@ #define BPABI_LINK_SPEC \ "%{mbig-endian:-EB} %{mlittle-endian:-EL} " \ "%{static:-Bstatic} %{shared:-shared} %{symbolic:-Bsymbolic} " \ - "-X" SUBTARGET_EXTRA_LINK_SPEC + "-X" SUBTARGET_EXTRA_LINK_SPEC TARGET_FIX_V4BX_SPEC #undef LINK_SPEC #define LINK_SPEC BPABI_LINK_SPEC |