diff options
Diffstat (limited to 'gcc/config/arm/arm.h')
| -rw-r--r-- | gcc/config/arm/arm.h | 28 |
1 files changed, 22 insertions, 6 deletions
diff --git a/gcc/config/arm/arm.h b/gcc/config/arm/arm.h index 364b04ab884..d371659547d 100644 --- a/gcc/config/arm/arm.h +++ b/gcc/config/arm/arm.h @@ -301,7 +301,6 @@ extern GTY(()) rtx aof_pic_label; #define TARGET_HARD_TP (target_thread_pointer == TP_CP15) #define TARGET_SOFT_TP (target_thread_pointer == TP_SOFT) -#define TARGET_LINUX_TP (target_thread_pointer == TP_LINUX) /* True iff the full BPABI is being used. If TARGET_BPABI is true, then TARGET_AAPCS_BASED must be true -- but the converse does not @@ -511,8 +510,7 @@ extern enum arm_abi_type arm_abi; /* Which thread pointer access sequence to use. */ enum arm_tp_type { TP_SOFT, - TP_CP15, - TP_LINUX + TP_CP15 }; extern enum arm_tp_type target_thread_pointer; @@ -1725,14 +1723,15 @@ typedef struct machine_function GTY(()) register is needed to preserve stack alignment. */ int sibcall_blocked; /* Labels for per-function Thumb call-via stubs. One per potential calling - register. We can never call via SP, LR or PC. */ - rtx call_via[13]; + register. We can never call via LR or PC. We can call via SP if a + trampoline happens to be on the top of the stack. */ + rtx call_via[14]; } machine_function; /* As in the machine_function, a global set of call-via labels, for code that is in text_section(). */ -extern GTY(()) rtx thumb_call_via_label[13]; +extern GTY(()) rtx thumb_call_via_label[14]; /* A C type for declaring a variable that is used as the first argument of `FUNCTION_ARG' and other related values. For some target machines, the @@ -2038,6 +2037,16 @@ typedef struct /* Alignment required for a trampoline in bits. */ #define TRAMPOLINE_ALIGNMENT 32 +/* Call __clear_cache after setting up the trampoline unless this is a nop. */ +#ifdef CLEAR_INSN_CACHE +#define ARM_EMIT_TRAMPOLINE_CACHE_CLEAR(TRAMP) \ + emit_library_call (gen_rtx_SYMBOL_REF (Pmode, "__clear_cache"), \ + 0, VOIDmode, 2, TRAMP, Pmode, \ + plus_constant (TRAMP, TRAMPOLINE_SIZE), Pmode); +#else +#define ARM_EMIT_TRAMPOLINE_CACHE_CLEAR(TRAMP) do {} while (0) +#endif + /* Emit RTL insns to initialize the variable parts of a trampoline. FNADDR is an RTX for the address of the function's pure code. CXT is an RTX for the static chain value for the function. */ @@ -2052,6 +2061,7 @@ typedef struct plus_constant (TRAMP, \ TARGET_ARM ? 12 : 20)), \ FNADDR); \ + ARM_EMIT_TRAMPOLINE_CACHE_CLEAR (TRAMP); \ } #endif @@ -2218,6 +2228,12 @@ typedef struct # endif /* !defined (__ARM_EABI__) */ #endif /* !defined (IN_LIBCC2) */ +/* True if the operating system can merge entities with vague linkage + (e.g., symbols in COMDAT group) during dynamic linking. */ +#ifndef TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P +#define TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P true +#endif + #define ARM_DECLARE_FUNCTION_SIZE(STREAM, NAME, DECL) \ arm_encode_call_attribute (DECL, SHORT_CALL_FLAG_CHAR) |