diff options
Diffstat (limited to 'lib/assembly.h')
| -rw-r--r-- | lib/assembly.h | 43 |
1 files changed, 29 insertions, 14 deletions
diff --git a/lib/assembly.h b/lib/assembly.h index 41c24d74ead35..0ce83ac294c89 100644 --- a/lib/assembly.h +++ b/lib/assembly.h @@ -22,33 +22,48 @@ #define SEPARATOR ; #endif -/* We can't use __USER_LABEL_PREFIX__ here, it isn't possible to concatenate the - *values* of two macros. This is quite brittle, though. */ #if defined(__APPLE__) -#define SYMBOL_NAME(name) _##name +#define HIDDEN_DIRECTIVE .private_extern +#define LOCAL_LABEL(name) L_##name #else -#define SYMBOL_NAME(name) name +#define HIDDEN_DIRECTIVE .hidden +#define LOCAL_LABEL(name) .L_##name #endif +#define GLUE2(a, b) a ## b +#define GLUE(a, b) GLUE2(a, b) +#define SYMBOL_NAME(name) GLUE(__USER_LABEL_PREFIX__, name) + #ifdef VISIBILITY_HIDDEN -#define DEFINE_COMPILERRT_FUNCTION(name) \ - .globl SYMBOL_NAME(name) SEPARATOR \ - .private_extern SYMBOL_NAME(name) SEPARATOR \ +#define DEFINE_COMPILERRT_FUNCTION(name) \ + .globl SYMBOL_NAME(name) SEPARATOR \ + HIDDEN_DIRECTIVE SYMBOL_NAME(name) SEPARATOR \ SYMBOL_NAME(name): #else -#define DEFINE_COMPILERRT_FUNCTION(name) \ - .globl SYMBOL_NAME(name) SEPARATOR \ +#define DEFINE_COMPILERRT_FUNCTION(name) \ + .globl SYMBOL_NAME(name) SEPARATOR \ SYMBOL_NAME(name): #endif -#define DEFINE_COMPILERRT_PRIVATE_FUNCTION(name) \ - .globl SYMBOL_NAME(name) SEPARATOR \ - .private_extern SYMBOL_NAME(name) SEPARATOR \ +#define DEFINE_COMPILERRT_PRIVATE_FUNCTION(name) \ + .globl SYMBOL_NAME(name) SEPARATOR \ + HIDDEN_DIRECTIVE SYMBOL_NAME(name) SEPARATOR \ SYMBOL_NAME(name): #define DEFINE_COMPILERRT_PRIVATE_FUNCTION_UNMANGLED(name) \ - .globl name SEPARATOR \ - .private_extern name SEPARATOR \ + .globl name SEPARATOR \ + HIDDEN_DIRECTIVE name SEPARATOR \ name: +#define DEFINE_COMPILERRT_FUNCTION_ALIAS(name, target) \ + .globl SYMBOL_NAME(name) SEPARATOR \ + .set SYMBOL_NAME(name), SYMBOL_NAME(target) SEPARATOR + +#if defined (__ARM_EABI__) +# define DEFINE_AEABI_FUNCTION_ALIAS(aeabi_name, name) \ + DEFINE_COMPILERRT_FUNCTION_ALIAS(aeabi_name, name) +#else +# define DEFINE_AEABI_FUNCTION_ALIAS(aeabi_name, name) +#endif + #endif /* COMPILERRT_ASSEMBLY_H */ |