freebsd-dev/contrib/gcc/config/sparc/sun4o3.h
1999-10-16 06:09:09 +00:00

30 lines
840 B
C

#include "sparc/sparc.h"
/* Override the name of the mcount profiling function. */
#undef MCOUNT_FUNCTION
#define MCOUNT_FUNCTION "*.mcount"
/* LINK_SPEC is needed only for SunOS 4. */
#undef LINK_SPEC
/* Override MACHINE_STATE_{SAVE,RESTORE} because we have special
traps available which can get and set the condition codes
reliably. */
#undef MACHINE_STATE_SAVE
#define MACHINE_STATE_SAVE(ID) \
unsigned long int ms_flags, ms_saveret; \
asm volatile("ta 0x20\n\t" \
"mov %%g1, %0\n\t" \
"mov %%g2, %1\n\t" \
: "=r" (ms_flags), "=r" (ms_saveret));
#undef MACHINE_STATE_RESTORE
#define MACHINE_STATE_RESTORE(ID) \
asm volatile("mov %0, %%g1\n\t" \
"mov %1, %%g2\n\t" \
"ta 0x21\n\t" \
: /* no outputs */ \
: "r" (ms_flags), "r" (ms_saveret));