b11287e8c5
After b0f82b81fe ("perf: Drop the skip
argument from perf_arch_fetch_regs_caller") the build broke on sparc64
due to the lack of a module symbol export of __perf_arch_fetch_caller_regs.
But that assembler helper can actually be complete eliminated now that
the semantics of this interface have been greatly simplified.
Signed-off-by: David S. Miller <davem@davemloft.net>
37 lines
936 B
C
37 lines
936 B
C
#ifndef __ASM_SPARC_PERF_EVENT_H
|
|
#define __ASM_SPARC_PERF_EVENT_H
|
|
|
|
extern void set_perf_event_pending(void);
|
|
|
|
#define PERF_EVENT_INDEX_OFFSET 0
|
|
|
|
#ifdef CONFIG_PERF_EVENTS
|
|
#include <asm/ptrace.h>
|
|
|
|
extern void init_hw_perf_events(void);
|
|
|
|
#define perf_arch_fetch_caller_regs(regs, ip) \
|
|
do { \
|
|
unsigned long _pstate, _asi, _pil, _i7, _fp; \
|
|
__asm__ __volatile__("rdpr %%pstate, %0\n\t" \
|
|
"rd %%asi, %1\n\t" \
|
|
"rdpr %%pil, %2\n\t" \
|
|
"mov %%i7, %3\n\t" \
|
|
"mov %%i6, %4\n\t" \
|
|
: "=r" (_pstate), \
|
|
"=r" (_asi), \
|
|
"=r" (_pil), \
|
|
"=r" (_i7), \
|
|
"=r" (_fp)); \
|
|
(regs)->tstate = (_pstate << 8) | \
|
|
(_asi << 24) | (_pil << 20); \
|
|
(regs)->tpc = (ip); \
|
|
(regs)->tnpc = (regs)->tpc + 4; \
|
|
(regs)->u_regs[UREG_I6] = _fp; \
|
|
(regs)->u_regs[UREG_I7] = _i7; \
|
|
} while (0)
|
|
#else
|
|
static inline void init_hw_perf_events(void) { }
|
|
#endif
|
|
|
|
#endif
|