diff options
Diffstat (limited to 'arch/sparc/include/asm/perf_event.h')
-rw-r--r-- | arch/sparc/include/asm/perf_event.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/perf_event.h b/arch/sparc/include/asm/perf_event.h new file mode 100644 index 000000000..c2aec0c7f --- /dev/null +++ b/arch/sparc/include/asm/perf_event.h @@ -0,0 +1,30 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __ASM_SPARC_PERF_EVENT_H +#define __ASM_SPARC_PERF_EVENT_H + +#ifdef CONFIG_PERF_EVENTS +#include <asm/ptrace.h> + +#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) +#endif + +#endif |