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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
| commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
| tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /arch/sparc/include/asm/perf_event.h | |
| parent | Initial commit. (diff) | |
| download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip | |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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 |