kernel/tools/perf/arch/sparc/annotate, branch linux-rolling-stable

perf disasm: Add e_machine/e_flags to struct arch

2024-11-09T16:39:13Z

Currently functions like get_dwarf_regnum only work with the host architecture. Carry the elf machine and flags in struct arch so that in disassembly these can be used to allow cross platform disassembly. Reviewed-by: Masami Hiramatsu (Google) Signed-off-by: Ian Rogers Cc: Anup Patel Cc: Yang Jihong Cc: Palmer Dabbelt Cc: David S. Miller Cc: Albert Ou Cc: Shenlin Liang Cc: Nick Terrell Cc: Guilherme Amadio Cc: Steinar H. Gunderson Cc: Changbin Du Cc: Alexander Lobakin Cc: Przemek Kitszel Cc: Huacai Chen Cc: Guo Ren Cc: Masahiro Yamada Cc: Will Deacon Cc: James Clark Cc: Mike Leach Cc: Chen Pei Cc: Leo Yan Cc: Oliver Upton Cc: Aditya Gupta Cc: Kajol Jain Cc: Athira Rajeev Cc: linux-arm-kernel@lists.infradead.org Cc: linux-riscv@lists.infradead.org Cc: Bibo Mao Cc: John Garry Cc: Atish Patra Cc: Dima Kogan Cc: Paul Walmsley Cc: Dr. David Alan Gilbert Cc: linux-csky@vger.kernel.org Link: https://lore.kernel.org/r/20241108234606.429459-5-irogers@google.com Signed-off-by: Namhyung Kim

perf annotate: Add Sparc support

2018-10-18T14:16:38Z

E.g.: $ perf annotate --stdio2 Samples: 7K of event 'cycles:ppp', 4000 Hz, Event count (approx.): 3086733887 __gettimeofday /lib32/libc-2.27.so [Percent: local period] Percent│ │ │ │ Disassembly of section .text: │ │ 000a6fa0 <__gettimeofday@@GLIBC_2.0>: 0.47 │ save %sp, -96, %sp 0.73 │ sethi %hi(0xe9000), %l7 │ → call __frame_state_for@@GLIBC_2.0+0x480 0.30 │ add %l7, 0x58, %l7 ! e9058 1.33 │ mov %i0, %o0 │ mov %i1, %o1 0.43 │ mov 0x74, %g1 │ ta 0x10 88.92 │ ↓ bcc 30 2.95 │ clr %g1 │ neg %o0 │ mov 1, %g1 0.31 │30: cmp %g1, 0 │ bne,pn %icc, a6fe4 <__gettimeofday@@GLIBC_2.0+0x44> │ mov %o0, %i0 1.96 │ ← return %i7 + 8 2.62 │ nop │ sethi %hi(0), %g1 │ neg %o0, %g2 │ add %g1, 0x160, %g1 │ ld [ %l7 + %g1 ], %g1 │ st %g2, [ %g7 + %g1 ] │ ← return %i7 + 8 │ mov -1, %o0 Signed-off-by: David S. Miller Link: http://lkml.kernel.org/r/20181016.205555.1070918198627611771.davem@davemloft.net Signed-off-by: Arnaldo Carvalho de Melo