c6613bd4a5
Relative path include works in the regular build due to -I paths but may
fail in other situations.
v2. Rebase. Comments on v1 were that we should handle include paths
differently and it is agreed that can be a sensible refactor but
beyond the scope of this change.
https://lore.kernel.org/lkml/20210504191227.793712-1-irogers@google.com/
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: John Garry <john.garry@huawei.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Will Deacon <will@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org
Link: http://lore.kernel.org/lkml/20210923154254.737657-1-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
38 lines
1 KiB
C
38 lines
1 KiB
C
// SPDX-License-Identifier: GPL-2.0
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#include <elfutils/libdwfl.h>
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#include "../../../util/unwind-libdw.h"
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#include "../../../util/perf_regs.h"
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#include "../../../util/event.h"
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bool libdw__arch_set_initial_registers(Dwfl_Thread *thread, void *arg)
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{
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struct unwind_info *ui = arg;
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struct regs_dump *user_regs = &ui->sample->user_regs;
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Dwarf_Word dwarf_regs[PERF_REG_ARM_MAX];
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#define REG(r) ({ \
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Dwarf_Word val = 0; \
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perf_reg_value(&val, user_regs, PERF_REG_ARM_##r); \
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val; \
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})
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dwarf_regs[0] = REG(R0);
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dwarf_regs[1] = REG(R1);
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dwarf_regs[2] = REG(R2);
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dwarf_regs[3] = REG(R3);
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dwarf_regs[4] = REG(R4);
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dwarf_regs[5] = REG(R5);
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dwarf_regs[6] = REG(R6);
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dwarf_regs[7] = REG(R7);
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dwarf_regs[8] = REG(R8);
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dwarf_regs[9] = REG(R9);
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dwarf_regs[10] = REG(R10);
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dwarf_regs[11] = REG(FP);
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dwarf_regs[12] = REG(IP);
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dwarf_regs[13] = REG(SP);
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dwarf_regs[14] = REG(LR);
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dwarf_regs[15] = REG(PC);
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return dwfl_thread_state_registers(thread, 0, PERF_REG_ARM_MAX,
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dwarf_regs);
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}
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