61 lines
1.5 KiB
C
61 lines
1.5 KiB
C
|
// SPDX-License-Identifier: GPL-2.0
|
||
|
|
#include <elfutils/libdwfl.h>
|
||
|
|
#include "../../util/unwind-libdw.h"
|
||
|
|
#include "../../util/perf_regs.h"
|
||
|
|
#include "../../util/event.h"
|
||
|
|
|
||
|
|
bool libdw__arch_set_initial_registers(Dwfl_Thread *thread, void *arg)
|
||
|
|
{
|
||
|
|
struct unwind_info *ui = arg;
|
||
|
|
struct regs_dump *user_regs = &ui->sample->user_regs;
|
||
|
|
Dwarf_Word dwarf_regs[PERF_REG_ARM64_MAX], dwarf_pc;
|
||
|
|
|
||
|
|
#define REG(r) ({ \
|
||
|
|
Dwarf_Word val = 0; \
|
||
|
|
perf_reg_value(&val, user_regs, PERF_REG_ARM64_##r); \
|
||
|
|
val; \
|
||
|
|
})
|
||
|
|
|
||
|
|
dwarf_regs[0] = REG(X0);
|
||
|
|
dwarf_regs[1] = REG(X1);
|
||
|
|
dwarf_regs[2] = REG(X2);
|
||
|
|
dwarf_regs[3] = REG(X3);
|
||
|
|
dwarf_regs[4] = REG(X4);
|
||
|
|
dwarf_regs[5] = REG(X5);
|
||
|
|
dwarf_regs[6] = REG(X6);
|
||
|
|
dwarf_regs[7] = REG(X7);
|
||
|
|
dwarf_regs[8] = REG(X8);
|
||
|
|
dwarf_regs[9] = REG(X9);
|
||
|
|
dwarf_regs[10] = REG(X10);
|
||
|
|
dwarf_regs[11] = REG(X11);
|
||
|
|
dwarf_regs[12] = REG(X12);
|
||
|
|
dwarf_regs[13] = REG(X13);
|
||
|
|
dwarf_regs[14] = REG(X14);
|
||
|
|
dwarf_regs[15] = REG(X15);
|
||
|
|
dwarf_regs[16] = REG(X16);
|
||
|
|
dwarf_regs[17] = REG(X17);
|
||
|
|
dwarf_regs[18] = REG(X18);
|
||
|
|
dwarf_regs[19] = REG(X19);
|
||
|
|
dwarf_regs[20] = REG(X20);
|
||
|
|
dwarf_regs[21] = REG(X21);
|
||
|
|
dwarf_regs[22] = REG(X22);
|
||
|
|
dwarf_regs[23] = REG(X23);
|
||
|
|
dwarf_regs[24] = REG(X24);
|
||
|
|
dwarf_regs[25] = REG(X25);
|
||
|
|
dwarf_regs[26] = REG(X26);
|
||
|
|
dwarf_regs[27] = REG(X27);
|
||
|
|
dwarf_regs[28] = REG(X28);
|
||
|
|
dwarf_regs[29] = REG(X29);
|
||
|
|
dwarf_regs[30] = REG(LR);
|
||
|
|
dwarf_regs[31] = REG(SP);
|
||
|
|
|
||
|
|
if (!dwfl_thread_state_registers(thread, 0, PERF_REG_ARM64_MAX,
|
||
|
|
dwarf_regs))
|
||
|
|
return false;
|
||
|
|
|
||
|
|
dwarf_pc = REG(PC);
|
||
|
|
dwfl_thread_state_register_pc(thread, dwarf_pc);
|
||
|
|
|
||
|
|
return true;
|
||
|
|
}
|