forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
60 lines
1.6 KiB
60 lines
1.6 KiB
// 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; |
|
}
|
|
|