64 строки
1.7 KiB
C
64 строки
1.7 KiB
C
#include <linux/kernel.h>
|
|
#include <elfutils/libdwfl.h>
|
|
#include "../../util/unwind-libdw.h"
|
|
#include "../../util/perf_regs.h"
|
|
#include "../../util/event.h"
|
|
#include "dwarf-regs-table.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[ARRAY_SIZE(s390_dwarf_regs)];
|
|
|
|
#define REG(r) ({ \
|
|
Dwarf_Word val = 0; \
|
|
perf_reg_value(&val, user_regs, PERF_REG_S390_##r); \
|
|
val; \
|
|
})
|
|
/*
|
|
* For DWARF register mapping details,
|
|
* see also perf/arch/s390/include/dwarf-regs-table.h
|
|
*/
|
|
dwarf_regs[0] = REG(R0);
|
|
dwarf_regs[1] = REG(R1);
|
|
dwarf_regs[2] = REG(R2);
|
|
dwarf_regs[3] = REG(R3);
|
|
dwarf_regs[4] = REG(R4);
|
|
dwarf_regs[5] = REG(R5);
|
|
dwarf_regs[6] = REG(R6);
|
|
dwarf_regs[7] = REG(R7);
|
|
dwarf_regs[8] = REG(R8);
|
|
dwarf_regs[9] = REG(R9);
|
|
dwarf_regs[10] = REG(R10);
|
|
dwarf_regs[11] = REG(R11);
|
|
dwarf_regs[12] = REG(R12);
|
|
dwarf_regs[13] = REG(R13);
|
|
dwarf_regs[14] = REG(R14);
|
|
dwarf_regs[15] = REG(R15);
|
|
|
|
dwarf_regs[16] = REG(FP0);
|
|
dwarf_regs[17] = REG(FP2);
|
|
dwarf_regs[18] = REG(FP4);
|
|
dwarf_regs[19] = REG(FP6);
|
|
dwarf_regs[20] = REG(FP1);
|
|
dwarf_regs[21] = REG(FP3);
|
|
dwarf_regs[22] = REG(FP5);
|
|
dwarf_regs[23] = REG(FP7);
|
|
dwarf_regs[24] = REG(FP8);
|
|
dwarf_regs[25] = REG(FP10);
|
|
dwarf_regs[26] = REG(FP12);
|
|
dwarf_regs[27] = REG(FP14);
|
|
dwarf_regs[28] = REG(FP9);
|
|
dwarf_regs[29] = REG(FP11);
|
|
dwarf_regs[30] = REG(FP13);
|
|
dwarf_regs[31] = REG(FP15);
|
|
|
|
dwarf_regs[64] = REG(MASK);
|
|
dwarf_regs[65] = REG(PC);
|
|
|
|
dwfl_thread_state_register_pc(thread, dwarf_regs[65]);
|
|
return dwfl_thread_state_registers(thread, 0, 32, dwarf_regs);
|
|
}
|