mirror of
https://github.com/freebsd/freebsd-src
synced 2024-10-19 06:44:31 +00:00
Update the gdb register extraction support to use the pcb wherever
possible, like on i386. Registers are handled differently for caller vs callee saved registers.
This commit is contained in:
parent
1114f4f9a2
commit
a649898dd8
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=138212
|
@ -36,39 +36,46 @@ __FBSDID("$FreeBSD$");
|
|||
|
||||
#include <machine/frame.h>
|
||||
#include <machine/gdb_machdep.h>
|
||||
#include <machine/pcb.h>
|
||||
#include <machine/psl.h>
|
||||
#include <machine/reg.h>
|
||||
#include <machine/trap.h>
|
||||
#include <machine/frame.h>
|
||||
#include <machine/endian.h>
|
||||
|
||||
#include <gdb/gdb.h>
|
||||
|
||||
void *
|
||||
gdb_cpu_getreg(int regnum, size_t *regsz)
|
||||
{
|
||||
struct trapframe *tf = kdb_frame;
|
||||
|
||||
*regsz = gdb_cpu_regsz(regnum);
|
||||
|
||||
if (kdb_thread == curthread) {
|
||||
switch (regnum) {
|
||||
case 0: return (&kdb_frame->tf_rax);
|
||||
case 2: return (&kdb_frame->tf_rcx);
|
||||
case 3: return (&kdb_frame->tf_rdx);
|
||||
case 4: return (&kdb_frame->tf_rsi);
|
||||
case 5: return (&kdb_frame->tf_rdi);
|
||||
case 8: return (&kdb_frame->tf_r8);
|
||||
case 9: return (&kdb_frame->tf_r9);
|
||||
case 10: return (&kdb_frame->tf_r10);
|
||||
case 11: return (&kdb_frame->tf_r11);
|
||||
case 18: return (&kdb_frame->tf_cs);
|
||||
case 19: return (&kdb_frame->tf_ss);
|
||||
}
|
||||
}
|
||||
switch (regnum) {
|
||||
case 0: return (&tf->tf_rax);
|
||||
case 1: return (&tf->tf_rbx);
|
||||
case 2: return (&tf->tf_rcx);
|
||||
case 3: return (&tf->tf_rdx);
|
||||
case 4: return (&tf->tf_rsi);
|
||||
case 5: return (&tf->tf_rdi);
|
||||
case 6: return (&tf->tf_rbp);
|
||||
case 7: return (&tf->tf_rsp);
|
||||
case 8: return (&tf->tf_r8);
|
||||
case 9: return (&tf->tf_r9);
|
||||
case 10: return (&tf->tf_r10);
|
||||
case 11: return (&tf->tf_r11);
|
||||
case 12: return (&tf->tf_r12);
|
||||
case 13: return (&tf->tf_r13);
|
||||
case 14: return (&tf->tf_r14);
|
||||
case 15: return (&tf->tf_r15);
|
||||
case 16: return (&tf->tf_rip);
|
||||
case 17: return (&tf->tf_rflags);
|
||||
case 18: return (&tf->tf_cs);
|
||||
case 19: return (&tf->tf_ss);
|
||||
case 1: return (&kdb_thrctx->pcb_rbx);
|
||||
case 6: return (&kdb_thrctx->pcb_rbp);
|
||||
case 7: return (&kdb_thrctx->pcb_rsp);
|
||||
case 12: return (&kdb_thrctx->pcb_r12);
|
||||
case 13: return (&kdb_thrctx->pcb_r13);
|
||||
case 14: return (&kdb_thrctx->pcb_r14);
|
||||
case 15: return (&kdb_thrctx->pcb_r15);
|
||||
case 16: return (&kdb_thrctx->pcb_rip);
|
||||
case 17: return (&kdb_thrctx->pcb_rflags);
|
||||
}
|
||||
return (NULL);
|
||||
}
|
||||
|
@ -76,9 +83,12 @@ gdb_cpu_getreg(int regnum, size_t *regsz)
|
|||
void
|
||||
gdb_cpu_setreg(int regnum, register_t val)
|
||||
{
|
||||
struct trapframe *tf = kdb_frame;
|
||||
|
||||
val = __bswap64(val);
|
||||
switch (regnum) {
|
||||
case GDB_REG_PC: tf->tf_rip = val; break;
|
||||
case GDB_REG_PC:
|
||||
kdb_thrctx->pcb_rip = val;
|
||||
if (kdb_thread == curthread)
|
||||
kdb_frame->tf_rip = val;
|
||||
}
|
||||
}
|
||||
|
|
Loading…
Reference in a new issue