rockbox/lib/mipsunwinder/init_context_32.S
Aidan MacDonald 981e972839 mips: add native backtrace implementation
Should make debugging crashes on native MIPS targets far easier.
This is by no means a 100% complete or robust implementation but
it seems to handle the vast majority of functions.

Change-Id: Id5f430270e02b5092b79026b6876675c784aa649
2022-05-22 07:16:11 -04:00

12 lines
305 B
ArmAsm

#include "mips.h"
.text
.global mips_bt_start
mips_bt_start:
addiu v0, ra, -8
sw v0, 0(a0) /* ctx->pc = ra - 8 */
sw sp, 4(a0) /* ctx->sp = sp */
sw zero, 8(a0) /* ctx->depth = 0 */
sw zero, 12(a0) /* ctx->valid = 0 */
jr ra