ARM64: Restore fp before sp in C stack unwinders.

Thanks to Peter Cawley. #1096
2023-10-08 21:17:43 +02:00
parent becf5cc65d
commit 007e4dce13
2 changed files with 5 additions and 2 deletions
--- a/src/host/buildvm_peobj.c
+++ b/src/host/buildvm_peobj.c
@@ -373,11 +373,12 @@ void emit_peobj(BuildCtx *ctx)

    /* Unwind codes for .text section with handler. */
    p = uwc;
+    CADD_FP(192);		/* +2 */
    CSAVE_REGS(19, 28, 176);	/* +5*2 */
    CSAVE_FREGS(8, 15, 96);	/* +4*2 */
    CSAVE_FPLR(192);		/* +1 */
    CALLOC_S(208);		/* +1 */
-    CEND_ALIGN;			/* +1 +3 -> 24 */
+    CEND_ALIGN;			/* +1 +1 -> 24 */

    u32 = ((24u >> 2) << 27) | (1u << 20) | (fcofs >> 2);
    owrite(ctx, &u32, 4);