diff options
| -rw-r--r-- | src/loongarch64/Gresume.c | 41 |
1 files changed, 17 insertions, 24 deletions
diff --git a/src/loongarch64/Gresume.c b/src/loongarch64/Gresume.c index 66ce277c..d669daa5 100644 --- a/src/loongarch64/Gresume.c +++ b/src/loongarch64/Gresume.c @@ -41,32 +41,25 @@ loongarch64_local_resume (unw_addr_space_t as, unw_cursor_t *cursor, void *arg) { /* Since there are no signals involved here we restore EH and non scratch registers only. */ - unsigned long sp = uc->uc_mcontext.__gregs[3]; - unsigned long ra = uc->uc_mcontext.__gregs[1]; - + register void *gregs asm("$t0") = uc->uc_mcontext.__gregs; asm volatile ( - "move $t0, %0\n" - "move $t1, %1\n" - "move $t2, %2\n" - "ld.d $fp, $t0, 22*8\n" - "ld.d $s0, $t0, 23*8\n" - "ld.d $s1, $t0, 24*8\n" - "ld.d $s2, $t0, 25*8\n" - "ld.d $s3, $t0, 26*8\n" - "ld.d $s4, $t0, 27*8\n" - "ld.d $s5, $t0, 28*8\n" - "ld.d $s6, $t0, 29*8\n" - "ld.d $s7, $t0, 30*8\n" - "ld.d $s8, $t0, 31*8\n" - "move $ra, $t2\n" - "move $sp, $t1\n" - "jirl $r0, $ra, 0\n" + "ld.d $ra, %0, 8\n" + "ld.d $sp, %0, 3*8\n" + "ld.d $fp, %0, 22*8\n" + "ld.d $s0, %0, 23*8\n" + "ld.d $s1, %0, 24*8\n" + "ld.d $s2, %0, 25*8\n" + "ld.d $s3, %0, 26*8\n" + "ld.d $s4, %0, 27*8\n" + "ld.d $s5, %0, 28*8\n" + "ld.d $s6, %0, 29*8\n" + "ld.d $s7, %0, 30*8\n" + "ld.d $s8, %0, 31*8\n" + "jr $ra\n" : - : "r" (uc->uc_mcontext.__gregs), - "r" (sp), - "r" (ra) - : "$t0", "$t1", "$t2", "memory" + : "r" (gregs) ); + unreachable(); } else /* c->sigcontext_format == LOONGARCH64_SCF_LINUX_RT_SIGFRAME */ { @@ -82,7 +75,7 @@ loongarch64_local_resume (unw_addr_space_t as, unw_cursor_t *cursor, void *arg) asm volatile ( "move $sp, %0\n" - "jirl $r0, %1, 0\n" + "jr %1\n" : : "r" (c->sigcontext_sp), "r" (c->sigcontext_pc) ); } |