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changeset 1081:89cc20cf1ad3

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Fix handling of MMAP_CODE chunks that also have MMAP_PTR_IDX set
author Michael Pavone <pavone@retrodev.com>
date Thu, 06 Oct 2016 09:25:43 -0700
parents 382614130914
children 2ec5e6eaf81d
files backend_x86.c
diffstat 1 files changed, 6 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- a/backend_x86.c	Tue Oct 04 18:30:49 2016 -0700
+++ b/backend_x86.c	Thu Oct 06 09:25:43 2016 -0700
@@ -141,10 +141,15 @@
 				if (opts->address_size != SZ_D) {
 					movzx_rr(code, adr_reg, adr_reg, opts->address_size, SZ_D);
 				}
+				if (is_write && (memmap[chunk].flags & MMAP_CODE)) {
+					push_r(code, adr_reg);
+				}
 				add_rdispr(code, opts->context_reg, opts->mem_ptr_off + sizeof(void*) * memmap[chunk].ptr_index, adr_reg, SZ_PTR);
 				if (is_write) {
 					mov_rrind(code, opts->scratch1, opts->scratch2, size);
-
+					if (memmap[chunk].flags & MMAP_CODE) {
+						pop_r(code, adr_reg);
+					}
 				} else {
 					mov_rindr(code, opts->scratch1, opts->scratch1, size);
 				}