Added stack trashing detection in generic main

AmigaPorts · May 30, 2018 · 88dd170 · 88dd170
1 parent d77771d
commit 88dd170
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Showing 2 changed files with 20 additions and 2 deletions.
diff --git a/include/ace/generic/main.h b/include/ace/generic/main.h
@@ -19,6 +19,24 @@ void genericCreate(void);
 void genericProcess(void);
 void genericDestroy(void);
 
+#if defined(__GNUC__)
+#include <stdint.h>
+
+#if UINT32_MAX == UINTPTR_MAX
+#define STACK_CHK_GUARD 0xe2dee396
+#else
+#define STACK_CHK_GUARD 0x595e9fbd94fda766
+#endif
+
+uintptr_t __stack_chk_guard = STACK_CHK_GUARD;
+
+__attribute__((noreturn))
+void __stack_chk_fail(void) {
+	logWrite("ERR: STACK SMASHED\n");
+	while(1) {}
+}
+#endif
+
 int main(void) {
 	systemCreate();
 	memCreate();

diff --git a/makefile b/makefile
@@ -43,9 +43,9 @@ ifeq ($(ACE_CC), vc)
 	AS_FLAGS = +kick13 -c
 	OBJDUMP =
 else ifeq ($(ACE_CC), m68k-amigaos-gcc)
-	CC_FLAGS_NO_O = $(CC_FLAGS_COMMON) -std=gnu11 -DAMIGA \
-		-noixemul -Wall -Wextra -fomit-frame-pointer
 	CC_FLAGS = $(CC_FLAGS_NO_O) $(TARGET_DEFINES) -O3
+	CC_FLAGS_NO_O = $(CC_FLAGS_COMMON) -std=gnu11 -noixemul -Wall -Wextra \
+		-fomit-frame-pointer -fstack-protector-all
 	#-fverbose-asm
 	ACE_AS = vasmm68k_mot
 	AS_FLAGS = -quiet -x -m68010 -Faout -ID:\prg\kompilatory\bebbo\m68k-amigaos\sys-include