1 /// Check that stack frame size warnings behave the same when safe stack is enabled
2
3 // REQUIRES: x86-registered-target
4
5 // RUN: %clang_cc1 %s -fwarn-stack-size=48 -S -o - -triple=i386-apple-darwin 2>&1 | FileCheck --check-prefix=REGULAR %s
6 // RUN: %clang_cc1 %s -fwarn-stack-size=1060 -S -o - -triple=i386-apple-darwin 2>&1 | FileCheck --check-prefix=IGNORE %s
7
8 // RUN: %clang_cc1 %s -fsanitize=safe-stack -fwarn-stack-size=48 -S -o - -triple=i386-apple-darwin 2>&1 | FileCheck --check-prefix=SAFESTACK %s
9 // RUN: %clang_cc1 %s -fsanitize=safe-stack -fwarn-stack-size=1060 -S -o - -triple=i386-apple-darwin 2>&1 | FileCheck --check-prefix=IGNORE %s
10
11 extern void init(char *buf, int size);
12 extern int use_buf(char *buf, int size);
13
14 // REGULAR: warning: stack frame size ([[#]]) exceeds limit ([[#]]) in 'stackSizeWarning'
15 // SAFESTACK: warning: stack frame size ([[#]]) exceeds limit ([[#]]) in 'stackSizeWarning'
16 // IGNORE-NOT: stack frame size ([[#]]) exceeds limit ([[#]]) in 'stackSizeWarning'
stackSizeWarning()17 void stackSizeWarning() {
18 char buf[1024];
19 init(buf, sizeof(buf));
20 if (buf[0] < 42)
21 use_buf(buf, sizeof(buf));
22 }
23