xref: /llvm-project/clang/test/CodeGen/bpf-stack-protector.c (revision 7e6a5fe1603f3f768e299de0bea2cde8bc3c31db)
156b038f8SEduard Zingerman // REQUIRES: bpf-registered-target
256b038f8SEduard Zingerman 
3*7e6a5fe1SDavid Spickett // RUN: %clang -target bpf -S -emit-llvm -o - %s -fno-stack-protector 2>&1 \
4*7e6a5fe1SDavid Spickett // RUN:        | FileCheck -check-prefix=OFF -check-prefix=COMMON %s
556b038f8SEduard Zingerman 
656b038f8SEduard Zingerman // RUN: %clang -target bpf -S -emit-llvm -o - %s -fstack-protector 2>&1 \
7*7e6a5fe1SDavid Spickett // RUN:        | FileCheck -check-prefix=ON -check-prefix=COMMON -check-prefix=WARNING %s
856b038f8SEduard Zingerman 
956b038f8SEduard Zingerman // RUN: %clang -target bpf -S -emit-llvm -o - %s -fstack-protector-all 2>&1 \
10*7e6a5fe1SDavid Spickett // RUN:        | FileCheck -check-prefix=ALL -check-prefix=COMMON -check-prefix=WARNING %s
1156b038f8SEduard Zingerman 
1256b038f8SEduard Zingerman // RUN: %clang -target bpf -S -emit-llvm -o - %s -fstack-protector-strong 2>&1 \
13*7e6a5fe1SDavid Spickett // RUN:        | FileCheck -check-prefix=STRONG -check-prefix=COMMON -check-prefix=WARNING %s
1456b038f8SEduard Zingerman 
1556b038f8SEduard Zingerman typedef __SIZE_TYPE__ size_t;
1656b038f8SEduard Zingerman 
1756b038f8SEduard Zingerman int printf(const char * _Format, ...);
1856b038f8SEduard Zingerman size_t strlen(const char *s);
1956b038f8SEduard Zingerman char *strcpy(char *s1, const char *s2);
2056b038f8SEduard Zingerman 
2156b038f8SEduard Zingerman //     OFF-NOT: warning
2256b038f8SEduard Zingerman //          ON: warning: ignoring '-fstack-protector'
2356b038f8SEduard Zingerman //         ALL: warning: ignoring '-fstack-protector-all'
2456b038f8SEduard Zingerman //      STRONG: warning: ignoring '-fstack-protector-strong'
25*7e6a5fe1SDavid Spickett // WARNING-SAME: option as it is not currently supported for target 'bpf'
2656b038f8SEduard Zingerman 
27183d0750SYonghong Song // COMMON: define {{.*}}void @test1(ptr noundef %{{[0-9a-z]+}}) #[[A:.*]] {
test1(const char * msg)2856b038f8SEduard Zingerman void test1(const char *msg) {
2956b038f8SEduard Zingerman   char a[strlen(msg) + 1];
3056b038f8SEduard Zingerman   strcpy(a, msg);
3156b038f8SEduard Zingerman   printf("%s\n", a);
3256b038f8SEduard Zingerman }
3356b038f8SEduard Zingerman 
3456b038f8SEduard Zingerman // COMMON-NOT: attributes #[[A]] = {{.*}} ssp
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