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author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
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committer | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
commit | 1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch) | |
tree | c607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/gcc.c-torture/execute/20001229-1.c | |
parent | 283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff) | |
download | toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2 toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip |
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.c-torture/execute/20001229-1.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.c-torture/execute/20001229-1.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/20001229-1.c b/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/20001229-1.c new file mode 100644 index 000000000..69ce6dab8 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/20001229-1.c @@ -0,0 +1,43 @@ +/* This testcase originally provoked an unaligned access fault on Alpha. + + Since Digital Unix and Linux (and probably others) by default fix + these up in the kernel, the failure was not visible unless one + is sitting at the console examining logs. + + So: If we know how, ask the kernel to deliver SIGBUS instead so + that the test case visibly fails. */ + +#if defined(__alpha__) && defined(__linux__) +#include <asm/sysinfo.h> +#include <asm/unistd.h> + +static inline int +setsysinfo(unsigned long op, void *buffer, unsigned long size, + int *start, void *arg, unsigned long flag) +{ + syscall(__NR_osf_setsysinfo, op, buffer, size, start, arg, flag); +} + +static void __attribute__((constructor)) +trap_unaligned(void) +{ + unsigned int buf[2]; + buf[0] = SSIN_UACPROC; + buf[1] = UAC_SIGBUS | UAC_NOPRINT; + setsysinfo(SSI_NVPAIRS, buf, 1, 0, 0, 0); +} +#endif /* alpha */ + +void foo(char *a, char *b) { } + +void showinfo() +{ + char uname[33] = "", tty[38] = "/dev/"; + foo(uname, tty); +} + +int main() +{ + showinfo (); + exit (0); +} |