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| author | wtc <devnull@localhost> | 1998-05-07 05:07:25 +0000 |
|---|---|---|
| committer | wtc <devnull@localhost> | 1998-05-07 05:07:25 +0000 |
| commit | d5ecb05e6d8df55f7ea9d43b9f82abccc368bc56 (patch) | |
| tree | ee918e27606294b97eb39a56df79b021431b31bd | |
| parent | c33e67cbbe9cda68559d6c7528d769bf0b3f5baa (diff) | |
| download | nspr-hg-d5ecb05e6d8df55f7ea9d43b9f82abccc368bc56.tar.gz | |
On Alpha Linux, the mmap'd stack needs to be made executable because
setjmp/signal seem to put machine instructions on the stack. This
fix is contributed by gatgul@voicenet.com (Uncle George).
| -rw-r--r-- | pr/src/md/unix/unix.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/pr/src/md/unix/unix.c b/pr/src/md/unix/unix.c index fef2f660..1eaf3163 100644 --- a/pr/src/md/unix/unix.c +++ b/pr/src/md/unix/unix.c @@ -2804,6 +2804,14 @@ from_heap: } prot = PROT_READ|PROT_WRITE; + /* + * On Alpha Linux, the user-level thread stack needs + * to be made executable because longjmp/signal seem + * to put machine instructions on the stack. + */ +#if defined(LINUX) && defined(__alpha) + prot |= PROT_EXEC; +#endif rv = mmap((vaddr != 0) ? vaddr : lastaddr, size, prot, _MD_MMAP_FLAGS, _pr_zero_fd, 0); |