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| author | Doug Nazar <nazard@nazar.ca> | 2019-08-25 14:27:23 -0400 |
|---|---|---|
| committer | Sebastian Dröge <slomo@coaxion.net> | 2019-09-08 07:58:54 +0000 |
| commit | ff9190b1850720a3f4cf72a038b28bcd4c9487cf (patch) | |
| tree | af920eb73aad05c40301722cdda6fa50692905fe /orc/orccodemem.c | |
| parent | 8c7c61d2014a9190fec4c6c97f8a759916ca9fc7 (diff) | |
| download | orc-ff9190b1850720a3f4cf72a038b28bcd4c9487cf.tar.gz | |
orccodemem: Mark exec mapping writable if debugging
gdb needs the mapping to be writable to set breakpoints.
Diffstat (limited to 'orc/orccodemem.c')
| -rw-r--r-- | orc/orccodemem.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/orc/orccodemem.c b/orc/orccodemem.c index 58bc6d1..14aadbd 100644 --- a/orc/orccodemem.c +++ b/orc/orccodemem.c @@ -200,6 +200,10 @@ orc_code_region_allocate_codemem_dual_map (OrcCodeRegion *region, int n; char *filename; mode_t mask; + int exec_prot = PROT_READ | PROT_EXEC; + + if (_orc_compiler_flag_debug) + exec_prot |= PROT_WRITE; filename = malloc (strlen ("/orcexec..") + strlen (dir) + 6 + 1); @@ -224,8 +228,7 @@ orc_code_region_allocate_codemem_dual_map (OrcCodeRegion *region, return FALSE; } - region->exec_ptr = mmap (NULL, SIZE, PROT_READ|PROT_EXEC, - MAP_SHARED, fd, 0); + region->exec_ptr = mmap (NULL, SIZE, exec_prot, MAP_SHARED, fd, 0); if (region->exec_ptr == MAP_FAILED) { ORC_WARNING("failed to create exec map"); close (fd); |