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Add autoconf check for W^X platforms that require a trampoline table.

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This adds the FFI_EXEC_TRAMPOLINE_TABLE. The flag is enabled for
arm-apple-darwin, where PROT_EXEC on writable (or formerly writable) pages is
not permitted for sandboxed binaries.
This commit is contained in:
Landon Fuller
2010-09-18 18:08:14 -07:00
parent be72fbab29
commit 1ac92cca9b
2 changed files with 8 additions and 0 deletions
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fficonfig.h.in
+3
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@@ -17,6 +17,9 @@
/* Define this if you want extra debugging. */
#undef FFI_DEBUG
/* Cannot use PROT_EXEC on this target, so, we revert to alternative means */
#undef FFI_EXEC_TRAMPOLINE_TABLE
/* Cannot use malloc on this target, so, we revert to alternative means */
#undef FFI_MMAP_EXEC_WRIT