Add warning comment about Mach-O section name hack.

Signed-off-by: Edward Z. Yang <ezyang@mit.edu>

1 files changed, 5 insertions, 0 deletions

diff --git a/rts/Linker.c b/rts/Linker.c
index 4f85498f0c..58cfca684a 100644
--- a/rts/Linker.c
+++ b/rts/Linker.c
@@ -6709,6 +6709,11 @@ static int ocRunInit_MachO ( ObjectCode *oc )
     getProgEnvv(&envc, &envv);
 
     for (i = 0; i < segLC->nsects; i++) {
+        // ToDo: replace this with a proper check for the S_MOD_INIT_FUNC_POINTERS
+        // flag.  We should do this elsewhere in the Mach-O linker code
+        // too.  Note that the system linker will *refuse* to honor
+        // sections which don't have this flag, so this could cause
+        // weird behavior divergence (albeit reproduceable).
         if (0 == strcmp(sections[i].sectname,"__mod_init_func")) {
             char *init_startC = image + sections[i].offset;
             init_t *init = (init_t*)init_startC;