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authorRoland McGrath <roland@hack.frob.com>2015-08-25 13:37:07 -0700
committerRoland McGrath <roland@hack.frob.com>2015-08-25 13:37:07 -0700
commitf97194930886838796546646e26a49bb5899075b (patch)
tree795c9e0482b2c49c229748327b21bf71fd01b0a0 /sysdeps/nacl
parentd8725b1fba769a89ce2c902a2091d01faa946b66 (diff)
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NaCl: Call __nacl_main in preference to main.
Diffstat (limited to 'sysdeps/nacl')
-rw-r--r--sysdeps/nacl/start.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/sysdeps/nacl/start.c b/sysdeps/nacl/start.c
index a4b6dd33d4..8e8bc1a05e 100644
--- a/sysdeps/nacl/start.c
+++ b/sysdeps/nacl/start.c
@@ -44,6 +44,10 @@
/* The application defines this, of course. */
extern int main (int argc, char **argv, char **envp);
+/* But maybe it defines this too, in which case it takes precedence. */
+extern int __nacl_main (int argc, char **argv, char **envp)
+ __attribute__ ((weak));
+
/* These are defined in libc. */
extern int __libc_csu_init (int argc, char **argv, char **envp);
extern void __libc_csu_fini (void);
@@ -59,7 +63,7 @@ _start (uint32_t info[])
{
/* The generic code actually assumes that envp follows argv. */
- __libc_start_main (&main,
+ __libc_start_main (&__nacl_main ?: &main,
nacl_startup_argc (info),
nacl_startup_argv (info),
nacl_startup_auxv (info),