aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/i386/init-first.c
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/i386/init-first.c')
-rw-r--r--sysdeps/i386/init-first.c45
1 files changed, 32 insertions, 13 deletions
diff --git a/sysdeps/i386/init-first.c b/sysdeps/i386/init-first.c
index aa36732f60..792702e024 100644
--- a/sysdeps/i386/init-first.c
+++ b/sysdeps/i386/init-first.c
@@ -20,26 +20,45 @@ Cambridge, MA 02139, USA. */
#include <unistd.h>
extern void __libc_init (int, char **, char **);
+extern void __libc_global_ctors (void);
+
+
+static void
+init (int *data)
+{
+ int argc = *data;
+ char **argv = (void *) (data + 1);
+ char **envp = &argv[argc + 1];
+
+ __environ = envp;
+ __libc_init (argc, argv, envp);
+}
#ifdef PIC
-static void soinit (int argc, char *arg0, ...)
- __attribute__ ((unused, section (".init")));
+/* This function is called to initialize the shared C library.
+ It is called just before the user _start code from i386/elf/start.S,
+ with the stack set up as that code gets it. */
+
+/* NOTE! The linker notices the magical name `_init' and sets the DT_INIT
+ pointer in the dynamic section based solely on that. It is convention
+ for this function to be in the `.init' section, but the symbol name is
+ the only thing that really matters!! */
+/*void _init (int argc, ...) __attribute__ ((unused, section (".init")));*/
void
-__libc_init_first (void)
+_init (int argc, ...)
{
+ init (&argc);
+
+ __libc_global_ctors ();
}
#endif
-#ifdef PIC
-static void soinit
-#else
-void __libc_init_first
-#endif
-(int argc, char *arg0, ...)
-{
- char **argv = &arg0, **envp = &argv[argc + 1];
- __environ = envp;
- __libc_init (argc, argv, envp);
+void
+__libc_init_first (int argc __attribute__ ((unused)), ...)
+{
+#ifndef PIC
+ init (&argc);
+#endif
}