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| author | Eric Andersen <andersen@codepoet.org> | 2002-11-27 23:34:07 +0000 |
|---|---|---|
| committer | Eric Andersen <andersen@codepoet.org> | 2002-11-27 23:34:07 +0000 |
| commit | ae35d725cf586347b2adb1a6fe4216e70fce16cf (patch) | |
| tree | 9fcdb86297695c3324e386e483e85db53133b412 /libc/sysdeps/linux/i386 | |
| parent | 44c91e654102116f99f80635c483db49126730e8 (diff) | |
| download | uClibc-alpine-ae35d725cf586347b2adb1a6fe4216e70fce16cf.tar.bz2 uClibc-alpine-ae35d725cf586347b2adb1a6fe4216e70fce16cf.tar.xz | |
Make support for global constructors and global destructors be
configurable, so people who do not need or want ctor/dtor support
can disable it and make their binaries a little bit smaller.
-Erik
Diffstat (limited to 'libc/sysdeps/linux/i386')
| -rw-r--r-- | libc/sysdeps/linux/i386/crt0.S | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/i386/crt0.S b/libc/sysdeps/linux/i386/crt0.S index 97f1fde63..be66b9a2d 100644 --- a/libc/sysdeps/linux/i386/crt0.S +++ b/libc/sysdeps/linux/i386/crt0.S @@ -61,6 +61,7 @@ _start: pushl %ebp /* callers %ebp (frame pointer) */ movl %esp,%ebp /* mark callers stack frame as invalid */ +#ifdef __UCLIBC_CTOR_DTOR__ /* Push .init and .fini arguments to __uClibc_start_main() on the stack */ pushl $_fini pushl $_init @@ -72,6 +73,14 @@ _start: /* Ok, now run uClibc's main() -- shouldn't return */ call __uClibc_start_main +#else + /* Push envp, argc, and argc arguments to __uClibc_start_main() on the stack */ + pushl %eax /* Environment pointer */ + pushl %ebx /* Argument pointer */ + pushl %ecx /* And the argument count */ + + call __uClibc_main +#endif /* Crash if somehow `exit' returns anyways. */ hlt |