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| author | Rich Felker <dalias@aerifal.cx> | 2012-05-02 21:01:55 -0400 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2012-05-02 21:01:55 -0400 |
| commit | 83023d1b50297cd2aa0fe4cbd2a0539462bb7c48 (patch) | |
| tree | 899f0e3f0a7e759bdec1a0a657a4780179d8c9f3 | |
| parent | c9dea48f84cd772ac250c091356dd6ef956ea3f6 (diff) | |
| download | musl-83023d1b50297cd2aa0fe4cbd2a0539462bb7c48.tar.gz musl-83023d1b50297cd2aa0fe4cbd2a0539462bb7c48.tar.xz musl-83023d1b50297cd2aa0fe4cbd2a0539462bb7c48.zip | |
PIE support for i386
| -rw-r--r-- | Makefile | 2 | ||||
| -rw-r--r-- | crt/Scrt1.c | 0 | ||||
| -rw-r--r-- | crt/i386/Scrt1.s | 24 |
3 files changed, 25 insertions, 1 deletions
diff --git a/Makefile b/Makefile index 2265fce4..1b9e2436 100644 --- a/Makefile +++ b/Makefile @@ -39,7 +39,7 @@ ALL_INCLUDES = $(sort $(wildcard include/*.h include/*/*.h) $(GENH)) EMPTY_LIB_NAMES = m rt pthread crypt util xnet resolv dl EMPTY_LIBS = $(EMPTY_LIB_NAMES:%=lib/lib%.a) -CRT_LIBS = lib/crt1.o lib/crti.o lib/crtn.o +CRT_LIBS = lib/crt1.o lib/Scrt1.o lib/crti.o lib/crtn.o STATIC_LIBS = lib/libc.a SHARED_LIBS = lib/libc.so TOOL_LIBS = lib/musl-gcc.specs diff --git a/crt/Scrt1.c b/crt/Scrt1.c new file mode 100644 index 00000000..e69de29b --- /dev/null +++ b/crt/Scrt1.c diff --git a/crt/i386/Scrt1.s b/crt/i386/Scrt1.s new file mode 100644 index 00000000..b0fbe104 --- /dev/null +++ b/crt/i386/Scrt1.s @@ -0,0 +1,24 @@ +.weak _init +.weak _fini +.text +.global _start +_start: + xorl %ebp,%ebp + popl %ecx + movl %esp,%eax + andl $-16,%esp + pushl %esp + pushl %esp + pushl %edx + call 1f +1: addl $_GLOBAL_OFFSET_TABLE_,(%esp) + pop %ebx + call 1f +1: addl $[_fini-.],(%esp) + call 1f +1: addl $[_init-.],(%esp) + pushl %eax + pushl %ecx + pushl main@GOT(%ebx) + call __libc_start_main@plt +1: jmp 1b |