diff options
| author | Eric Andersen <andersen@codepoet.org> | 2001-01-25 15:36:06 +0000 |
|---|---|---|
| committer | Eric Andersen <andersen@codepoet.org> | 2001-01-25 15:36:06 +0000 |
| commit | c4685a5c3c6cef896b3ba7ccb5b628e4489fcb34 (patch) | |
| tree | 9833759dc11eca978ec7b3280cd7f4efcb1ce4b3 | |
| parent | a267450eec1b9e6bf50183669f53d738d42db2dc (diff) | |
Don't trash regs r0-r2, fix thanks to Michiel Thuys <michiel.thuys@intersil.com>.
| -rw-r--r-- | libc/sysdeps/linux/arm/crt0pic.S | 151 |
1 files changed, 77 insertions, 74 deletions
diff --git a/libc/sysdeps/linux/arm/crt0pic.S b/libc/sysdeps/linux/arm/crt0pic.S index 8e2257865..21665a4bb 100644 --- a/libc/sysdeps/linux/arm/crt0pic.S +++ b/libc/sysdeps/linux/arm/crt0pic.S @@ -1,74 +1,77 @@ -.text
- .align 2
- .global __environ
- .global _start
- .global exit
- .global main
- .global __libc_init
- .global __init_stdio
- .global __stdio_close_all
- .global _void_void_null_func
-
- .type _start,%function
- .type exit,%function
- .type main,%function
- .type __libc_init,%function
- .type __init_stdio,%function
- .type __stdio_close_all,%function
- .type _void_void_null_func,%function
-
-
-
-@ r0 = argc
-@ r1 = argv
-@ r2 = envp
-@ sl = data segment
-
-.text
-_start:
- @ adjust the data segment base pointer
- ldr r3,=__data_start
- sub sl,sl,r3
- mov r9,sl
-
- ldr r3, .L3
- str r2,[r9,r3]
- ldr r0,[sp, #0]
- ldr r1,[sp, #4]
- ldr r2,[sp, #8]
-
- /* Tell libc to initialize whatever it needs */
- bl __libc_init
- bl __init_stdio
- bl main
-/* ldr r0,=0 */
- bl exit
-
-_void_void_null_func:
- nop
-
-.weak __libc_init
-__libc_init = _void_void_null_func
-
-.weak __init_stdio
-__init_stdio = _void_void_null_func
-
-.weak __stdio_close_all
-__stdio_close_all = _void_void_null_func
-
-.align 2
-.L3:
- .word environ
-
-
-.data
- .align 2
- .global __environ
-
-__environ:
- .long 0
-
-.weak environ
-environ = __environ
-
-
+.text + .align 2 + .global __environ + .global _start + .global exit + .global main + .global __libc_init + .global __init_stdio + .global __stdio_close_all + .global _void_void_null_func + + .type _start,%function + .type exit,%function + .type main,%function + .type __libc_init,%function + .type __init_stdio,%function + .type __stdio_close_all,%function + .type _void_void_null_func,%function + + + +@ r0 = argc +@ r1 = argv +@ r2 = envp +@ sl = data segment + +.text +_start: + @ adjust the data segment base pointer + ldr r3,=__data_start + sub sl,sl,r3 + mov r9,sl + + ldr r3, .L3 + str r2,[r9,r3] + + /* Tell libc to initialize whatever it needs */ + bl __libc_init + bl __init_stdio + + /* pull argc, argv and envp off the stack */ + ldr r0,[sp, #0] + ldr r1,[sp, #4] + ldr r2,[sp, #8] + + bl main +/* ldr r0,=0 */ + bl exit + +_void_void_null_func: + nop + +.weak __libc_init +__libc_init = _void_void_null_func + +.weak __init_stdio +__init_stdio = _void_void_null_func + +.weak __stdio_close_all +__stdio_close_all = _void_void_null_func + +.align 2 +.L3: + .word environ + + +.data + .align 2 + .global __environ + +__environ: + .long 0 + +.weak environ +environ = __environ + + |