diff options
Diffstat (limited to 'rtl/beos/i386/cprt0.as')
| -rw-r--r-- | rtl/beos/i386/cprt0.as | 217 |
1 files changed, 217 insertions, 0 deletions
diff --git a/rtl/beos/i386/cprt0.as b/rtl/beos/i386/cprt0.as new file mode 100644 index 0000000000..8d43936c22 --- /dev/null +++ b/rtl/beos/i386/cprt0.as @@ -0,0 +1,217 @@ + .file "cprt0.s" +.data + .align 4 +default_environ: + .long 0 +.text +.globl _start + .type _start,@function +_start: + pushl %ebp + movl %esp,%ebp + subl $4,%esp + pushl %ebx + call .L6 +.L6: + popl %ebx + addl $_GLOBAL_OFFSET_TABLE_+[.-.L6],%ebx + movl argv_save@GOT(%ebx),%eax + movl 12(%ebp),%edi + movl %edi,(%eax) + movl environ@GOT(%ebx),%eax + movl 16(%ebp),%esi + movl %esi,(%eax) + test %esi,%esi + jnz .L4 + movl environ@GOT(%ebx),%eax + movl %ebx,%ecx + addl $default_environ@GOTOFF,%ecx + movl %ecx,%edx + movl %edx,(%eax) +.L4: +/* movl %fs:0x4,%eax this doesn't work on BeOS 4.0, let's use find_thread instead */ + pushl $0x0 + call find_thread + movl __main_thread_id@GOT(%ebx),%edx + movl %eax,(%edx) + pushl %esi + pushl %edi + movl 8(%ebp),%eax + pushl %eax + call _init_c_library_ + call _call_init_routines_ + movl 8(%ebp),%eax + movl %eax,U_SYSTEM_ARGC + movl %edi,U_SYSTEM_ARGV + movl %esi,U_SYSTEM_ENVP + xorl %ebp,%ebp + call PASCALMAIN + +.globl _haltproc +.type _haltproc,@function +_haltproc: + call _thread_do_exit_notification + xorl %ebx,%ebx + movw U_SYSTEM_EXITCODE,%bx + pushl %ebx + call exit + + +/* int sys_open (int=0xFF000000, char * name, int mode, int=0, int close_on_exec=0); */ +.globl sys_open +.type sys_open,@function +sys_open: +xorl %eax,%eax +int $0x25 +ret + +/* int sys_close (int handle) */ +.globl sys_close +.type sys_close,@function +sys_close: +mov $0x01,%eax +int $0x25 +ret + +/* int sys_read (int handle, void * buffer, int length) */ +.globl sys_read +.type sys_read,@function +sys_read: +movl $0x02,%eax +int $0x25 +ret + +/* int sys_write (int handle, void * buffer, int length) */ +.globl sys_write +.type sys_write,@function +sys_write: +movl $0x3,%eax +int $0x25 +ret + +/* int sys_lseek (int handle, long long pos, int whence) */ +.globl sys_lseek +.type sys_lseek,@function +sys_lseek: +movl $0x5,%eax +int $0x25 +ret + +/* int sys_time(void) */ +.globl sys_time +.type sys_time,@function +sys_time: +movl $0x7,%eax +int $0x25 +ret + +/* int sys_resize_area */ +.globl sys_resize_area +.type sys_resize_area,@function +sys_resize_area: +movl $0x8,%eax +int $0x25 +ret + +/* int sys_opendir (0xFF000000, chra * name, 0) */ +.globl sys_opendir +.type sys_opendir,@function +sys_opendir: +movl $0xC,%eax +int $0x25 +ret + + +/* int sys_create_area */ +.globl sys_create_area +.type sys_create_area,@function +sys_create_area: +movl $0x14,%eax +int $0x25 +ret + +/* int sys_readdir (int handle, void * dirent, 0x11C, 0x01000000) */ +.globl sys_readdir +.type sys_readdir,@function +sys_readdir: +movl $0x1C,%eax +int $0x25 +ret + +/* int sys_mkdir (char=0xFF, char * name, int mode) */ +.globl sys_mkdir +.type sys_mkdir,@function +sys_mkdir: +movl $0x1E,%eax +int $0x25 +ret + +/* int sys_wait_for_thread */ +.globl sys_wait_for_thread +.type sys_wait_for_thread,@function +sys_wait_for_thread: +movl $0x22,%eax +int $0x25 +ret + +/* int sys_rename (int=0xFF000000, char * name, int=0xFF000000, char * newname) */ +.globl sys_rename +.type sys_rename,@function +sys_rename: +movl $0x26,%eax +int $0x25 +ret + +/* int sys_unlink (int=0xFF000000, char * name) */ +.globl sys_unlink +.type sys_unlink,@function +sys_unlink: +movl $0x27,%eax +int $0x25 +ret + +/* int sys_stat (int=0xFF000000, char * name, struct stat * s, int=0) */ +.globl sys_stat +.type sys_stat,@function +sys_stat: +movl $0x30,%eax +int $0x25 +ret + +/* int sys_load_image */ +.globl sys_load_image +.type sys_load_image,@function +sys_load_image: +movl $0x34,%eax +int $0x25 +ret + +/* void sys_exit (int exitcode) */ +.globl sys_exit +.type sys_exit,@function +sys_exit: +movl $0x3F,%eax +int $0x25 + +/* void sys_chdir (char 0xFF, char * name) */ +.globl sys_chdir +.type sys_chdir,@function +sys_chdir: +movl $0x57,%eax +int $0x25 +ret + +/* void sys_rmdir (char 0xFF, char * name) */ +.globl sys_rmdir +.type sys_rmdir,@function +sys_rmdir: +movl $0x60,%eax +int $0x25 +ret + +/* actual syscall */ +.globl sys_call +.type sys_call,@function +sys_call: +int $0x25 +ret |