netscape-revival
nspr-/src/os_Linux.S
/* Semi-ripped-off of mips.h */
#include <sys/syscall.h>
#ifdef __ELF__
/* With ELF, external symbols are not preceeded by underscore. --jwz. */
# define __OS_CONNECT _OS_CONNECT
# define __OS_RECV _OS_RECV
# define __OS_SELECT _OS_SELECT
# define __OS_SEND _OS_SEND
# define __OS_SOCKET _OS_SOCKET
#endif /* __ELF__ */
#if 0
#define LINUX_SYS_CALL(name, sysname, args) \
.globl __OS_##name##; \
.align 4; \
__OS_##name##: \
pushl %ebp; \
movl %esp,%ebp; \
PUSH_##args \
movl $(SYS_##sysname), %eax; \
MOVE_##args \
int $0x80; \
POP_##args \
movl %ebp,%esp; \
popl %ebp; \
ret;
#define PUSH_0 /* No arguments to push. */
#define PUSH_1 pushl %ebx;
#define PUSH_2 PUSH_1
#define PUSH_3 PUSH_1
#define PUSH_4 pushl %esi; PUSH_3
#define PUSH_5 pushl %edi; PUSH_4
#define MOVE_0 /* No arguments to move. */
#define MOVE_1 movl 8(%ebp),%ebx;
#define MOVE_2 MOVE_1 movl 12(%ebp),%ecx;
#define MOVE_3 MOVE_2 movl 16(%ebp),%edx;
#define MOVE_4 MOVE_3 movl 20(%ebp),%esi;
#define MOVE_5 MOVE_4 movl 24(%ebp),%edi;
#define POP_0 /* No arguments to pop. */
#define POP_1 popl %ebx;
#define POP_2 POP_1
#define POP_3 POP_1
#define POP_4 POP_3 popl %esi;
#define POP_5 POP_4 popl %edi;
LINUX_SYS_CALL(OPEN, open, 3)
LINUX_SYS_CALL(CLOSE, close, 1)
LINUX_SYS_CALL(READ, read, 3)
LINUX_SYS_CALL(WRITE, write, 3)
LINUX_SYS_CALL(FCNTL, fcntl, 3)
#endif
/* From /usr/include/linux/net.h */
#define SYS_SOCKET 1 /* sys_socket(2) */
#define SYS_BIND 2 /* sys_bind(2) */
#define SYS_CONNECT 3 /* sys_connect(2) */
#define SYS_LISTEN 4 /* sys_listen(2) */
#define SYS_ACCEPT 5 /* sys_accept(2) */
#define SYS_GETSOCKNAME 6 /* sys_getsockname(2) */
#define SYS_GETPEERNAME 7 /* sys_getpeername(2) */
#define SYS_SOCKETPAIR 8 /* sys_socketpair(2) */
#define SYS_SEND 9 /* sys_send(2) */
#define SYS_RECV 10 /* sys_recv(2) */
#define SYS_SENDTO 11 /* sys_sendto(2) */
#define SYS_RECVFROM 12 /* sys_recvfrom(2) */
#define SYS_SHUTDOWN 13 /* sys_shutdown(2) */
#define SYS_SETSOCKOPT 14 /* sys_setsockopt(2) */
#define SYS_GETSOCKOPT 15 /* sys_getsockopt(2) */
.globl __OS_SEND
.align 4
__OS_SEND:
pushl %ebp
movl %esp,%ebp
subl $0x10,%esp
pushl %ebx
movl 0xc(%ebp),%edx
movl 0x10(%ebp),%ecx
movl 0x14(%ebp),%ebx
movl %ebx,0xfffffffc(%ebp)
movl 0x8(%ebp),%eax
movl %eax,0xfffffff0(%ebp)
movl %edx,0xfffffff4(%ebp)
movl %ecx,0xfffffff8(%ebp)
movl $(SYS_SEND),%edx
leal 0xfffffff0(%ebp),%ecx
movl $(SYS_socketcall),%eax
movl %edx,%ebx
int $0x80
movl 0xffffffec(%ebp),%ebx
movl %ebp,%esp
popl %ebp
ret
.globl __OS_RECV
.align 4
__OS_RECV:
pushl %ebp
movl %esp,%ebp
subl $0x10,%esp
pushl %ebx
movl 0xc(%ebp),%edx
movl 0x10(%ebp),%ecx
movl 0x14(%ebp),%ebx
movl %ebx,0xfffffffc(%ebp)
movl 0x8(%ebp),%eax
movl %eax,0xfffffff0(%ebp)
movl %edx,0xfffffff4(%ebp)
movl %ecx,0xfffffff8(%ebp)
movl $(SYS_RECV),%edx
leal 0xfffffff0(%ebp),%ecx
movl $(SYS_socketcall),%eax
movl %edx,%ebx
int $0x80
movl 0xffffffec(%ebp),%ebx
movl %ebp,%esp
popl %ebp
ret
.globl __OS_SELECT
.align 4
__OS_SELECT:
pushl %ebp
movl %esp,%ebp
pushl %ebx
movl $(SYS_select),%eax
leal 0x8(%ebp),%ebx
int $0x80
movl 0xfffffffc(%ebp),%ebx
movl %ebp,%esp
popl %ebp
ret
.globl __OS_CONNECT
.align 4
__OS_CONNECT:
pushl %ebp
movl %esp,%ebp
subl $0xc,%esp
pushl %ebx
movl 0xc(%ebp),%edx
movl 0x10(%ebp),%ecx
movl 0x8(%ebp),%ebx
movl %ebx,0xfffffff4(%ebp)
movl %edx,0xfffffff8(%ebp)
movl %ecx,0xfffffffc(%ebp)
movl $(SYS_CONNECT),%edx
leal 0xfffffff4(%ebp),%ecx
movl $(SYS_socketcall),%eax
movl %edx,%ebx
int $0x80
movl 0xfffffff0(%ebp),%ebx
movl %ebp,%esp
popl %ebp
ret
.globl __OS_SOCKET
.align 4
__OS_SOCKET:
pushl %ebp
movl %esp,%ebp
subl $0xc,%esp
pushl %ebx
movl 0xc(%ebp),%edx
movl 0x10(%ebp),%ecx
movl 0x8(%ebp),%ebx
movl %ebx,0xfffffff4(%ebp)
movl %edx,0xfffffff8(%ebp)
movl %ecx,0xfffffffc(%ebp)
movl $(SYS_SOCKET),%edx
leal 0xfffffff4(%ebp),%ecx
movl $(SYS_socketcall),%eax
movl %edx,%ebx
int $0x80
movl 0xfffffff0(%ebp),%ebx
movl %ebp,%esp
popl %ebp
ret