diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/sparc/sparc32/socket.S')
| -rw-r--r-- | sysdeps/unix/sysv/linux/sparc/sparc32/socket.S | 48 |
1 files changed, 33 insertions, 15 deletions
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/socket.S b/sysdeps/unix/sysv/linux/sparc/sparc32/socket.S index bdfc2fcc6d..4c65ac7f3c 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc32/socket.S +++ b/sysdeps/unix/sysv/linux/sparc/sparc32/socket.S @@ -23,6 +23,13 @@ #define P(a, b) P2(a, b) #define P2(a, b) a##b +#ifndef NARGS +#ifdef socket +#error NARGS not defined +#endif +#define NARGS 3 +#endif + .text /* The socket-oriented system calls are handled unusually in Linux. They are all gated through the single `socketcall' system call number. @@ -34,25 +41,36 @@ .globl P(__,socket) ENTRY (P(__,socket)) - mov SYS_ify(socketcall), %g1 /* System call number */ - /* Use ## so `socket' is a separate token that might be #define'd. */ - mov P(SOCKOP_,socket), %o0 /* Subcode is first arg to syscall. */ - mov %i0,%o1 /* args pointer is second arg to syscall */ + /* Drop up to 6 arguments (recvfrom) into the memory allocated by + the caller for varargs, since that's really what we have. */ + st %o0, [%sp + 68 + 0] + st %o1, [%sp + 68 + 4] +#if NARGS > 2 + st %o2, [%sp + 68 + 8] +#if NARGS > 3 + st %o3, [%sp + 68 + 12] +#if NARGS > 4 + st %o4, [%sp + 68 + 16] +#if NARGS > 5 + st %o5, [%sp + 68 + 20] +#endif +#endif +#endif +#endif + mov P(SOCKOP_,socket), %o0 /* arg 1: socket subfunction */ + add %sp, 68, %o1 /* arg 2: parameter block */ + LOADSYSCALL(socketcall) t 0x10 - bcc,a 1 - nop - save %sp,96,%sp - call __errno_location - nop - st %i0,[%o0] - restore + + bcs,a 1f + nop retl - mov -1,%o0 -1: - ret + nop + +1: SYSCALL_ERROR_HANDLER -PSEUDO_END (P(__,socket)) +END (P(__,socket)) weak_alias (P(__,socket), socket) |