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Diffstat (limited to 'libc/sysdeps/linux/xtensa/vfork.S')
-rw-r--r--libc/sysdeps/linux/xtensa/vfork.S25
1 files changed, 0 insertions, 25 deletions
diff --git a/libc/sysdeps/linux/xtensa/vfork.S b/libc/sysdeps/linux/xtensa/vfork.S
index 8058fb057..140ab775e 100644
--- a/libc/sysdeps/linux/xtensa/vfork.S
+++ b/libc/sysdeps/linux/xtensa/vfork.S
@@ -34,16 +34,6 @@
*/
-#ifndef SAVE_PID
-#define SAVE_PID(a,b,c,d)
-#endif
-#ifndef RESTORE_PID
-#define RESTORE_PID(a,b,c)
-#endif
-#ifndef RESTORE_PID12
-#define RESTORE_PID12(a,b,c)
-#endif
-
/*
pid_t vfork(void);
Implemented as __clone_syscall(CLONE_VFORK | CLONE_VM | SIGCHLD, 0)
@@ -73,8 +63,6 @@ HIDDEN_ENTRY (__vfork)
.L4: mov a12, a2
mov a13, a3
- SAVE_PID(a5,a15,a2,a3)
-
/* use syscall 'clone' and set new stack pointer to the same address */
movi a2, SYS_ify(clone)
@@ -83,8 +71,6 @@ HIDDEN_ENTRY (__vfork)
syscall
- RESTORE_PID(a5,a15,a2)
-
movi a5, -4096
mov a6, a2
@@ -102,16 +88,12 @@ HIDDEN_ENTRY (__vfork)
mov a13, a3
mov a14, a6
- SAVE_PID(a9,a15,a2,a3)
-
movi a2, SYS_ify(clone)
movi a3, 0
movi a6, CLONE_VM | CLONE_VFORK | SIGCHLD
syscall
- RESTORE_PID(a9,a15,a2)
-
movi a9, -4096
mov a10, a2
@@ -131,16 +113,12 @@ HIDDEN_ENTRY (__vfork)
mov a13, a3
mov a14, a6
- SAVE_PID (a2,a3,a2,a6)
-
movi a2, SYS_ify(clone)
movi a3, 0
movi a6, CLONE_VM | CLONE_VFORK | SIGCHLD
syscall
- RESTORE_PID12(a3,a6,a15)
-
mov a3, a13
movi a13, -4096
@@ -168,7 +146,6 @@ HIDDEN_ENTRY (__vfork)
.Lpseudo_end:
retw
#elif defined(__XTENSA_CALL0_ABI__)
- SAVE_PID(a5, a8, a3, a4)
/* Use syscall 'clone'. Set new stack pointer to the same address. */
movi a2, SYS_ify (clone)
@@ -176,8 +153,6 @@ HIDDEN_ENTRY (__vfork)
movi a6, CLONE_VM | CLONE_VFORK | SIGCHLD
syscall
- RESTORE_PID(a5, a8, a2)
-
movi a3, -4096
bgeu a2, a3, 1f
ret