diff options
Diffstat (limited to 'libc/ports/sysdeps/unix/sysv/linux/mips/clone.S')
| -rw-r--r-- | libc/ports/sysdeps/unix/sysv/linux/mips/clone.S | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/libc/ports/sysdeps/unix/sysv/linux/mips/clone.S b/libc/ports/sysdeps/unix/sysv/linux/mips/clone.S index 72360f962..f6f2f0565 100644 --- a/libc/ports/sysdeps/unix/sysv/linux/mips/clone.S +++ b/libc/ports/sysdeps/unix/sysv/linux/mips/clone.S @@ -34,6 +34,7 @@ void *parent_tidptr, void *tls, void *child_tidptr) */ .text + .set nomips16 #if _MIPS_SIM == _ABIO32 # define EXTRA_LOCALS 1 #else @@ -47,7 +48,8 @@ NESTED(__clone,4*SZREG,sp) SETUP_GP #endif PTR_SUBU sp, FRAMESZ - SETUP_GP64 (GPOFF, __clone) + cfi_adjust_cfa_offset (FRAMESZ) + SETUP_GP64_STACK (GPOFF, __clone) #ifdef __PIC__ SAVE_GP (GPOFF) #endif @@ -88,26 +90,35 @@ NESTED(__clone,4*SZREG,sp) /* Do the system call */ li v0,__NR_clone + cfi_endproc syscall bnez a3,L(error) beqz v0,L(thread_start) /* Successful return from the parent */ - RESTORE_GP64 + cfi_startproc + cfi_adjust_cfa_offset (FRAMESZ) + SETUP_GP64_STACK_CFI (GPOFF) + cfi_remember_state + RESTORE_GP64_STACK PTR_ADDU sp, FRAMESZ + cfi_adjust_cfa_offset (-FRAMESZ) ret /* Something bad happened -- no child created */ L(error): + cfi_restore_state #ifdef __PIC__ PTR_LA t9,__syscall_error - RESTORE_GP64 + RESTORE_GP64_STACK PTR_ADDU sp, FRAMESZ + cfi_adjust_cfa_offset (-FRAMESZ) jr t9 #else - RESTORE_GP64 + RESTORE_GP64_STACK PTR_ADDU sp, FRAMESZ + cfi_adjust_cfa_offset (-FRAMESZ) j __syscall_error #endif END(__clone) @@ -118,6 +129,7 @@ L(error): ENTRY(__thread_start) L(thread_start): + cfi_undefined ($31) /* cp is already loaded. */ SAVE_GP (GPOFF) /* The stackframe has been created on entry of clone(). */ |