diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/mips/clone.S')
| -rw-r--r-- | sysdeps/unix/sysv/linux/mips/clone.S | 40 |
1 files changed, 23 insertions, 17 deletions
diff --git a/sysdeps/unix/sysv/linux/mips/clone.S b/sysdeps/unix/sysv/linux/mips/clone.S index 2b02a2ba9b..7af2a1652a 100644 --- a/sysdeps/unix/sysv/linux/mips/clone.S +++ b/sysdeps/unix/sysv/linux/mips/clone.S @@ -29,15 +29,17 @@ /* int clone(int (*fn)(void *arg), void *child_stack, int flags, void *arg) */ .text +LOCALSZ= 1 +FRAMESZ= (((NARGSAVE+LOCALSZ)*SZREG)+ALSZ)&ALMASK +GPOFF= FRAMESZ-(1*SZREG) NESTED(__clone,4*SZREG,sp) #ifdef __PIC__ - .set noreorder - .cpload $25 - .set reorder - subu sp,32 - .cprestore 16 -#else - subu sp,32 + SETUP_GP +#endif + PTR_SUBU sp, FRAMESZ + SETUP_GP64 (GPOFF, __clone) +#ifdef __PIC__ + SAVE_GP (GPOFF) #endif #ifdef PROF .set noat @@ -52,9 +54,9 @@ NESTED(__clone,4*SZREG,sp) beqz a0,L(error) /* No NULL function pointers. */ beqz a1,L(error) /* No NULL stack pointers. */ - subu a1,32 /* Reserve argument save space. */ - sw a0,0(a1) /* Save function pointer. */ - sw a3,4(a1) /* Save argument pointer. */ + PTR_SUBU a1,32 /* Reserve argument save space. */ + PTR_S a0,0(a1) /* Save function pointer. */ + PTR_S a3,PTRSIZE(a1) /* Save argument pointer. */ /* Do the system call */ @@ -66,16 +68,20 @@ NESTED(__clone,4*SZREG,sp) beqz v0,L(thread_start) /* Successful return from the parent */ - addiu sp,32 + RESTORE_GP64 + PTR_ADDU sp, FRAMESZ ret /* Something bad happened -- no child created */ L(error): - addiu sp,32 #ifdef __PIC__ - la t9,__syscall_error + PTR_LA t9,__syscall_error + RESTORE_GP64 + PTR_ADDU sp, FRAMESZ jr t9 #else + RESTORE_GP64 + PTR_ADDU sp, FRAMESZ j __syscall_error #endif END(__clone) @@ -86,11 +92,11 @@ L(error): L(thread_start): /* cp is already loaded. */ - .cprestore 16 + SAVE_GP (GPOFF) /* The stackframe has been created on entry of clone(). */ /* Restore the arg for user's function. */ - lw t9,0(sp) /* Function pointer. */ - lw a0,4(sp) /* Argument pointer. */ + PTR_L t9,0(sp) /* Function pointer. */ + PTR_L a0,PTRSIZE(sp) /* Argument pointer. */ /* Call the user's function. */ jal t9 @@ -98,7 +104,7 @@ L(thread_start): /* Call _exit rather than doing it inline for breakpoint purposes. */ move a0,v0 #ifdef __PIC__ - la t9,_exit + PTR_LA t9,_exit jalr t9 #else jal _exit |