diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/tile/sysdep-cancel.h')
| -rw-r--r-- | sysdeps/unix/sysv/linux/tile/sysdep-cancel.h | 130 |
1 files changed, 6 insertions, 124 deletions
diff --git a/sysdeps/unix/sysv/linux/tile/sysdep-cancel.h b/sysdeps/unix/sysv/linux/tile/sysdep-cancel.h index 092a90c312..277709f848 100644 --- a/sysdeps/unix/sysv/linux/tile/sysdep-cancel.h +++ b/sysdeps/unix/sysv/linux/tile/sysdep-cancel.h @@ -18,137 +18,19 @@ #include <sysdep.h> #include <tls.h> -#ifndef __ASSEMBLER__ -# include <nptl/pthreadP.h> -#endif +#include <nptl/pthreadP.h> #if IS_IN (libc) || IS_IN (libpthread) || IS_IN (librt) -/* Allow hacking in some extra code if desired. */ -#ifndef PSEUDO_EXTRA -#define PSEUDO_EXTRA -#endif - -#undef PSEUDO -#define PSEUDO(name, syscall_name, args) \ - ENTRY(__##syscall_name##_nocancel); \ - PSEUDO_EXTRA \ - moveli TREG_SYSCALL_NR_NAME, SYS_ify(syscall_name); \ - swint1; \ - BNEZ r1, 0f; \ - jrp lr; \ - END(__##syscall_name##_nocancel); \ - ENTRY (name) \ - SINGLE_THREAD_P(r11); \ - BEQZ r11, L(pseudo_cancel); \ - PSEUDO_EXTRA \ - moveli TREG_SYSCALL_NR_NAME, SYS_ify(syscall_name); \ - swint1; \ - BNEZ r1, 0f; \ - jrp lr; \ - L(pseudo_cancel): \ - { \ - move r11, sp; \ - ST sp, lr; \ - ADDI_PTR sp, sp, -STKSPACE; \ - }; \ - cfi_offset (lr, 0); \ - cfi_def_cfa_offset (STKSPACE); \ - { \ - ADDI_PTR r12, sp, REGSIZE; \ - ADDI_PTR r13, sp, 2 * REGSIZE; /* set up for PUSHARGS_0 */ \ - }; \ - ST r12, r11; \ - PUSHARGS_##args /* save syscall args */ \ - CENABLE; \ - ADDI_PTR r12, sp, 10 * REGSIZE; \ - { \ - ST r12, r0; /* save mask */ \ - ADDI_PTR r13, sp, 2 * REGSIZE; /* set up for POPARGS_0 */ \ - }; \ - POPARGS_##args /* restore syscall args */ \ - PSEUDO_EXTRA \ - moveli TREG_SYSCALL_NR_NAME, SYS_ify(syscall_name); \ - swint1; \ - ADDI_PTR r12, sp, 12 * REGSIZE; \ - { \ - ST r12, r1; /* save syscall result */ \ - ADDI_PTR r12, sp, 11 * REGSIZE; \ - }; \ - { \ - ST r12, r0; \ - ADDI_PTR r13, sp, 10 * REGSIZE; \ - }; \ - LD r0, r13; /* pass mask as arg1 */ \ - CDISABLE; \ - { \ - ADDI_PTR lr, sp, STKSPACE; \ - ADDI_PTR r0, sp, 11 * REGSIZE; \ - }; \ - { \ - LD r0, r0; \ - ADDI_PTR r1, sp, 12 * REGSIZE; \ - }; \ - LD r1, r1; \ - { \ - LD lr, lr; \ - ADDI_PTR sp, sp, STKSPACE; \ - }; \ - cfi_def_cfa_offset (0); \ - BNEZ r1, 0f - -# define PUSHARGS_0 /* nothing to do */ -# define PUSHARGS_1 PUSHARGS_0 { ADDI_PTR r14, sp, 3 * REGSIZE; ST r13, r0 }; -# define PUSHARGS_2 PUSHARGS_1 { ADDI_PTR r13, sp, 4 * REGSIZE; ST r14, r1 }; -# define PUSHARGS_3 PUSHARGS_2 { ADDI_PTR r14, sp, 5 * REGSIZE; ST r13, r2 }; -# define PUSHARGS_4 PUSHARGS_3 { ADDI_PTR r13, sp, 6 * REGSIZE; ST r14, r3 }; -# define PUSHARGS_5 PUSHARGS_4 { ADDI_PTR r14, sp, 7 * REGSIZE; ST r13, r4 }; -# define PUSHARGS_6 PUSHARGS_5 { ADDI_PTR r13, sp, 8 * REGSIZE; ST r14, r5 }; -# define PUSHARGS_7 PUSHARGS_6 { ADDI_PTR r14, sp, 9 * REGSIZE; ST r13, r6 }; - -# define POPARGS_0 /* nothing to do */ -# define POPARGS_1 POPARGS_0 { ADDI_PTR r14, sp, 3 * REGSIZE; LD r0, r13 }; -# define POPARGS_2 POPARGS_1 { ADDI_PTR r13, sp, 4 * REGSIZE; LD r1, r14 }; -# define POPARGS_3 POPARGS_2 { ADDI_PTR r14, sp, 5 * REGSIZE; LD r2, r13 }; -# define POPARGS_4 POPARGS_3 { ADDI_PTR r13, sp, 6 * REGSIZE; LD r3, r14 }; -# define POPARGS_5 POPARGS_4 { ADDI_PTR r14, sp, 7 * REGSIZE; LD r4, r13 }; -# define POPARGS_6 POPARGS_5 { ADDI_PTR r13, sp, 8 * REGSIZE; LD r5, r14 }; -# define POPARGS_7 POPARGS_6 { ADDI_PTR r14, sp, 9 * REGSIZE; LD r6, r13 }; +# define SINGLE_THREAD_P \ + __glibc_likely (THREAD_GETMEM (THREAD_SELF, header.multiple_threads) == 0) -# define STKSPACE (13 * REGSIZE) - -# if IS_IN (libpthread) -# define CENABLE jal __pthread_enable_asynccancel -# define CDISABLE jal __pthread_disable_asynccancel -# elif IS_IN (librt) -# define CENABLE jal __librt_enable_asynccancel -# define CDISABLE jal __librt_disable_asynccancel -# else -# define CENABLE jal __libc_enable_asynccancel -# define CDISABLE jal __libc_disable_asynccancel -# endif - -# ifndef __ASSEMBLER__ -# define SINGLE_THREAD_P \ - __builtin_expect (THREAD_GETMEM (THREAD_SELF, \ - header.multiple_threads) \ - == 0, 1) -# else -# define SINGLE_THREAD_P(reg) \ - ADDLI_PTR reg, tp, MULTIPLE_THREADS_OFFSET; \ - LD reg, reg; \ - CMPEQI reg, reg, 0 -#endif - -#elif !defined __ASSEMBLER__ +#else # define SINGLE_THREAD_P 1 # define NO_CANCELLATION 1 #endif -#ifndef __ASSEMBLER__ -# define RTLD_SINGLE_THREAD_P \ - __builtin_expect (THREAD_GETMEM (THREAD_SELF, \ - header.multiple_threads) == 0, 1) -#endif +#define RTLD_SINGLE_THREAD_P \ + __glibc_likely (THREAD_GETMEM (THREAD_SELF, header.multiple_threads) == 0) |