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Diffstat (limited to 'libpthread/nptl/sysdeps/unix/sysv/linux/nds32/sysdep-cancel.h')
-rw-r--r--libpthread/nptl/sysdeps/unix/sysv/linux/nds32/sysdep-cancel.h235
1 files changed, 3 insertions, 232 deletions
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/nds32/sysdep-cancel.h b/libpthread/nptl/sysdeps/unix/sysv/linux/nds32/sysdep-cancel.h
index a0f4de5c8..fd3af9aec 100644
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/nds32/sysdep-cancel.h
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/nds32/sysdep-cancel.h
@@ -25,171 +25,12 @@
# include <pthreadP.h>
#endif
-
-
-#define PUSHARGS_0
-#define PUSHARGS_1 smw.adm $r0, [$sp], $r0, #0; \
- cfi_adjust_cfa_offset(4); \
- cfi_rel_offset(r0,0); \
- addi $sp, $sp, -4; \
- cfi_adjust_cfa_offset(4);
-#define PUSHARGS_2 smw.adm $r0, [$sp], $r1, #0; \
- cfi_adjust_cfa_offset(8); \
- cfi_rel_offset(r1, 4); \
- cfi_rel_offset(r0, 0);
-#define PUSHARGS_3 smw.adm $r0, [$sp], $r2, #0; \
- cfi_adjust_cfa_offset(12); \
- cfi_rel_offset(r2, 8); \
- cfi_rel_offset(r1, 4); \
- cfi_rel_offset(r0, 0); \
- addi $sp, $sp, -4; \
- cfi_adjust_cfa_offset(4);
-#define PUSHARGS_4 smw.adm $r0, [$sp], $r3, #0; \
- cfi_adjust_cfa_offset(16); \
- cfi_rel_offset(r3, 12); \
- cfi_rel_offset(r2, 8); \
- cfi_rel_offset(r1, 4); \
- cfi_rel_offset(r0, 0);
-#define PUSHARGS_5 smw.adm $r0, [$sp], $r4, #0; \
- cfi_adjust_cfa_offset(20); \
- cfi_rel_offset(r4, 16); \
- cfi_rel_offset(r3, 12); \
- cfi_rel_offset(r2, 8); \
- cfi_rel_offset(r1, 4); \
- cfi_rel_offset(r0, 0); \
- addi $sp, $sp, -4; \
- cfi_adjust_cfa_offset(4);
-#define PUSHARGS_6 smw.adm $r0, [$sp], $r5, #0; \
- cfi_adjust_cfa_offset(24); \
- cfi_rel_offset(r5, 20); \
- cfi_rel_offset(r4, 16); \
- cfi_rel_offset(r3, 12); \
- cfi_rel_offset(r2, 8); \
- cfi_rel_offset(r1, 4); \
- cfi_rel_offset(r0, 0);
-
-#define POPARGS2_0
-#define POPARGS2_1 addi $sp, $sp, 4; \
- cfi_adjust_cfa_offset(-4); \
- lmw.bim $r0, [$sp], $r0, #0; \
- cfi_adjust_cfa_offset(-4); \
- cfi_restore(r0);
-#define POPARGS2_2 lmw.bim $r0, [$sp], $r1, #0; \
- cfi_adjust_cfa_offset(-8); \
- cfi_restore(r0); \
- cfi_restore(r1);
-#define POPARGS2_3 addi $sp, $sp, 4; \
- cfi_adjust_cfa_offset(-4); \
- lmw.bim $r0, [$sp], $r2, #0; \
- cfi_adjust_cfa_offset(-12); \
- cfi_restore(r0); \
- cfi_restore(r1); \
- cfi_restore(r2);
-#define POPARGS2_4 lmw.bim $r0, [$sp], $r3, #0; \
- cfi_adjust_cfa_offset(-16); \
- cfi_restore(r0); \
- cfi_restore(r1); \
- cfi_restore(r2); \
- cfi_restore(r3);
-#define POPARGS2_5 addi $sp, $sp, 4; \
- cfi_adjust_cfa_offset(-4); \
- lmw.bim $r0, [$sp], $r4, #0; \
- cfi_adjust_cfa_offset(-20); \
- cfi_restore(r0); \
- cfi_restore(r1); \
- cfi_restore(r2); \
- cfi_restore(r3); \
- cfi_restore(r4);
-#define POPARGS2_6 lmw.bim $r0, [$sp], $r5, #0; \
- cfi_adjust_cfa_offset(-24); \
- cfi_restore(r0); \
- cfi_restore(r1); \
- cfi_restore(r2); \
- cfi_restore(r3); \
- cfi_restore(r4); \
- cfi_restore(r5);
-
#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt
-/* NOTE: We do mark syscalls with unwind annotations, for the benefit of
- cancellation; but they're really only accurate at the point of the
- syscall. The ARM unwind directives are not rich enough without adding
- a custom personality function. */
-
-# undef PSEUDO
-# define PSEUDO(name, syscall_name, args) \
- .align 2; \
- ENTRY (__##syscall_name##_nocancel); \
- __do_syscall(syscall_name); \
- PSEUDO_RET; \
- ret; \
- END (__##syscall_name##_nocancel); \
- ENTRY (name); \
- smw.adm $r6,[$sp],$r6,0x2; \
- cfi_adjust_cfa_offset(8); \
- cfi_offset(r6,-8); \
- cfi_offset(lp,-4); \
- SINGLE_THREAD_P ($r15); \
- bgtz $r15, .Lpseudo_cancel; \
- __do_syscall(syscall_name); \
- j 50f; \
- .Lpseudo_cancel: \
- PUSHARGS_##args; /* save syscall args etc. around CENABLE. */ \
- CENABLE ($r5); \
- mov55 $r6, $r0; /* put mask in safe place. */ \
- POPARGS2_##args; \
- __do_syscall(syscall_name); /* do the call. */ \
- push $r0; \
- cfi_adjust_cfa_offset(4); \
- cfi_rel_offset(r0, 0); \
- addi $sp, $sp, -4; \
- cfi_adjust_cfa_offset(4); \
- mov55 $r0, $r6; /* save syscall return value. */\
- CDISABLE($r5); \
- addi $sp, $sp, 4; \
- cfi_adjust_cfa_offset(-4); \
- pop $r0; /* retrieve return value. */ \
- cfi_adjust_cfa_offset(-4); \
- cfi_restore(r0); \
-50: \
- lmw.bim $r6,[$sp],$r6, 0x2; \
- cfi_adjust_cfa_offset(-8); \
- cfi_restore(lp); \
- cfi_restore(r6); \
- PSEUDO_RET;
-# ifndef __ASSEMBLER__
-//# if defined IS_IN_libpthread || !defined NOT_IN_libc
-//extern int __local_multiple_threads attribute_hidden;
-//# define SINGLE_THREAD_P __builtin_expect (__local_multiple_threads == 0, 1)
-//# else
-/* There is no __local_multiple_threads for librt */
-# define SINGLE_THREAD_P __builtin_expect (THREAD_GETMEM (THREAD_SELF, \
+# define SINGLE_THREAD_P __builtin_expect (THREAD_GETMEM (THREAD_SELF, \
header.multiple_threads) == 0, 1)
-//# endif
-# else
-# define SINGLE_THREAD_P(reg) \
- addi reg, $r25, MULTIPLE_THREADS_OFFSET; \
- lw reg, [reg];
-# define SINGLE_THREAD_P_PIC(x) SINGLE_THREAD_P(x)
-# endif
-
-
-# ifdef IS_IN_libpthread
-# define CENABLE(reg) jmp(reg, __pthread_enable_asynccancel)
-# define CDISABLE(reg) jmp(reg, __pthread_disable_asynccancel)
-# define __local_multiple_threads __pthread_multiple_threads
-# elif !defined NOT_IN_libc
-# define CENABLE(reg) jmp(reg, __libc_enable_asynccancel)
-# define CDISABLE(reg) jmp(reg, __libc_disable_asynccancel)
-# define __local_multiple_threads __libc_multiple_threads
-# elif defined IS_IN_librt
-# define CENABLE(reg) jmp(reg, __librt_enable_asynccancel)
-# define CDISABLE(reg) jmp(reg, __librt_disable_asynccancel)
-# else
-# error Unsupported library
-# endif
-#elif !defined __ASSEMBLER__
+#else
/* For rtld, et cetera. */
# define SINGLE_THREAD_P 1
@@ -197,77 +38,7 @@
#endif
-
-
-
-
-
-
-#ifndef __ASSEMBLER__
-# define RTLD_SINGLE_THREAD_P \
+#define RTLD_SINGLE_THREAD_P \
__builtin_expect (THREAD_GETMEM (THREAD_SELF, \
header.multiple_threads) == 0, 1)
-#endif
-
-
-
-#ifdef PIC
-#define PSEUDO_RET \
- .pic \
- .align 2; \
- bgez $r0, 1f; \
- sltsi $r1, $r0, -4096; \
- bgtz $r1, 1f; \
- PIC_jmp_err \
- nop; \
- 1:
-#else /* PIC*/
-#define PSEUDO_RET \
- .align 2; \
- bgez $r0, 1f; \
- sltsi $r1, $r0, -4096; \
- bgtz $r1, 1f; \
- j SYSCALL_ERROR; \
- 1:
-#endif
-#ifdef PIC
-#define jmp(reg, symble) PIC_jmpr(reg, symble)
-/* reg: available register */
-#define PIC_jmp_err \
- smw.adm $sp,[$sp],$sp,#0x6; \
- mfusr $r15, $PC; \
- sethi $gp, hi20(_GLOBAL_OFFSET_TABLE_ + 4); \
- ori $gp, $gp, lo12(_GLOBAL_OFFSET_TABLE_ + 8); \
- add $gp, $r15, $gp; \
- sethi $r15, hi20(SYSCALL_ERROR@PLT); \
- ori $r15, $r15, lo12(SYSCALL_ERROR@PLT); \
- add $r15, $r15, $gp; \
- jral $r15; \
- lmw.bim $sp,[$sp],$sp,#0x6; \
- ret;
-
-#define PIC_jmp(reg, symble) \
- mfusr $r15, $PC; \
- sethi reg, hi20(_GLOBAL_OFFSET_TABLE_ + 4); \
- ori reg, reg, lo12(_GLOBAL_OFFSET_TABLE_ + 8); \
- add reg, $r15, reg; \
- sethi $r15, hi20(symble@PLT); \
- ori $r15, $r15, lo12(symble@PLT); \
- add $r15, $r15, reg; \
- jr $r15;
-
-
-#define PIC_jmpr(reg, symble) \
- mfusr $r15, $PC; \
- sethi reg, hi20(_GLOBAL_OFFSET_TABLE_ + 4); \
- ori reg, reg, lo12(_GLOBAL_OFFSET_TABLE_ + 8); \
- add reg, $r15, reg; \
- sethi $r15, hi20(symble@PLT); \
- ori $r15, $r15, lo12(symble@PLT); \
- add $r15, $r15, reg; \
- jral $r15;
-
-#else
-#define jmp(reg, symble) jal symble
-#endif
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