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Diffstat (limited to 'sysdeps/unix/sysv/linux/mips/mips64/sysdep-cancel.h')
-rw-r--r--sysdeps/unix/sysv/linux/mips/mips64/sysdep-cancel.h249
1 files changed, 0 insertions, 249 deletions
diff --git a/sysdeps/unix/sysv/linux/mips/mips64/sysdep-cancel.h b/sysdeps/unix/sysv/linux/mips/mips64/sysdep-cancel.h
deleted file mode 100644
index daf75e7350..0000000000
--- a/sysdeps/unix/sysv/linux/mips/mips64/sysdep-cancel.h
+++ /dev/null
@@ -1,249 +0,0 @@
-/* Copyright (C) 2003-2016 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library. If not, see
- <http://www.gnu.org/licenses/>. */
-
-#include <sysdep.h>
-#include <sysdeps/generic/sysdep.h>
-#include <tls.h>
-#ifndef __ASSEMBLER__
-# include <nptl/pthreadP.h>
-#endif
-#include <sys/asm.h>
-
-/* Gas will put the initial save of $gp into the CIE, because it appears to
- happen before any instructions. So we use cfi_same_value instead of
- cfi_restore. */
-
-#if IS_IN (libc) || IS_IN (libpthread) || IS_IN (librt)
-
-#ifdef __PIC__
-# undef PSEUDO
-# define PSEUDO(name, syscall_name, args) \
- .align 2; \
- L(pseudo_start): \
- cfi_startproc; \
- cfi_adjust_cfa_offset (STKSPACE); \
- cfi_rel_offset (gp, STKOFF_GP); \
- 99: PTR_LA t9,__syscall_error; \
- /* manual cpreturn */ \
- REG_L gp, STKOFF_GP(sp); \
- cfi_same_value (gp); \
- RESTORESTK; \
- jr t9; \
- .type __##syscall_name##_nocancel, @function; \
- .globl __##syscall_name##_nocancel; \
- __##syscall_name##_nocancel: \
- SAVESTK; \
- .cpsetup t9, STKOFF_GP, __##syscall_name##_nocancel; \
- cfi_rel_offset (gp, STKOFF_GP); \
- li v0, SYS_ify(syscall_name); \
- syscall; \
- bne a3, zero, SYSCALL_ERROR_LABEL; \
- /* manual cpreturn */ \
- REG_L gp, STKOFF_GP(sp); \
- cfi_same_value (gp); \
- RESTORESTK; \
- ret; \
- cfi_endproc; \
- .size __##syscall_name##_nocancel,.-__##syscall_name##_nocancel; \
- ENTRY (name) \
- SAVESTK; \
- .cpsetup t9, STKOFF_GP, name; \
- cfi_rel_offset (gp, STKOFF_GP); \
- SINGLE_THREAD_P(v1); \
- bne zero, v1, L(pseudo_cancel); \
- .set noreorder; \
- li v0, SYS_ify(syscall_name); \
- syscall; \
- .set reorder; \
- bne a3, zero, SYSCALL_ERROR_LABEL; \
- /* manual cpreturn */ \
- REG_L gp, STKOFF_GP(sp); \
- cfi_same_value (gp); \
- RESTORESTK; \
- ret; \
- L(pseudo_cancel): \
- cfi_adjust_cfa_offset (STKSPACE); \
- cfi_rel_offset (gp, STKOFF_GP); \
- REG_S ra, STKOFF_RA(sp); \
- cfi_rel_offset (ra, STKOFF_RA); \
- PUSHARGS_##args; /* save syscall args */ \
- CENABLE; \
- REG_S v0, STKOFF_SVMSK(sp); /* save mask */ \
- POPARGS_##args; /* restore syscall args */ \
- .set noreorder; \
- li v0, SYS_ify (syscall_name); \
- syscall; \
- .set reorder; \
- REG_S v0, STKOFF_SC_V0(sp); /* save syscall result */ \
- REG_S a3, STKOFF_SC_ERR(sp); /* save syscall error flag */ \
- REG_L a0, STKOFF_SVMSK(sp); /* pass mask as arg1 */ \
- CDISABLE; \
- REG_L a3, STKOFF_SC_ERR(sp); /* restore syscall error flag */ \
- REG_L ra, STKOFF_RA(sp); /* restore return address */ \
- REG_L v0, STKOFF_SC_V0(sp); /* restore syscall result */ \
- bne a3, zero, SYSCALL_ERROR_LABEL; \
- /* manual cpreturn */ \
- REG_L gp, STKOFF_GP(sp); \
- cfi_same_value (gp); \
- RESTORESTK; \
- L(pseudo_end):
-#else
-# undef PSEUDO
-# define PSEUDO(name, syscall_name, args) \
- .align 2; \
- L(pseudo_start): \
- cfi_startproc; \
- cfi_adjust_cfa_offset (STKSPACE); \
- 99: RESTORESTK; \
- j __syscall_error; \
- .type __##syscall_name##_nocancel, @function; \
- .globl __##syscall_name##_nocancel; \
- __##syscall_name##_nocancel: \
- SAVESTK; \
- li v0, SYS_ify(syscall_name); \
- syscall; \
- bne a3, zero, SYSCALL_ERROR_LABEL; \
- RESTORESTK; \
- ret; \
- cfi_endproc; \
- .size __##syscall_name##_nocancel,.-__##syscall_name##_nocancel; \
- ENTRY (name) \
- SAVESTK; \
- SINGLE_THREAD_P(v1); \
- bne zero, v1, L(pseudo_cancel); \
- .set noreorder; \
- li v0, SYS_ify(syscall_name); \
- syscall; \
- .set reorder; \
- bne a3, zero, SYSCALL_ERROR_LABEL; \
- RESTORESTK; \
- ret; \
- L(pseudo_cancel): \
- cfi_adjust_cfa_offset (STKSPACE); \
- REG_S ra, STKOFF_RA(sp); \
- cfi_rel_offset (ra, STKOFF_RA); \
- PUSHARGS_##args; /* save syscall args */ \
- CENABLE; \
- REG_S v0, STKOFF_SVMSK(sp); /* save mask */ \
- POPARGS_##args; /* restore syscall args */ \
- .set noreorder; \
- li v0, SYS_ify (syscall_name); \
- syscall; \
- .set reorder; \
- REG_S v0, STKOFF_SC_V0(sp); /* save syscall result */ \
- REG_S a3, STKOFF_SC_ERR(sp); /* save syscall error flag */ \
- REG_L a0, STKOFF_SVMSK(sp); /* pass mask as arg1 */ \
- CDISABLE; \
- REG_L a3, STKOFF_SC_ERR(sp); /* restore syscall error flag */ \
- REG_L ra, STKOFF_RA(sp); /* restore return address */ \
- REG_L v0, STKOFF_SC_V0(sp); /* restore syscall result */ \
- bne a3, zero, SYSCALL_ERROR_LABEL; \
- RESTORESTK; \
- L(pseudo_end):
-#endif
-
-# undef PSEUDO_END
-# define PSEUDO_END(sym) cfi_endproc; .end sym; .size sym,.-sym
-
-# define PUSHARGS_0 /* nothing to do */
-# define PUSHARGS_1 PUSHARGS_0 REG_S a0, STKOFF_A0(sp); cfi_rel_offset (a0, STKOFF_A0);
-# define PUSHARGS_2 PUSHARGS_1 REG_S a1, STKOFF_A1(sp); cfi_rel_offset (a1, STKOFF_A1);
-# define PUSHARGS_3 PUSHARGS_2 REG_S a2, STKOFF_A2(sp); cfi_rel_offset (a2, STKOFF_A2);
-# define PUSHARGS_4 PUSHARGS_3 REG_S a3, STKOFF_A3(sp); cfi_rel_offset (a3, STKOFF_A3);
-# define PUSHARGS_5 PUSHARGS_4 REG_S a4, STKOFF_A4(sp); cfi_rel_offset (a3, STKOFF_A4);
-# define PUSHARGS_6 PUSHARGS_5 REG_S a5, STKOFF_A5(sp); cfi_rel_offset (a3, STKOFF_A5);
-
-# define POPARGS_0 /* nothing to do */
-# define POPARGS_1 POPARGS_0 REG_L a0, STKOFF_A0(sp);
-# define POPARGS_2 POPARGS_1 REG_L a1, STKOFF_A1(sp);
-# define POPARGS_3 POPARGS_2 REG_L a2, STKOFF_A2(sp);
-# define POPARGS_4 POPARGS_3 REG_L a3, STKOFF_A3(sp);
-# define POPARGS_5 POPARGS_4 REG_L a4, STKOFF_A4(sp);
-# define POPARGS_6 POPARGS_5 REG_L a5, STKOFF_A5(sp);
-
-/* Save an even number of slots. Should be 0 if an even number of slots
- are used below, or SZREG if an odd number are used. */
-# ifdef __PIC__
-# define STK_PAD SZREG
-# else
-# define STK_PAD 0
-# endif
-
-/* Place values that we are more likely to use later in this sequence, i.e.
- closer to the SP at function entry. If you do that, the are more
- likely to already be in your d-cache. */
-# define STKOFF_A5 (STK_PAD)
-# define STKOFF_A4 (STKOFF_A5 + SZREG)
-# define STKOFF_A3 (STKOFF_A4 + SZREG)
-# define STKOFF_A2 (STKOFF_A3 + SZREG) /* MT and more args. */
-# define STKOFF_A1 (STKOFF_A2 + SZREG) /* MT and 2 args. */
-# define STKOFF_A0 (STKOFF_A1 + SZREG) /* MT and 1 arg. */
-# define STKOFF_RA (STKOFF_A0 + SZREG) /* Used if MT. */
-# define STKOFF_SC_V0 (STKOFF_RA + SZREG) /* Used if MT. */
-# define STKOFF_SC_ERR (STKOFF_SC_V0 + SZREG) /* Used if MT. */
-# define STKOFF_SVMSK (STKOFF_SC_ERR + SZREG) /* Used if MT. */
-
-# ifdef __PIC__
-# define STKOFF_GP (STKOFF_SVMSK + SZREG) /* Always used. */
-# define STKSPACE (STKOFF_GP + SZREG)
-# else
-# define STKSPACE (STKOFF_SVMSK + SZREG)
-# endif
-
-# define SAVESTK PTR_SUBU sp, STKSPACE; cfi_adjust_cfa_offset(STKSPACE)
-# define RESTORESTK PTR_ADDU sp, STKSPACE; cfi_adjust_cfa_offset(-STKSPACE)
-
-# ifdef __PIC__
-# define PSEUDO_JMP(sym) PTR_LA t9, sym; jalr t9
-# else
-# define PSEUDO_JMP(sym) jal sym
-# endif
-
-# if IS_IN (libpthread)
-# define CENABLE PSEUDO_JMP (__pthread_enable_asynccancel)
-# define CDISABLE PSEUDO_JMP (__pthread_disable_asynccancel)
-# elif IS_IN (librt)
-# define CENABLE PSEUDO_JMP (__librt_enable_asynccancel)
-# define CDISABLE PSEUDO_JMP (__librt_disable_asynccancel)
-# else
-# define CENABLE PSEUDO_JMP (__libc_enable_asynccancel)
-# define CDISABLE PSEUDO_JMP (__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) \
- READ_THREAD_POINTER(reg); \
- lw reg, MULTIPLE_THREADS_OFFSET(reg)
-#endif
-
-#elif !defined __ASSEMBLER__
-
-# 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
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