| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195 |
- --- a/extra/Configs/Config.in
- +++ b/extra/Configs/Config.in
- @@ -235,6 +235,7 @@ config TARGET_SUBARCH
- default "i486" if CONFIG_486
- default "i586" if CONFIG_586 || CONFIG_586MMX
- default "i686" if TARGET_ARCH = "i386"
- + default "mips64" if CONFIG_MIPS_N64_ABI
- default ""
-
- source "extra/Configs/Config.in.arch"
- --- /dev/null
- +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/mips/mips64/sysdep-cancel.h
- @@ -0,0 +1,182 @@
- +/* Copyright (C) 2003, 2004, 2005, 2006 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 <tls.h>
- +#ifndef __ASSEMBLER__
- +# include <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 !defined NOT_IN_libc || defined IS_IN_libpthread || defined 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: move a0, v0; \
- + 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, name; \
- + 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; \
- + .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):
- +
- +
- +# undef PSEUDO_END
- +# define PSEUDO_END(sym) cfi_endproc; .end sym; .size sym,.-sym
- +
- +#endif
- +
- +# 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. */
- +# define STK_PAD SZREG
- +
- +/* 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. */
- +# define STKOFF_GP (STKOFF_SVMSK + SZREG) /* Always used. */
- +
- +# define STKSPACE (STKOFF_GP + SZREG)
- +# define SAVESTK PTR_SUBU sp, STKSPACE; cfi_adjust_cfa_offset(STKSPACE)
- +# define RESTORESTK PTR_ADDU sp, STKSPACE; cfi_adjust_cfa_offset(-STKSPACE)
- +
- +# ifdef IS_IN_libpthread
- +# define CENABLE PTR_LA t9, __pthread_enable_asynccancel; jalr t9
- +# define CDISABLE PTR_LA t9, __pthread_disable_asynccancel; jalr t9
- +# elif defined IS_IN_librt
- +# define CENABLE PTR_LA t9, __librt_enable_asynccancel; jalr t9
- +# define CDISABLE PTR_LA t9, __librt_disable_asynccancel; jalr t9
- +# else
- +# define CENABLE PTR_LA t9, __libc_enable_asynccancel; jalr t9
- +# define CDISABLE PTR_LA t9, __libc_disable_asynccancel; jalr t9
- +# 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
|
