diff options
Diffstat (limited to 'toolchain/uClibc/patches-0.9.33.2/619-mips64_fix_sysdep_cancel.patch')
| -rw-r--r-- | toolchain/uClibc/patches-0.9.33.2/619-mips64_fix_sysdep_cancel.patch | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/toolchain/uClibc/patches-0.9.33.2/619-mips64_fix_sysdep_cancel.patch b/toolchain/uClibc/patches-0.9.33.2/619-mips64_fix_sysdep_cancel.patch new file mode 100644 index 0000000..d590359 --- /dev/null +++ b/toolchain/uClibc/patches-0.9.33.2/619-mips64_fix_sysdep_cancel.patch @@ -0,0 +1,195 @@ +--- 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 |