195 lines
7.8 KiB
Diff
195 lines
7.8 KiB
Diff
--- a/extra/Configs/Config.in
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+++ b/extra/Configs/Config.in
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@@ -235,6 +235,7 @@ config TARGET_SUBARCH
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default "i486" if CONFIG_486
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default "i586" if CONFIG_586 || CONFIG_586MMX
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default "i686" if TARGET_ARCH = "i386"
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+ default "mips64" if CONFIG_MIPS_N64_ABI
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default ""
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source "extra/Configs/Config.in.arch"
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--- /dev/null
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+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/mips/mips64/sysdep-cancel.h
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@@ -0,0 +1,182 @@
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+/* Copyright (C) 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
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+ This file is part of the GNU C Library.
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+
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+ The GNU C Library is free software; you can redistribute it and/or
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+ modify it under the terms of the GNU Lesser General Public
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+ License as published by the Free Software Foundation; either
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+ version 2.1 of the License, or (at your option) any later version.
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+
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+ The GNU C Library is distributed in the hope that it will be useful,
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+ but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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+ Lesser General Public License for more details.
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+
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+ You should have received a copy of the GNU Lesser General Public
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+ License along with the GNU C Library. If not, see
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+ <http://www.gnu.org/licenses/>. */
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+
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+#include <sysdep.h>
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+#include <tls.h>
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+#ifndef __ASSEMBLER__
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+# include <pthreadP.h>
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+#endif
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+#include <sys/asm.h>
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+
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+/* Gas will put the initial save of $gp into the CIE, because it appears to
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+ happen before any instructions. So we use cfi_same_value instead of
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+ cfi_restore. */
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+
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+#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt
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+
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+#ifdef __PIC__
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+# undef PSEUDO
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+# define PSEUDO(name, syscall_name, args) \
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+ .align 2; \
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+ L(pseudo_start): \
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+ cfi_startproc; \
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+ cfi_adjust_cfa_offset (STKSPACE); \
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+ cfi_rel_offset (gp, STKOFF_GP); \
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+ 99: move a0, v0; \
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+ PTR_LA t9,__syscall_error; \
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+ /* manual cpreturn */ \
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+ REG_L gp, STKOFF_GP(sp); \
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+ cfi_same_value (gp); \
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+ RESTORESTK; \
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+ jr t9; \
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+ .type __##syscall_name##_nocancel, @function; \
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+ .globl __##syscall_name##_nocancel; \
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+ __##syscall_name##_nocancel: \
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+ SAVESTK; \
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+ .cpsetup t9, STKOFF_GP, name; \
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+ cfi_rel_offset (gp, STKOFF_GP); \
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+ li v0, SYS_ify(syscall_name); \
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+ syscall; \
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+ bne a3, zero, SYSCALL_ERROR_LABEL; \
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+ /* manual cpreturn */ \
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+ REG_L gp, STKOFF_GP(sp); \
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+ cfi_same_value (gp); \
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+ RESTORESTK; \
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+ ret; \
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+ .size __##syscall_name##_nocancel,.-__##syscall_name##_nocancel; \
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+ ENTRY (name) \
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+ SAVESTK; \
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+ .cpsetup t9, STKOFF_GP, name; \
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+ cfi_rel_offset (gp, STKOFF_GP); \
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+ SINGLE_THREAD_P(v1); \
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+ bne zero, v1, L(pseudo_cancel); \
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+ .set noreorder; \
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+ li v0, SYS_ify(syscall_name); \
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+ syscall; \
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+ .set reorder; \
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+ bne a3, zero, SYSCALL_ERROR_LABEL; \
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+ /* manual cpreturn */ \
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+ REG_L gp, STKOFF_GP(sp); \
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+ cfi_same_value (gp); \
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+ RESTORESTK; \
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+ ret; \
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+ L(pseudo_cancel): \
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+ cfi_adjust_cfa_offset (STKSPACE); \
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+ cfi_rel_offset (gp, STKOFF_GP); \
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+ REG_S ra, STKOFF_RA(sp); \
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+ cfi_rel_offset (ra, STKOFF_RA); \
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+ PUSHARGS_##args; /* save syscall args */ \
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+ CENABLE; \
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+ REG_S v0, STKOFF_SVMSK(sp); /* save mask */ \
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+ POPARGS_##args; /* restore syscall args */ \
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+ .set noreorder; \
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+ li v0, SYS_ify (syscall_name); \
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+ syscall; \
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+ .set reorder; \
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+ REG_S v0, STKOFF_SC_V0(sp); /* save syscall result */ \
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+ REG_S a3, STKOFF_SC_ERR(sp); /* save syscall error flag */ \
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+ REG_L a0, STKOFF_SVMSK(sp); /* pass mask as arg1 */ \
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+ CDISABLE; \
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+ REG_L a3, STKOFF_SC_ERR(sp); /* restore syscall error flag */ \
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+ REG_L ra, STKOFF_RA(sp); /* restore return address */ \
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+ REG_L v0, STKOFF_SC_V0(sp); /* restore syscall result */ \
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+ bne a3, zero, SYSCALL_ERROR_LABEL; \
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+ /* manual cpreturn */ \
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+ REG_L gp, STKOFF_GP(sp); \
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+ cfi_same_value (gp); \
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+ RESTORESTK; \
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+ L(pseudo_end):
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+
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+
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+# undef PSEUDO_END
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+# define PSEUDO_END(sym) cfi_endproc; .end sym; .size sym,.-sym
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+
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+#endif
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+
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+# define PUSHARGS_0 /* nothing to do */
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+# define PUSHARGS_1 PUSHARGS_0 REG_S a0, STKOFF_A0(sp); cfi_rel_offset (a0, STKOFF_A0);
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+# define PUSHARGS_2 PUSHARGS_1 REG_S a1, STKOFF_A1(sp); cfi_rel_offset (a1, STKOFF_A1);
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+# define PUSHARGS_3 PUSHARGS_2 REG_S a2, STKOFF_A2(sp); cfi_rel_offset (a2, STKOFF_A2);
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+# define PUSHARGS_4 PUSHARGS_3 REG_S a3, STKOFF_A3(sp); cfi_rel_offset (a3, STKOFF_A3);
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+# define PUSHARGS_5 PUSHARGS_4 REG_S a4, STKOFF_A4(sp); cfi_rel_offset (a3, STKOFF_A4);
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+# define PUSHARGS_6 PUSHARGS_5 REG_S a5, STKOFF_A5(sp); cfi_rel_offset (a3, STKOFF_A5);
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+
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+# define POPARGS_0 /* nothing to do */
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+# define POPARGS_1 POPARGS_0 REG_L a0, STKOFF_A0(sp);
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+# define POPARGS_2 POPARGS_1 REG_L a1, STKOFF_A1(sp);
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+# define POPARGS_3 POPARGS_2 REG_L a2, STKOFF_A2(sp);
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+# define POPARGS_4 POPARGS_3 REG_L a3, STKOFF_A3(sp);
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+# define POPARGS_5 POPARGS_4 REG_L a4, STKOFF_A4(sp);
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+# define POPARGS_6 POPARGS_5 REG_L a5, STKOFF_A5(sp);
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+
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+/* Save an even number of slots. Should be 0 if an even number of slots
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+ are used below, or SZREG if an odd number are used. */
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+# define STK_PAD SZREG
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+
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+/* Place values that we are more likely to use later in this sequence, i.e.
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+ closer to the SP at function entry. If you do that, the are more
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+ likely to already be in your d-cache. */
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+# define STKOFF_A5 (STK_PAD)
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+# define STKOFF_A4 (STKOFF_A5 + SZREG)
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+# define STKOFF_A3 (STKOFF_A4 + SZREG)
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+# define STKOFF_A2 (STKOFF_A3 + SZREG) /* MT and more args. */
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+# define STKOFF_A1 (STKOFF_A2 + SZREG) /* MT and 2 args. */
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+# define STKOFF_A0 (STKOFF_A1 + SZREG) /* MT and 1 arg. */
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+# define STKOFF_RA (STKOFF_A0 + SZREG) /* Used if MT. */
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+# define STKOFF_SC_V0 (STKOFF_RA + SZREG) /* Used if MT. */
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+# define STKOFF_SC_ERR (STKOFF_SC_V0 + SZREG) /* Used if MT. */
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+# define STKOFF_SVMSK (STKOFF_SC_ERR + SZREG) /* Used if MT. */
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+# define STKOFF_GP (STKOFF_SVMSK + SZREG) /* Always used. */
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+
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+# define STKSPACE (STKOFF_GP + SZREG)
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+# define SAVESTK PTR_SUBU sp, STKSPACE; cfi_adjust_cfa_offset(STKSPACE)
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+# define RESTORESTK PTR_ADDU sp, STKSPACE; cfi_adjust_cfa_offset(-STKSPACE)
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+
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+# ifdef IS_IN_libpthread
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+# define CENABLE PTR_LA t9, __pthread_enable_asynccancel; jalr t9
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+# define CDISABLE PTR_LA t9, __pthread_disable_asynccancel; jalr t9
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+# elif defined IS_IN_librt
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+# define CENABLE PTR_LA t9, __librt_enable_asynccancel; jalr t9
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+# define CDISABLE PTR_LA t9, __librt_disable_asynccancel; jalr t9
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+# else
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+# define CENABLE PTR_LA t9, __libc_enable_asynccancel; jalr t9
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+# define CDISABLE PTR_LA t9, __libc_disable_asynccancel; jalr t9
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+# endif
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+
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+# ifndef __ASSEMBLER__
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+# define SINGLE_THREAD_P \
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+ __builtin_expect (THREAD_GETMEM (THREAD_SELF, \
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+ header.multiple_threads) \
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+ == 0, 1)
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+# else
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+# define SINGLE_THREAD_P(reg) \
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+ READ_THREAD_POINTER(reg); \
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+ lw reg, MULTIPLE_THREADS_OFFSET(reg)
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+#endif
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+
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+#elif !defined __ASSEMBLER__
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+
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+# define SINGLE_THREAD_P 1
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+# define NO_CANCELLATION 1
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+
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+#endif
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+
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+#ifndef __ASSEMBLER__
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+# define RTLD_SINGLE_THREAD_P \
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+ __builtin_expect (THREAD_GETMEM (THREAD_SELF, \
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+ header.multiple_threads) == 0, 1)
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+#endif
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