mirror of
https://github.com/classilla/tenfourfox.git
synced 2024-09-07 21:54:29 +00:00
695 lines
22 KiB
C
695 lines
22 KiB
C
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/*
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* This file is used by not only Linux but also other glibc systems
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* such as GNU/Hurd and GNU/k*BSD.
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*/
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#ifndef nspr_linux_defs_h___
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#define nspr_linux_defs_h___
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#include "prthread.h"
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/*
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* Internal configuration macros
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*/
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#define PR_LINKER_ARCH "linux"
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#define _PR_SI_SYSNAME "LINUX"
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#ifdef __powerpc64__
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#define _PR_SI_ARCHITECTURE "ppc64"
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#elif defined(__powerpc__)
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#define _PR_SI_ARCHITECTURE "ppc"
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#elif defined(__alpha)
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#define _PR_SI_ARCHITECTURE "alpha"
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#elif defined(__ia64__)
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#define _PR_SI_ARCHITECTURE "ia64"
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#elif defined(__x86_64__)
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#define _PR_SI_ARCHITECTURE "x86-64"
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#elif defined(__mc68000__)
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#define _PR_SI_ARCHITECTURE "m68k"
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#elif defined(__sparc__) && defined(__arch64__)
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#define _PR_SI_ARCHITECTURE "sparc64"
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#elif defined(__sparc__)
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#define _PR_SI_ARCHITECTURE "sparc"
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#elif defined(__i386__)
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#define _PR_SI_ARCHITECTURE "x86"
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#elif defined(__mips__)
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#define _PR_SI_ARCHITECTURE "mips"
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#elif defined(__arm__)
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#define _PR_SI_ARCHITECTURE "arm"
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#elif defined(__aarch64__)
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#define _PR_SI_ARCHITECTURE "aarch64"
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#elif defined(__hppa__)
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#define _PR_SI_ARCHITECTURE "hppa"
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#elif defined(__s390x__)
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#define _PR_SI_ARCHITECTURE "s390x"
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#elif defined(__s390__)
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#define _PR_SI_ARCHITECTURE "s390"
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#elif defined(__sh__)
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#define _PR_SI_ARCHITECTURE "sh"
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#elif defined(__avr32__)
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#define _PR_SI_ARCHITECTURE "avr32"
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#elif defined(__m32r__)
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#define _PR_SI_ARCHITECTURE "m32r"
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#elif defined(__or1k__)
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#define _PR_SI_ARCHITECTURE "or1k"
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#else
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#error "Unknown CPU architecture"
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#endif
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#define PR_DLL_SUFFIX ".so"
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#define _PR_VMBASE 0x30000000
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#define _PR_STACK_VMBASE 0x50000000
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#define _MD_DEFAULT_STACK_SIZE 65536L
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#define _MD_MMAP_FLAGS MAP_PRIVATE
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#if defined(__aarch64__) || defined(__mips__)
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#define _MD_MINIMUM_STACK_SIZE 0x20000
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#endif
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#undef HAVE_STACK_GROWING_UP
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/*
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* Elf linux supports dl* functions
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*/
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#define HAVE_DLL
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#define USE_DLFCN
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#if defined(ANDROID)
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#define NO_DLOPEN_NULL
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#endif
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#if defined(__FreeBSD_kernel__) || defined(__GNU__)
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#define _PR_HAVE_SOCKADDR_LEN
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#endif
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#if defined(__i386__)
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#define _PR_HAVE_ATOMIC_OPS
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#define _MD_INIT_ATOMIC()
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extern PRInt32 _PR_x86_AtomicIncrement(PRInt32 *val);
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#define _MD_ATOMIC_INCREMENT _PR_x86_AtomicIncrement
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extern PRInt32 _PR_x86_AtomicDecrement(PRInt32 *val);
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#define _MD_ATOMIC_DECREMENT _PR_x86_AtomicDecrement
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extern PRInt32 _PR_x86_AtomicAdd(PRInt32 *ptr, PRInt32 val);
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#define _MD_ATOMIC_ADD _PR_x86_AtomicAdd
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extern PRInt32 _PR_x86_AtomicSet(PRInt32 *val, PRInt32 newval);
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#define _MD_ATOMIC_SET _PR_x86_AtomicSet
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#endif
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#if defined(__ia64__)
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#define _PR_HAVE_ATOMIC_OPS
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#define _MD_INIT_ATOMIC()
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extern PRInt32 _PR_ia64_AtomicIncrement(PRInt32 *val);
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#define _MD_ATOMIC_INCREMENT _PR_ia64_AtomicIncrement
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extern PRInt32 _PR_ia64_AtomicDecrement(PRInt32 *val);
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#define _MD_ATOMIC_DECREMENT _PR_ia64_AtomicDecrement
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extern PRInt32 _PR_ia64_AtomicAdd(PRInt32 *ptr, PRInt32 val);
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#define _MD_ATOMIC_ADD _PR_ia64_AtomicAdd
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extern PRInt32 _PR_ia64_AtomicSet(PRInt32 *val, PRInt32 newval);
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#define _MD_ATOMIC_SET _PR_ia64_AtomicSet
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#endif
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#if defined(__x86_64__)
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#define _PR_HAVE_ATOMIC_OPS
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#define _MD_INIT_ATOMIC()
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extern PRInt32 _PR_x86_64_AtomicIncrement(PRInt32 *val);
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#define _MD_ATOMIC_INCREMENT _PR_x86_64_AtomicIncrement
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extern PRInt32 _PR_x86_64_AtomicDecrement(PRInt32 *val);
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#define _MD_ATOMIC_DECREMENT _PR_x86_64_AtomicDecrement
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extern PRInt32 _PR_x86_64_AtomicAdd(PRInt32 *ptr, PRInt32 val);
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#define _MD_ATOMIC_ADD _PR_x86_64_AtomicAdd
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extern PRInt32 _PR_x86_64_AtomicSet(PRInt32 *val, PRInt32 newval);
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#define _MD_ATOMIC_SET _PR_x86_64_AtomicSet
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#endif
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#if defined(__or1k__)
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#if defined(__GNUC__)
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/* Use GCC built-in functions */
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#define _PR_HAVE_ATOMIC_OPS
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#define _MD_INIT_ATOMIC()
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#define _MD_ATOMIC_INCREMENT(ptr) __sync_add_and_fetch(ptr, 1)
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#define _MD_ATOMIC_DECREMENT(ptr) __sync_sub_and_fetch(ptr, 1)
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#define _MD_ATOMIC_ADD(ptr, i) __sync_add_and_fetch(ptr, i)
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#define _MD_ATOMIC_SET(ptr, nv) __sync_lock_test_and_set(ptr, nv)
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#endif
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#endif
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#if defined(__powerpc__) && !defined(__powerpc64__)
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#define _PR_HAVE_ATOMIC_OPS
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#define _MD_INIT_ATOMIC()
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extern PRInt32 _PR_ppc_AtomicIncrement(PRInt32 *val);
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#define _MD_ATOMIC_INCREMENT _PR_ppc_AtomicIncrement
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extern PRInt32 _PR_ppc_AtomicDecrement(PRInt32 *val);
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#define _MD_ATOMIC_DECREMENT _PR_ppc_AtomicDecrement
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extern PRInt32 _PR_ppc_AtomicAdd(PRInt32 *ptr, PRInt32 val);
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#define _MD_ATOMIC_ADD _PR_ppc_AtomicAdd
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extern PRInt32 _PR_ppc_AtomicSet(PRInt32 *val, PRInt32 newval);
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#define _MD_ATOMIC_SET _PR_ppc_AtomicSet
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#endif
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#if defined(__powerpc64__)
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#if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1)
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/* Use GCC built-in functions */
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#define _PR_HAVE_ATOMIC_OPS
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#define _MD_INIT_ATOMIC()
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#define _MD_ATOMIC_INCREMENT(ptr) __sync_add_and_fetch(ptr, 1)
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#define _MD_ATOMIC_DECREMENT(ptr) __sync_sub_and_fetch(ptr, 1)
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#define _MD_ATOMIC_ADD(ptr, i) __sync_add_and_fetch(ptr, i)
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#define _MD_ATOMIC_SET(ptr, nv) __sync_lock_test_and_set(ptr, nv)
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#endif
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#endif
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#if defined(__mips__) && defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4)
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/* Use GCC built-in functions */
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#define _PR_HAVE_ATOMIC_OPS
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#define _MD_INIT_ATOMIC()
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#define _MD_ATOMIC_INCREMENT(ptr) __sync_add_and_fetch(ptr, 1)
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#define _MD_ATOMIC_DECREMENT(ptr) __sync_sub_and_fetch(ptr, 1)
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#define _MD_ATOMIC_ADD(ptr, i) __sync_add_and_fetch(ptr, i)
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#define _MD_ATOMIC_SET(ptr, nv) __sync_lock_test_and_set(ptr, nv)
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#endif
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#if defined(__alpha)
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#define _PR_HAVE_ATOMIC_OPS
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#define _MD_INIT_ATOMIC()
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#define _MD_ATOMIC_ADD(ptr, i) ({ \
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PRInt32 __atomic_tmp, __atomic_ret; \
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__asm__ __volatile__( \
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"1: ldl_l %[ret], %[val] \n" \
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" addl %[ret], %[inc], %[tmp] \n" \
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" addl %[ret], %[inc], %[ret] \n" \
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" stl_c %[tmp], %[val] \n" \
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" beq %[tmp], 2f \n" \
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".subsection 2 \n" \
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"2: br 1b \n" \
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".previous" \
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: [ret] "=&r" (__atomic_ret), \
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[tmp] "=&r" (__atomic_tmp), \
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[val] "=m" (*ptr) \
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: [inc] "Ir" (i), "m" (*ptr)); \
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__atomic_ret; \
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})
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#define _MD_ATOMIC_INCREMENT(ptr) _MD_ATOMIC_ADD(ptr, 1)
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#define _MD_ATOMIC_DECREMENT(ptr) ({ \
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PRInt32 __atomic_tmp, __atomic_ret; \
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__asm__ __volatile__( \
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"1: ldl_l %[ret], %[val] \n" \
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" subl %[ret], 1, %[tmp] \n" \
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" subl %[ret], 1, %[ret] \n" \
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" stl_c %[tmp], %[val] \n" \
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" beq %[tmp], 2f \n" \
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".subsection 2 \n" \
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"2: br 1b \n" \
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".previous" \
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: [ret] "=&r" (__atomic_ret), \
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[tmp] "=&r" (__atomic_tmp), \
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[val] "=m" (*ptr) \
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: "m" (*ptr)); \
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__atomic_ret; \
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})
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#define _MD_ATOMIC_SET(ptr, n) ({ \
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PRInt32 __atomic_tmp, __atomic_ret; \
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__asm__ __volatile__( \
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"1: ldl_l %[ret], %[val] \n" \
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" mov %[newval], %[tmp] \n" \
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" stl_c %[tmp], %[val] \n" \
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" beq %[tmp], 2f \n" \
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".subsection 2 \n" \
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"2: br 1b \n" \
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".previous" \
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: [ret] "=&r" (__atomic_ret), \
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[tmp] "=&r"(__atomic_tmp), \
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[val] "=m" (*ptr) \
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: [newval] "Ir" (n), "m" (*ptr)); \
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__atomic_ret; \
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})
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#endif
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#if defined(__arm__) || defined(__aarch64__)
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#if defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4)
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/* Use GCC built-in functions */
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#define _PR_HAVE_ATOMIC_OPS
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#define _MD_INIT_ATOMIC()
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#define _MD_ATOMIC_INCREMENT(ptr) __sync_add_and_fetch(ptr, 1)
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#define _MD_ATOMIC_DECREMENT(ptr) __sync_sub_and_fetch(ptr, 1)
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#define _MD_ATOMIC_SET(ptr, nv) __sync_lock_test_and_set(ptr, nv)
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#define _MD_ATOMIC_ADD(ptr, i) __sync_add_and_fetch(ptr, i)
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#elif defined(_PR_ARM_KUSER)
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#define _PR_HAVE_ATOMIC_OPS
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#define _MD_INIT_ATOMIC()
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/*
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* The kernel provides this helper function at a fixed address with a fixed
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* ABI signature, directly callable from user space.
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*
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* Definition:
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* Atomically store newval in *ptr if *ptr is equal to oldval.
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* Return zero if *ptr was changed or non-zero if no exchange happened.
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*/
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typedef int (__kernel_cmpxchg_t)(int oldval, int newval, volatile int *ptr);
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#define __kernel_cmpxchg (*(__kernel_cmpxchg_t *)0xffff0fc0)
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#define _MD_ATOMIC_INCREMENT(ptr) _MD_ATOMIC_ADD(ptr, 1)
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#define _MD_ATOMIC_DECREMENT(ptr) _MD_ATOMIC_ADD(ptr, -1)
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static inline PRInt32 _MD_ATOMIC_ADD(PRInt32 *ptr, PRInt32 n)
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{
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PRInt32 ov, nv;
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volatile PRInt32 *vp = ptr;
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do {
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ov = *vp;
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nv = ov + n;
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} while (__kernel_cmpxchg(ov, nv, vp));
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return nv;
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}
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static inline PRInt32 _MD_ATOMIC_SET(PRInt32 *ptr, PRInt32 nv)
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{
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PRInt32 ov;
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volatile PRInt32 *vp = ptr;
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do {
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ov = *vp;
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} while (__kernel_cmpxchg(ov, nv, vp));
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return ov;
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}
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#endif
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#endif /* __arm__ */
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#define USE_SETJMP
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#if (defined(__GLIBC__) && __GLIBC__ >= 2) || defined(ANDROID)
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#define _PR_POLL_AVAILABLE
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#endif
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#undef _PR_USE_POLL
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#define _PR_STAT_HAS_ONLY_ST_ATIME
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#if defined(__alpha) || defined(__ia64__)
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#define _PR_HAVE_LARGE_OFF_T
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#elif (__GLIBC__ > 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1) \
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|| defined(ANDROID)
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#define _PR_HAVE_OFF64_T
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#else
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#define _PR_NO_LARGE_FILES
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#endif
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#if (__GLIBC__ > 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1) \
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|| defined(ANDROID)
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#define _PR_INET6
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#define _PR_HAVE_INET_NTOP
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#define _PR_HAVE_GETHOSTBYNAME2
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#define _PR_HAVE_GETADDRINFO
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#define _PR_INET6_PROBE
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#endif
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#ifndef ANDROID
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#define _PR_HAVE_SYSV_SEMAPHORES
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#define PR_HAVE_SYSV_NAMED_SHARED_MEMORY
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#endif
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/* Android has gethostbyname_r but not gethostbyaddr_r or gethostbyname2_r. */
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#if (__GLIBC__ >= 2) && defined(_PR_PTHREADS)
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#define _PR_HAVE_GETHOST_R
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#define _PR_HAVE_GETHOST_R_INT
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#endif
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#ifdef _PR_PTHREADS
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extern void _MD_CleanupBeforeExit(void);
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#define _MD_CLEANUP_BEFORE_EXIT _MD_CleanupBeforeExit
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#else /* ! _PR_PTHREADS */
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#include <setjmp.h>
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#define PR_CONTEXT_TYPE sigjmp_buf
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#define CONTEXT(_th) ((_th)->md.context)
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#ifdef __powerpc__
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/*
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* PowerPC based MkLinux
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*
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* On the PowerPC, the new style jmp_buf isn't used until glibc
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* 2.1.
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*/
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#if (__GLIBC__ > 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1)
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#define _MD_GET_SP(_t) (_t)->md.context[0].__jmpbuf[JB_GPR1]
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#else
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#define _MD_GET_SP(_t) (_t)->md.context[0].__jmpbuf[0].__misc[0]
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#endif /* glibc 2.1 or later */
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#define _MD_SET_FP(_t, val)
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#define _MD_GET_SP_PTR(_t) &(_MD_GET_SP(_t))
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#define _MD_GET_FP_PTR(_t) ((void *) 0)
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/* aix = 64, macos = 70 */
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#define PR_NUM_GCREGS 64
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#elif defined(__alpha)
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/* Alpha based Linux */
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#if defined(__GLIBC__) && __GLIBC__ >= 2
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#define _MD_GET_SP(_t) (_t)->md.context[0].__jmpbuf[JB_SP]
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#define _MD_SET_FP(_t, val)
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#define _MD_GET_SP_PTR(_t) &(_MD_GET_SP(_t))
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#define _MD_GET_FP_PTR(_t) ((void *) 0)
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#define _MD_SP_TYPE long int
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#else
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#define _MD_GET_SP(_t) (_t)->md.context[0].__jmpbuf[0].__sp
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#define _MD_SET_FP(_t, val)
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#define _MD_GET_SP_PTR(_t) &(_MD_GET_SP(_t))
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#define _MD_GET_FP_PTR(_t) ((void *) 0)
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#define _MD_SP_TYPE __ptr_t
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#endif /* defined(__GLIBC__) && __GLIBC__ >= 2 */
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/* XXX not sure if this is correct, or maybe it should be 17? */
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#define PR_NUM_GCREGS 9
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#elif defined(__ia64__)
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#define _MD_GET_SP(_t) ((long *)((_t)->md.context[0].__jmpbuf)[0])
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#define _MD_SET_FP(_t, val)
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#define _MD_GET_SP_PTR(_t) &(_MD_GET_SP(_t))
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#define _MD_GET_FP_PTR(_t) ((void *) 0)
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#define _MD_SP_TYPE long int
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#define PR_NUM_GCREGS _JBLEN
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#elif defined(__mc68000__)
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/* m68k based Linux */
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/*
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* On the m68k, glibc still uses the old style sigjmp_buf, even
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* in glibc 2.0.7.
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*/
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#if defined(__GLIBC__) && __GLIBC__ >= 2
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#define _MD_GET_SP(_t) (_t)->md.context[0].__jmpbuf[0].__sp
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#define _MD_SET_FP(_t, val)
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#define _MD_GET_SP_PTR(_t) &(_MD_GET_SP(_t))
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#define _MD_GET_FP_PTR(_t) ((void *) 0)
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#define _MD_SP_TYPE int
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#else
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#define _MD_GET_SP(_t) (_t)->md.context[0].__jmpbuf[0].__sp
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#define _MD_SET_FP(_t, val)
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#define _MD_GET_SP_PTR(_t) &(_MD_GET_SP(_t))
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#define _MD_GET_FP_PTR(_t) ((void *) 0)
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#define _MD_SP_TYPE __ptr_t
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#endif /* defined(__GLIBC__) && __GLIBC__ >= 2 */
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/* XXX not sure if this is correct, or maybe it should be 17? */
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#define PR_NUM_GCREGS 9
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#elif defined(__sparc__)
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/* Sparc */
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#if defined(__GLIBC__) && __GLIBC__ >= 2
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/*
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* You need glibc2-2.0.7-25 or later. The libraries that came with
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* Red Hat 5.1 are not new enough, but they are in 5.2.
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*/
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#define _MD_GET_SP(_t) (_t)->md.context[0].__jmpbuf[JB_SP]
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#define _MD_SET_FP(_t, val) ((_t)->md.context[0].__jmpbuf[JB_FP] = val)
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#define _MD_GET_SP_PTR(_t) &(_MD_GET_SP(_t))
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#define _MD_GET_FP_PTR(_t) (&(_t)->md.context[0].__jmpbuf[JB_FP])
|
|
#define _MD_SP_TYPE int
|
|
#else
|
|
#define _MD_GET_SP(_t) (_t)->md.context[0].__jmpbuf[0].__fp
|
|
#define _MD_SET_FP(_t, val)
|
|
#define _MD_GET_SP_PTR(_t) &(_MD_GET_SP(_t))
|
|
#define _MD_GET_FP_PTR(_t) ((void *) 0)
|
|
#define _MD_SP_TYPE __ptr_t
|
|
#endif /* defined(__GLIBC__) && __GLIBC__ >= 2 */
|
|
|
|
#elif defined(__i386__)
|
|
/* Intel based Linux */
|
|
#if defined(__GLIBC__) && __GLIBC__ >= 2
|
|
#define _MD_GET_SP(_t) (_t)->md.context[0].__jmpbuf[JB_SP]
|
|
#define _MD_SET_FP(_t, val) ((_t)->md.context[0].__jmpbuf[JB_BP] = val)
|
|
#define _MD_GET_SP_PTR(_t) &(_MD_GET_SP(_t))
|
|
#define _MD_GET_FP_PTR(_t) (&(_t)->md.context[0].__jmpbuf[JB_BP])
|
|
#define _MD_SP_TYPE int
|
|
#else
|
|
#define _MD_GET_SP(_t) (_t)->md.context[0].__jmpbuf[0].__sp
|
|
#define _MD_SET_FP(_t, val) ((_t)->md.context[0].__jmpbuf[0].__bp = val)
|
|
#define _MD_GET_SP_PTR(_t) &(_MD_GET_SP(_t))
|
|
#define _MD_GET_FP_PTR(_t) &((_t)->md.context[0].__jmpbuf[0].__bp)
|
|
#define _MD_SP_TYPE __ptr_t
|
|
#endif /* defined(__GLIBC__) && __GLIBC__ >= 2 */
|
|
#define PR_NUM_GCREGS 6
|
|
|
|
#elif defined(__mips__)
|
|
/* Linux/MIPS */
|
|
#if defined(__GLIBC__) && __GLIBC__ >= 2
|
|
#define _MD_GET_SP(_t) (_t)->md.context[0].__jmpbuf[0].__sp
|
|
#define _MD_SET_FP(_t, val) ((_t)->md.context[0].__jmpbuf[0].__fp = (val))
|
|
#define _MD_GET_SP_PTR(_t) &(_MD_GET_SP(_t))
|
|
#define _MD_GET_FP_PTR(_t) (&(_t)->md.context[0].__jmpbuf[0].__fp)
|
|
#define _MD_SP_TYPE __ptr_t
|
|
#else
|
|
#error "Linux/MIPS pre-glibc2 not supported yet"
|
|
#endif /* defined(__GLIBC__) && __GLIBC__ >= 2 */
|
|
|
|
#elif defined(__arm__)
|
|
/* ARM/Linux */
|
|
#if defined(__GLIBC__) && __GLIBC__ >= 2
|
|
#ifdef __ARM_EABI__
|
|
/* EABI */
|
|
#define _MD_GET_SP(_t) (_t)->md.context[0].__jmpbuf[8]
|
|
#define _MD_SET_FP(_t, val) ((_t)->md.context[0].__jmpbuf[7] = (val))
|
|
#define _MD_GET_SP_PTR(_t) &(_MD_GET_SP(_t))
|
|
#define _MD_GET_FP_PTR(_t) (&(_t)->md.context[0].__jmpbuf[7])
|
|
#define _MD_SP_TYPE __ptr_t
|
|
#else /* __ARM_EABI__ */
|
|
/* old ABI */
|
|
#define _MD_GET_SP(_t) (_t)->md.context[0].__jmpbuf[20]
|
|
#define _MD_SET_FP(_t, val) ((_t)->md.context[0].__jmpbuf[19] = (val))
|
|
#define _MD_GET_SP_PTR(_t) &(_MD_GET_SP(_t))
|
|
#define _MD_GET_FP_PTR(_t) (&(_t)->md.context[0].__jmpbuf[19])
|
|
#define _MD_SP_TYPE __ptr_t
|
|
#endif /* __ARM_EABI__ */
|
|
#else
|
|
#error "ARM/Linux pre-glibc2 not supported yet"
|
|
#endif /* defined(__GLIBC__) && __GLIBC__ >= 2 */
|
|
|
|
#elif defined(__sh__)
|
|
/* SH/Linux */
|
|
#if defined(__GLIBC__) && __GLIBC__ >= 2
|
|
#define _MD_GET_SP(_t) (_t)->md.context[0].__jmpbuf[7]
|
|
#define _MD_SET_FP(_t, val) ((_t)->md.context[0].__jmpbuf[6] = (val))
|
|
#define _MD_GET_SP_PTR(_t) &(_MD_GET_SP(_t))
|
|
#define _MD_GET_FP_PTR(_t) (&(_t)->md.context[0].__jmpbuf[6])
|
|
#define _MD_SP_TYPE __ptr_t
|
|
#else
|
|
#error "SH/Linux pre-glibc2 not supported yet"
|
|
#endif /* defined(__GLIBC__) && __GLIBC__ >= 2 */
|
|
|
|
#elif defined(__m32r__)
|
|
/* Linux/M32R */
|
|
#if defined(__GLIBC__) && __GLIBC__ >= 2
|
|
#define _MD_GET_SP(_t) (_t)->md.context[0].__jmpbuf[0].__regs[JB_SP]
|
|
#define _MD_SET_FP(_t, val) ((_t)->md.context[0].__jmpbuf[0].__regs[JB_FP] = (val))
|
|
#define _MD_GET_SP_PTR(_t) &(_MD_GET_SP(_t))
|
|
#define _MD_GET_FP_PTR(_t) (&(_t)->md.context[0].__jmpbuf[0].__regs[JB_FP])
|
|
#define _MD_SP_TYPE __ptr_t
|
|
#else
|
|
#error "Linux/M32R pre-glibc2 not supported yet"
|
|
#endif /* defined(__GLIBC__) && __GLIBC__ >= 2 */
|
|
|
|
#else
|
|
|
|
#error "Unknown CPU architecture"
|
|
|
|
#endif /*__powerpc__*/
|
|
|
|
/*
|
|
** Initialize a thread context to run "_main()" when started
|
|
*/
|
|
#ifdef __powerpc__
|
|
|
|
#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \
|
|
{ \
|
|
*status = PR_TRUE; \
|
|
if (sigsetjmp(CONTEXT(_thread), 1)) { \
|
|
_main(); \
|
|
} \
|
|
_MD_GET_SP(_thread) = (unsigned char*) ((_sp) - 128); \
|
|
_thread->md.sp = _MD_GET_SP_PTR(_thread); \
|
|
_thread->md.fp = _MD_GET_FP_PTR(_thread); \
|
|
_MD_SET_FP(_thread, 0); \
|
|
}
|
|
|
|
#elif defined(__mips__)
|
|
|
|
#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \
|
|
{ \
|
|
*status = PR_TRUE; \
|
|
(void) sigsetjmp(CONTEXT(_thread), 1); \
|
|
_thread->md.context[0].__jmpbuf[0].__pc = (__ptr_t) _main; \
|
|
_MD_GET_SP(_thread) = (_MD_SP_TYPE) ((_sp) - 64); \
|
|
_thread->md.sp = _MD_GET_SP_PTR(_thread); \
|
|
_thread->md.fp = _MD_GET_FP_PTR(_thread); \
|
|
_MD_SET_FP(_thread, 0); \
|
|
}
|
|
|
|
#else
|
|
|
|
#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \
|
|
{ \
|
|
*status = PR_TRUE; \
|
|
if (sigsetjmp(CONTEXT(_thread), 1)) { \
|
|
_main(); \
|
|
} \
|
|
_MD_GET_SP(_thread) = (_MD_SP_TYPE) ((_sp) - 64); \
|
|
_thread->md.sp = _MD_GET_SP_PTR(_thread); \
|
|
_thread->md.fp = _MD_GET_FP_PTR(_thread); \
|
|
_MD_SET_FP(_thread, 0); \
|
|
}
|
|
|
|
#endif /*__powerpc__*/
|
|
|
|
#define _MD_SWITCH_CONTEXT(_thread) \
|
|
if (!sigsetjmp(CONTEXT(_thread), 1)) { \
|
|
(_thread)->md.errcode = errno; \
|
|
_PR_Schedule(); \
|
|
}
|
|
|
|
/*
|
|
** Restore a thread context, saved by _MD_SWITCH_CONTEXT
|
|
*/
|
|
#define _MD_RESTORE_CONTEXT(_thread) \
|
|
{ \
|
|
errno = (_thread)->md.errcode; \
|
|
_MD_SET_CURRENT_THREAD(_thread); \
|
|
siglongjmp(CONTEXT(_thread), 1); \
|
|
}
|
|
|
|
/* Machine-dependent (MD) data structures */
|
|
|
|
struct _MDThread {
|
|
PR_CONTEXT_TYPE context;
|
|
void *sp;
|
|
void *fp;
|
|
int id;
|
|
int errcode;
|
|
};
|
|
|
|
struct _MDThreadStack {
|
|
PRInt8 notused;
|
|
};
|
|
|
|
struct _MDLock {
|
|
PRInt8 notused;
|
|
};
|
|
|
|
struct _MDSemaphore {
|
|
PRInt8 notused;
|
|
};
|
|
|
|
struct _MDCVar {
|
|
PRInt8 notused;
|
|
};
|
|
|
|
struct _MDSegment {
|
|
PRInt8 notused;
|
|
};
|
|
|
|
/*
|
|
* md-specific cpu structure field
|
|
*/
|
|
#include <sys/time.h> /* for FD_SETSIZE */
|
|
#define _PR_MD_MAX_OSFD FD_SETSIZE
|
|
|
|
struct _MDCPU_Unix {
|
|
PRCList ioQ;
|
|
PRUint32 ioq_timeout;
|
|
PRInt32 ioq_max_osfd;
|
|
PRInt32 ioq_osfd_cnt;
|
|
#ifndef _PR_USE_POLL
|
|
fd_set fd_read_set, fd_write_set, fd_exception_set;
|
|
PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD],
|
|
fd_exception_cnt[_PR_MD_MAX_OSFD];
|
|
#else
|
|
struct pollfd *ioq_pollfds;
|
|
int ioq_pollfds_size;
|
|
#endif /* _PR_USE_POLL */
|
|
};
|
|
|
|
#define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ)
|
|
#define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu))
|
|
#define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set)
|
|
#define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt)
|
|
#define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set)
|
|
#define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt)
|
|
#define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set)
|
|
#define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt)
|
|
#define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout)
|
|
#define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd)
|
|
#define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt)
|
|
#define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds)
|
|
#define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size)
|
|
|
|
#define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32
|
|
|
|
struct _MDCPU {
|
|
struct _MDCPU_Unix md_unix;
|
|
};
|
|
|
|
#define _MD_INIT_LOCKS()
|
|
#define _MD_NEW_LOCK(lock) PR_SUCCESS
|
|
#define _MD_FREE_LOCK(lock)
|
|
#define _MD_LOCK(lock)
|
|
#define _MD_UNLOCK(lock)
|
|
#define _MD_INIT_IO()
|
|
#define _MD_IOQ_LOCK()
|
|
#define _MD_IOQ_UNLOCK()
|
|
|
|
extern PRStatus _MD_InitializeThread(PRThread *thread);
|
|
|
|
#define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu)
|
|
#define _MD_INIT_THREAD _MD_InitializeThread
|
|
#define _MD_EXIT_THREAD(thread)
|
|
#define _MD_SUSPEND_THREAD(thread) _MD_suspend_thread
|
|
#define _MD_RESUME_THREAD(thread) _MD_resume_thread
|
|
#define _MD_CLEAN_THREAD(_thread)
|
|
|
|
extern PRStatus _MD_CREATE_THREAD(
|
|
PRThread *thread,
|
|
void (*start) (void *),
|
|
PRThreadPriority priority,
|
|
PRThreadScope scope,
|
|
PRThreadState state,
|
|
PRUint32 stackSize);
|
|
extern void _MD_SET_PRIORITY(struct _MDThread *thread, PRUintn newPri);
|
|
extern PRStatus _MD_WAIT(PRThread *, PRIntervalTime timeout);
|
|
extern PRStatus _MD_WAKEUP_WAITER(PRThread *);
|
|
extern void _MD_YIELD(void);
|
|
|
|
#endif /* ! _PR_PTHREADS */
|
|
|
|
extern void _MD_EarlyInit(void);
|
|
|
|
#define _MD_EARLY_INIT _MD_EarlyInit
|
|
#define _MD_FINAL_INIT _PR_UnixInit
|
|
#define _PR_HAVE_CLOCK_MONOTONIC
|
|
|
|
/*
|
|
* We wrapped the select() call. _MD_SELECT refers to the built-in,
|
|
* unwrapped version.
|
|
*/
|
|
#define _MD_SELECT __select
|
|
|
|
#ifdef _PR_POLL_AVAILABLE
|
|
#include <sys/poll.h>
|
|
extern int __syscall_poll(struct pollfd *ufds, unsigned long int nfds,
|
|
int timeout);
|
|
#define _MD_POLL __syscall_poll
|
|
#endif
|
|
|
|
/* For writev() */
|
|
#include <sys/uio.h>
|
|
|
|
extern void _MD_linux_map_sendfile_error(int err);
|
|
|
|
#endif /* nspr_linux_defs_h___ */
|