data_type large_stringclasses 3
values | source large_stringclasses 29
values | code large_stringlengths 98 49.4M | filepath large_stringlengths 5 161 ⌀ | message large_stringclasses 234
values | commit large_stringclasses 234
values | subject large_stringclasses 418
values | critique large_stringlengths 101 1.26M ⌀ | metadata dict |
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source | linux | #ifndef __UM_ASM_CACHEFLUSH_H
#define __UM_ASM_CACHEFLUSH_H
#include <asm/tlbflush.h>
#define flush_cache_vmap flush_tlb_kernel_range
#define flush_cache_vunmap flush_tlb_kernel_range
#include <asm-generic/cacheflush.h>
#endif /* __UM_ASM_CACHEFLUSH_H */ | arch/um/include/asm/cacheflush.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#include <asm-generic/vmlinux.lds.h>
.fini : { *(.fini) } =0x9090
_etext = .;
PROVIDE (etext = .);
. = ALIGN(4096);
_sdata = .;
PROVIDE (sdata = .);
RO_DATA(4096)
.unprotected : { *(.unprotected) }
. = ALIGN(4096);
PROVIDE (_unprotected_end = .);
... | arch/um/include/asm/common.lds.S | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_UM_CPUFEATURE_H
#define _ASM_UM_CPUFEATURE_H
#include <asm/processor.h>
#if defined(__KERNEL__) && !defined(__ASSEMBLER__)
#include <asm/asm.h>
#include <linux/bitops.h>
extern const char * const x86_cap_flags[NCAPINTS*32];
extern const char * const x86_power_flag... | arch/um/include/asm/cpufeature.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_CURRENT_H
#define __ASM_CURRENT_H
#include <linux/compiler.h>
#include <linux/threads.h>
#ifndef __ASSEMBLER__
#include <shared/smp.h>
struct task_struct;
extern struct task_struct *cpu_tasks[NR_CPUS];
static __always_inline struct task_struct *get_current(void)... | arch/um/include/asm/current.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#ifndef __UM_DELAY_H
#define __UM_DELAY_H
#include <asm-generic/delay.h>
#include <linux/time-internal.h>
static inline void um_ndelay(unsigned long nsecs)
{
if (time_travel_mode == TT_MODE_INFCPU ||
time_travel_mode == TT_MODE_EXTERNAL) {
time_travel_ndelay(nsecs);
ret... | arch/um/include/asm/delay.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#ifndef __UM_DMA_H
#define __UM_DMA_H
#include <asm/io.h>
extern unsigned long uml_physmem;
#define MAX_DMA_ADDRESS (uml_physmem)
#endif | arch/um/include/asm/dma.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_UM_FUTEX_H
#define _ASM_UM_FUTEX_H
#include <linux/futex.h>
#include <linux/uaccess.h>
#include <asm/errno.h>
int arch_futex_atomic_op_inuser(int op, u32 oparg, int *oval, u32 __user *uaddr);
int futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
... | arch/um/include/asm/futex.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_UM_HARDIRQ_H
#define __ASM_UM_HARDIRQ_H
#include <linux/cache.h>
#include <linux/threads.h>
#define __ARCH_IRQ_EXIT_IRQS_DISABLED 1
typedef struct {
unsigned int __softirq_pending;
#if IS_ENABLED(CONFIG_SMP)
unsigned int irq_resched_count;
unsigned int irq_call... | arch/um/include/asm/hardirq.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_UM_IO_H
#define _ASM_UM_IO_H
#include <linux/types.h>
/* get emulated iomem (if desired) */
#include <asm-generic/logic_io.h>
#ifndef ioremap
#define ioremap ioremap
static inline void __iomem *ioremap(phys_addr_t offset, size_t size)
{
return NULL;
}
#endif /* ior... | arch/um/include/asm/io.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#ifndef __UM_IRQ_H
#define __UM_IRQ_H
#define TIMER_IRQ 0
#define UMN_IRQ 1
#define UBD_IRQ 2
#define UM_ETH_IRQ 3
#define ACCEPT_IRQ 4
#define MCONSOLE_IRQ 5
#define WINCH_IRQ 6
#define SIGIO_WRITE_IRQ 7
#define TELNETD_IRQ 8
#define XTERM_IRQ 9
#define RANDOM_IRQ ... | arch/um/include/asm/irq.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#ifndef __UM_IRQFLAGS_H
#define __UM_IRQFLAGS_H
int um_get_signals(void);
int um_set_signals(int enable);
void block_signals(void);
void unblock_signals(void);
#define arch_local_save_flags arch_local_save_flags
static inline unsigned long arch_local_save_flags(void)
{
return u... | arch/um/include/asm/irqflags.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_UM_KASAN_H
#define __ASM_UM_KASAN_H
#include <linux/init.h>
#include <linux/const.h>
#define KASAN_SHADOW_OFFSET _AC(CONFIG_KASAN_SHADOW_OFFSET, UL)
/* used in kasan_mem_to_shadow to divide by 8 */
#define KASAN_SHADOW_SCALE_SHIFT 3
#ifdef CONFIG_X86_64
#define K... | arch/um/include/asm/kasan.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
*/
#ifndef __ARCH_UM_MMU_H
#define __ARCH_UM_MMU_H
#include "linux/types.h"
#include <linux/mutex.h>
#include <linux/spinlock.h>
#include <mm_id.h>
typedef struct mm_context {
struct mm_id id;
struc... | arch/um/include/asm/mmu.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
*/
#ifndef __UM_MMU_CONTEXT_H
#define __UM_MMU_CONTEXT_H
#include <linux/sched.h>
#include <linux/mm_types.h>
#include <linux/mmap_lock.h>
#include <asm/mm_hooks.h>
#include <asm/mmu.h>
static inline... | arch/um/include/asm/mmu_context.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2000 - 2003 Jeff Dike (jdike@addtoit.com)
* Copyright 2003 PathScale, Inc.
*/
#ifndef __UM_PAGE_H
#define __UM_PAGE_H
#include <linux/const.h>
#include <vdso/page.h>
#ifndef __ASSEMBLER__
struct page;
#include <linux/pfn.h>
#include <linux/types.h>
#inc... | arch/um/include/asm/page.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0-only */
#ifndef __ASM_UM_PCI_H
#define __ASM_UM_PCI_H
#include <linux/types.h>
#include <asm/io.h>
/* Generic PCI */
#include <asm-generic/pci.h>
#ifdef CONFIG_PCI_MSI
/*
* This is a bit of an annoying hack, and it assumes we only have
* the virt-pci (if anything). Which is true,... | arch/um/include/asm/pci.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
* Copyright 2003 PathScale, Inc.
* Derived from include/asm-i386/pgalloc.h and include/asm-i386/pgtable.h
*/
#ifndef __UM_PGALLOC_H
#define __UM_PGALLOC_H
#include <linux/mm.h>
#include <asm-generic/pgalloc.h... | arch/um/include/asm/pgalloc.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
* Copyright 2003 PathScale, Inc.
* Derived from include/asm-i386/pgtable.h
*/
#ifndef __UM_PGTABLE_2LEVEL_H
#define __UM_PGTABLE_2LEVEL_H
#include <asm-generic/pgtable-nopmd.h>
/* PGDIR_SHIFT determines what a... | arch/um/include/asm/pgtable-2level.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright 2003 PathScale Inc
* Derived from include/asm-i386/pgtable.h
*/
#ifndef __UM_PGTABLE_4LEVEL_H
#define __UM_PGTABLE_4LEVEL_H
#include <asm-generic/pgtable-nop4d.h>
/* PGDIR_SHIFT determines what a fourth-level page table entry can map */
#define PGDIR_SHIFT 39... | arch/um/include/asm/pgtable-4level.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Copyright 2003 PathScale, Inc.
* Derived from include/asm-i386/pgtable.h
*/
#ifndef __UM_PGTABLE_H
#define __UM_PGTABLE_H
#include <asm/page.h>
#include <linux/mm_types.h>
#define _PAGE_PRESENT 0x0... | arch/um/include/asm/pgtable.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
*/
#ifndef __UM_PROCESSOR_GENERIC_H
#define __UM_PROCESSOR_GENERIC_H
struct pt_regs;
struct task_struct;
#include <asm/ptrace.h>
#include <sysdep/archsetjmp.h>
#include <linux/prefetch.h>
#include ... | arch/um/include/asm/processor-generic.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
*/
#ifndef __UM_PTRACE_GENERIC_H
#define __UM_PTRACE_GENERIC_H
#ifndef __ASSEMBLER__
#include <sysdep/ptrace.h>
struct pt_regs {
struct uml_pt_regs regs;
};
#define arch_has_single_step() (1)
#def... | arch/um/include/asm/ptrace-generic.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#ifndef __UM_SECTIONS_H
#define __UM_SECTIONS_H
#include <asm-generic/sections.h>
extern char __binary_start[];
extern char __syscall_stub_start[], __syscall_stub_end[];
#endif | arch/um/include/asm/sections.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#ifndef SETUP_H_INCLUDED
#define SETUP_H_INCLUDED
/* POSIX mandated with _POSIX_ARG_MAX that we can rely on 4096 chars in the
* command line, so this choice is ok.
*/
#define COMMAND_LINE_SIZE 4096
#endif /* SETUP_H_INCLUDED */ | arch/um/include/asm/setup.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#ifndef __UM_SMP_H
#define __UM_SMP_H
#if IS_ENABLED(CONFIG_SMP)
#include <linux/cpumask.h>
#include <shared/smp.h>
#define raw_smp_processor_id() uml_curr_cpu()
void arch_smp_send_reschedule(int cpu);
void arch_send_call_function_single_ipi(int cpu);
void arch_send_call_fun... | arch/um/include/asm/smp.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_UML_STACKTRACE_H
#define _ASM_UML_STACKTRACE_H
#include <linux/uaccess.h>
#include <linux/ptrace.h>
struct stack_frame {
struct stack_frame *next_frame;
unsigned long return_address;
};
struct stacktrace_ops {
void (*address)(void *data, unsigned long address, i... | arch/um/include/asm/stacktrace.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0-only */
/*
* Access to user system call parameters and results
*
* See asm-generic/syscall.h for function descriptions.
*
* Copyright (C) 2015 Mickaël Salaün <mic@digikod.net>
*/
#ifndef __UM_SYSCALL_GENERIC_H
#define __UM_SYSCALL_GENERIC_H
#include <asm/ptrace.h>
#include <l... | arch/um/include/asm/syscall-generic.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
*/
#ifndef __UM_THREAD_INFO_H
#define __UM_THREAD_INFO_H
#define THREAD_SIZE_ORDER CONFIG_KERNEL_STACK_ORDER
#define THREAD_SIZE ((1 << CONFIG_KERNEL_STACK_ORDER) * PAGE_SIZE)
#ifndef __ASSEMBLER__
#i... | arch/um/include/asm/thread_info.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#ifndef __UM_TIMEX_H
#define __UM_TIMEX_H
#define CLOCK_TICK_RATE (HZ)
#include <asm-generic/timex.h>
#endif | arch/um/include/asm/timex.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#ifndef __UM_TLB_H
#define __UM_TLB_H
#include <linux/mm.h>
#include <asm/tlbflush.h>
#include <asm/cacheflush.h>
#include <asm-generic/tlb.h>
#endif | arch/um/include/asm/tlb.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
*/
#ifndef __UM_TLBFLUSH_H
#define __UM_TLBFLUSH_H
#include <linux/mm.h>
/*
* In UML, we need to sync the TLB over by using mmap/munmap syscalls from
* the process handling the MM (which can be the k... | arch/um/include/asm/tlbflush.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
* Copyright (C) 2015 Richard Weinberger (richard@nod.at)
*/
#ifndef __UM_UACCESS_H
#define __UM_UACCESS_H
#include <asm/elf.h>
#include <linux/unaligned.h>
#include <sysdep/faultinfo.h>
#define __under_task_size(addr, siz... | arch/um/include/asm/uaccess.h | null | null | null | null | null |
source | linux | #ifndef _ASM_UML_UNWIND_H
#define _ASM_UML_UNWIND_H
static inline void
unwind_module_init(struct module *mod, void *orc_ip, size_t orc_ip_size,
void *orc, size_t orc_size) {}
#endif /* _ASM_UML_UNWIND_H */ | arch/um/include/asm/unwind.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_UM_XOR_H
#define _ASM_UM_XOR_H
#ifdef CONFIG_64BIT
#undef CONFIG_X86_32
#define TT_CPU_INF_XOR_DEFAULT (AVX_SELECT(&xor_block_sse_pf64))
#else
#define CONFIG_X86_32 1
#define TT_CPU_INF_XOR_DEFAULT (AVX_SELECT(&xor_block_8regs))
#endif
#include <asm/cpufeature.h>
#i... | arch/um/include/asm/xor.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0-or-later */
#ifndef _ASM_UM_FPU_API_H
#define _ASM_UM_FPU_API_H
#include <linux/types.h>
/* Copyright (c) 2020 Cambridge Greys Ltd
* Copyright (c) 2020 Red Hat Inc.
* A set of "dummy" defines to allow the direct inclusion
* of x86 optimized copy, xor, etc routines into the
* UM... | arch/um/include/asm/fpu/api.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#ifndef __UM_SMP_INTERNAL_H
#define __UM_SMP_INTERNAL_H
#if IS_ENABLED(CONFIG_SMP)
void prefill_possible_map(void);
#else /* !CONFIG_SMP */
static inline void prefill_possible_map(void) { }
#endif /* CONFIG_SMP */
extern char cpu_irqstacks[NR_CPUS][THREAD_SIZE] __aligned(THR... | arch/um/include/linux/smp-internal.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2012 - 2014 Cisco Systems
* Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
*/
#ifndef __TIMER_INTERNAL_H__
#define __TIMER_INTERNAL_H__
#include <linux/list.h>
#include <asm/bug.h>
#include <shared/timetravel.h>
#define TIMER_MULTIPLI... | arch/um/include/linux/time-internal.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2021 Intel Corporation
* Author: Johannes Berg <johannes@sipsolutions.net>
*/
#ifndef __VIRTIO_UML_H__
#define __VIRTIO_UML_H__
void virtio_uml_set_no_vq_suspend(struct virtio_device *vdev,
bool no_vq_suspend);
#endif /* __VIRTIO_UML_H__ */ | arch/um/include/linux/virtio-uml.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
*/
#ifndef __ARCH_H__
#define __ARCH_H__
#include <sysdep/ptrace.h>
extern void arch_check_bugs(void);
extern int arch_fixup(unsigned long address, struct uml_pt_regs *regs);
extern void arch_examine_signal(i... | arch/um/include/shared/arch.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
*/
#ifndef __START_H__
#define __START_H__
#include <generated/asm-offsets.h>
/*
* Stolen from linux/const.h, which can't be directly included since
* this is used in userspace code, which has no access to ... | arch/um/include/shared/as-layout.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2004 Fujitsu Siemens Computers GmbH
* Author: Bodo Stroesser <bstroesser@fujitsu-siemens.com>
*/
#ifndef __ELF_USER_H__
#define __ELF_USER_H__
/* For compilation on a host that doesn't support AT_SYSINFO (Linux 2.4) */
#ifndef AT_SYSINFO
#define AT_SYSINF... | arch/um/include/shared/elf_user.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
*/
#ifndef __FRAME_KERN_H_
#define __FRAME_KERN_H_
extern int setup_signal_stack_sc(unsigned long stack_top, struct ksignal *ksig,
struct pt_regs *regs, sigset_t *mask);
extern int setup_signal_stack_si(unsigned long s... | arch/um/include/shared/frame_kern.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_UML_INIT_H
#define _LINUX_UML_INIT_H
/* These macros are used to mark some functions or
* initialized data (doesn't apply to uninitialized data)
* as `initialization' functions. The kernel can take this
* as hint that the function is used only during the initial... | arch/um/include/shared/init.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2001, 2002 Jeff Dike (jdike@karaya.com)
*/
#ifndef __IRQ_KERN_H__
#define __IRQ_KERN_H__
#include <linux/interrupt.h>
#include <linux/time-internal.h>
#include <asm/ptrace.h>
#include "irq_user.h"
#define UM_IRQ_ALLOC -1
int um_request_irq(int irq, int fd,... | arch/um/include/shared/irq_kern.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
*/
#ifndef __IRQ_USER_H__
#define __IRQ_USER_H__
#include <sysdep/ptrace.h>
enum um_irq_type {
IRQ_READ,
IRQ_WRITE,
NUM_IRQ_TYPES,
};
struct siginfo;
extern void sigio_handler(int sig, struct sigin... | arch/um/include/shared/irq_user.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2000 Jeff Dike (jdike@karaya.com)
*/
#ifndef __KERN_H__
#define __KERN_H__
/* These are all user-mode things which are convenient to call directly
* from kernel code and for which writing a wrapper is too much of a pain.
* The regular include files can't ... | arch/um/include/shared/kern.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
*/
#ifndef __KERN_UTIL_H__
#define __KERN_UTIL_H__
#include <sysdep/ptrace.h>
#include <sysdep/faultinfo.h>
struct siginfo;
extern int uml_exitcode;
extern int kmalloc_ok;
extern unsigned long alloc... | arch/um/include/shared/kern_util.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#ifndef __UML_LONGJMP_H
#define __UML_LONGJMP_H
#include <sysdep/archsetjmp.h>
#include <os.h>
extern int setjmp(jmp_buf);
extern void longjmp(jmp_buf, int);
#define UML_LONGJMP(buf, val) do { \
longjmp(*buf, val); \
} while(0)
#define UML_SETJMP(buf) ({ \
int n, enable; ... | arch/um/include/shared/longjmp.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
*/
#ifndef __MEM_H__
#define __MEM_H__
extern int phys_mapping(unsigned long phys, unsigned long long *offset_out);
extern unsigned long uml_physmem;
static inline unsigned long uml_to_phys(void *virt... | arch/um/include/shared/mem.h | null | null | null | null | null |
source | linux | /*
* arch/um/include/mem_user.h
*
* BRIEF MODULE DESCRIPTION
* user side memory interface for support IO memory inside user mode linux
*
* Copyright (C) 2001 RidgeRun, Inc.
* Author: RidgeRun, Inc.
* Greg Lonnon glonnon@ridgerun.com or info@ridgerun.com
*
* under the terms of the GNU General Publi... | arch/um/include/shared/mem_user.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2015 Anton Ivanov (aivanov@{brocade.com,kot-begemot.co.uk})
* Copyright (C) 2015 Thomas Meyer (thomas@m3y3r.de)
* Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
*/
#ifndef __OS_H__
#define __OS_H__
#include <irq_user.h>
#include <lon... | arch/um/include/shared/os.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
*/
#ifndef __PTRACE_USER_H__
#define __PTRACE_USER_H__
#include <sys/ptrace.h>
#include <sysdep/ptrace_user.h>
extern int ptrace_getregs(long pid, unsigned long *regs_out);
extern int ptrace_setregs(l... | arch/um/include/shared/ptrace_user.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2004 PathScale, Inc
*/
#ifndef __REGISTERS_H
#define __REGISTERS_H
#include <sysdep/ptrace.h>
extern int init_pid_registers(int pid);
extern void get_safe_registers(unsigned long *regs, unsigned long *fp_regs);
extern int get_fp_registers(int pid, unsigned ... | arch/um/include/shared/registers.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
*/
#ifndef __SIGIO_H__
#define __SIGIO_H__
extern void sigio_lock(void);
extern void sigio_unlock(void);
#endif | arch/um/include/shared/sigio.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#ifndef __UM_SHARED_SMP_H
#define __UM_SHARED_SMP_H
#if IS_ENABLED(CONFIG_SMP)
extern int uml_ncpus;
int uml_curr_cpu(void);
void uml_start_secondary(void *opaque);
void uml_ipi_handler(int vector);
#else /* !CONFIG_SMP */
#define uml_ncpus 1
#define uml_curr_cpu() 0
#endif ... | arch/um/include/shared/smp.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2019-2021 Intel Corporation
*/
#ifndef _UM_TIME_TRAVEL_H_
#define _UM_TIME_TRAVEL_H_
enum time_travel_mode {
TT_MODE_OFF,
TT_MODE_BASIC,
TT_MODE_INFCPU,
TT_MODE_EXTERNAL,
};
#if IS_ENABLED(CONFIG_UML_TIME_TRAVEL_SUPPORT)
extern enum time_travel_mode time... | arch/um/include/shared/timetravel.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2005 Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
*/
#ifndef __UM_MALLOC_H__
#define __UM_MALLOC_H__
#include <generated/asm-offsets.h>
extern void *uml_kmalloc(int size, int flags);
extern void kfree(const void *ptr);
extern void *vmalloc_noprof... | arch/um/include/shared/um_malloc.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
*/
#ifndef __USER_H__
#define __USER_H__
#include <generated/asm-offsets.h>
/*
* The usual definition - copied here because the kernel provides its own,
* fancier, type-safe, definition. Using that... | arch/um/include/shared/user.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2005 Jeff Dike (jdike@karaya.com)
*/
#ifndef __MM_ID_H
#define __MM_ID_H
#include <linux/compiler_types.h>
#define STUB_MAX_FDS 4
struct mm_id {
int pid;
unsigned long stack;
int syscall_data_len;
/* Only used with SECCOMP mode */
int sock;
int sysc... | arch/um/include/shared/skas/mm_id.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
*/
#ifndef __SKAS_H
#define __SKAS_H
#include <sysdep/ptrace.h>
extern int using_seccomp;
extern void new_thread_handler(void);
extern void handle_syscall(struct uml_pt_regs *regs);
extern unsigned lo... | arch/um/include/shared/skas/skas.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2015 Thomas Meyer (thomas@m3y3r.de)
* Copyright (C) 2005 Jeff Dike (jdike@karaya.com)
*/
#ifndef __STUB_DATA_H
#define __STUB_DATA_H
#include <linux/compiler_types.h>
#include <as-layout.h>
#include <sysdep/tls.h>
#include <sysdep/stub-data.h>
#include <mm... | arch/um/include/shared/skas/stub-data.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#define COMPILE_OFFSETS
#include <linux/stddef.h>
#include <linux/sched.h>
#include <linux/elf.h>
#include <linux/crypto.h>
#include <linux/kbuild.h>
#include <linux/audit.h>
#include <linux/fs.h>
#include <asm/mman.h>
#include <asm/seccomp.h>
#include <asm/extable.h>
/* workarou... | arch/um/kernel/asm-offsets.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0-only
#include <linux/init.h>
#include <linux/of_fdt.h>
#include <linux/printk.h>
#include <linux/memblock.h>
#include <init.h>
#include "um_arch.h"
static char *dtb __initdata;
void uml_dtb_init(void)
{
long long size;
void *area;
area = uml_load_file(dtb, &size);
if (area) ... | arch/um/kernel/dtb.c | null | null | null | null | null |
source | linux | #include <asm/vmlinux.lds.h>
#include <asm/page.h>
OUTPUT_FORMAT(ELF_FORMAT)
OUTPUT_ARCH(ELF_ARCH)
ENTRY(_start)
jiffies = jiffies_64;
VERSION {
{
local: *;
};
}
SECTIONS
{
PROVIDE (__executable_start = START);
. = START + SIZEOF_HEADERS;
.interp : { *(.interp) }
__binary_start = .;
. = ALI... | arch/um/kernel/dyn.lds.S | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2011 Richard Weinberger <richrd@nod.at>
*/
#include <linux/kernel.h>
#include <linux/console.h>
#include <linux/init.h>
#include <os.h>
static void early_console_write(struct console *con, const char *s, unsigned int n)
{
um_early_printk(s, n);
}
static ... | arch/um/kernel/early_printk.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
*/
#include <linux/stddef.h>
#include <linux/module.h>
#include <linux/fs.h>
#include <linux/ptrace.h>
#include <linux/sched/mm.h>
#include <linux/sched/task.h>
#include <linux/sched/task_stack.h>
#include ... | arch/um/kernel/exec.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
*/
#include <linux/ctype.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/types.h>
#include <linux/uacces... | arch/um/kernel/exitcode.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
*/
#include <linux/module.h>
extern void mcount(void);
EXPORT_SYMBOL(mcount); | arch/um/kernel/gprof_syms.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
*/
#include <linux/init.h>
#include <linux/memblock.h>
#include <linux/initrd.h>
#include <asm/types.h>
#include <init.h>
#include <os.h>
#include "um_arch.h"
/* Changed by uml_initrd_setup, which is a se... | arch/um/kernel/initrd.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2017 - Cambridge Greys Ltd
* Copyright (C) 2011 - 2014 Cisco Systems Inc
* Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Derived (i.e. mostly copied) from arch/i386/kernel/irq.c:
* Copyright (C) 1992, 1998 Linus Torvalds, Ingo Molnar
... | arch/um/kernel/irq.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
#include <linux/kmsg_dump.h>
#include <linux/spinlock.h>
#include <linux/console.h>
#include <linux/string.h>
#include <shared/init.h>
#include <shared/kern.h>
#include <os.h>
static void kmsg_dumper_stdout(struct kmsg_dumper *dumper,
struct kmsg_dump_detail *detail)
{
static s... | arch/um/kernel/kmsg_dump.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
*/
#include <linux/module.h>
#include <os.h>
EXPORT_SYMBOL(um_get_signals);
EXPORT_SYMBOL(um_set_signals);
EXPORT_SYMBOL(os_stat_fd);
EXPORT_SYMBOL(os_stat_file);
EXPORT_SYMBOL(os_access);
EXPORT_SYMBOL(... | arch/um/kernel/ksyms.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
*/
#include <linux/memblock.h>
#include <os.h>
#include "um_arch.h"
static int __init __uml_load_file(const char *filename, void *buf, int size)
{
int fd, n;
fd = os_open_file(filename, of_read(OPENFLAG... | arch/um/kernel/load_file.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
*/
#include <linux/stddef.h>
#include <linux/module.h>
#include <linux/memblock.h>
#include <linux/mm.h>
#include <linux/swap.h>
#include <linux/slab.h>
#include <linux/init.h>
#include <asm/sections.h>
#in... | arch/um/kernel/mem.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
*/
#include <linux/module.h>
#include <linux/memblock.h>
#include <linux/mm.h>
#include <linux/pfn.h>
#include <asm/page.h>
#include <asm/sections.h>
#include <as-layout.h>
#include <init.h>
#include <kern.... | arch/um/kernel/physmem.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2015 Anton Ivanov (aivanov@{brocade.com,kot-begemot.co.uk})
* Copyright (C) 2015 Thomas Meyer (thomas@m3y3r.de)
* Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Copyright 2003 PathScale, Inc.
*/
#include <linux/stddef.h>
#include <lin... | arch/um/kernel/process.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
*/
#include <linux/audit.h>
#include <linux/ptrace.h>
#include <linux/sched.h>
#include <linux/uaccess.h>
#include <asm/ptrace-abi.h>
#define CREATE_TRACE_POINTS
#include <trace/events/syscalls.h>
void us... | arch/um/kernel/ptrace.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
*/
#include <linux/sched/signal.h>
#include <linux/sched/task.h>
#include <linux/sched/mm.h>
#include <linux/spinlock.h>
#include <linux/slab.h>
#include <linux/oom.h>
#include <linux/reboot.h>
#include <k... | arch/um/kernel/reboot.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2002 - 2007 Jeff Dike (jdike@{linux.intel,addtoit}.com)
*/
#include <linux/interrupt.h>
#include <irq_kern.h>
#include <os.h>
#include <sigio.h>
/* These are called from os-Linux/sigio.c to protect its pollfds arrays. */
static DEFINE_MUTEX(sigio_mutex);
void ... | arch/um/kernel/sigio.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
*/
#include <linux/module.h>
#include <linux/ptrace.h>
#include <linux/sched.h>
#include <linux/ftrace.h>
#include <asm/siginfo.h>
#include <asm/signal.h>
#include <asm/unistd.h>
#include <frame_kern.h>
#in... | arch/um/kernel/signal.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2025 Ant Group
* Author: Tiwei Bie <tiwei.btw@antgroup.com>
*
* Based on the previous implementation in TT mode
* Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
*/
#include <linux/sched.h>
#include <linux/sched/task.h>
#include <linux/... | arch/um/kernel/smp.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Copyright (C) 2013 Richard Weinberger <richard@nod.at>
* Copyright (C) 2014 Google Inc., Author: Daniel Walter <dwalter@google.com>
*/
#include <linux/kallsyms.h>
#include <linux/kernel.h>
#include... | arch/um/kernel/stacktrace.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Copyright (C) 2013 Richard Weinberger <richrd@nod.at>
*/
#include <linux/kallsyms.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/sched.h>
#include <linux/sched/debug.h>
#incl... | arch/um/kernel/sysrq.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2015 Anton Ivanov (aivanov@{brocade.com,kot-begemot.co.uk})
* Copyright (C) 2015 Thomas Meyer (thomas@m3y3r.de)
* Copyright (C) 2012-2014 Cisco Systems
* Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Copyright (C) 2019 Intel Corporati... | arch/um/kernel/time.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
*/
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/sched/signal.h>
#include <asm/tlbflush.h>
#include <asm/mmu_context.h>
#include <as-layout.h>
#include <mem_user.h>
#include <os.h>
#inclu... | arch/um/kernel/tlb.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
*/
#include <linux/mm.h>
#include <linux/sched/signal.h>
#include <linux/hardirq.h>
#include <linux/module.h>
#include <linux/uaccess.h>
#include <linux/sched/debug.h>
#include <asm/current.h>
#include <asm... | arch/um/kernel/trap.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
*/
#include <linux/cpu.h>
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/mm.h>
#include <linux/ctype.h>
#include <linux/module.h>
#include <linux/panic_notifier.h>
#include <linux/seq_file... | arch/um/kernel/um_arch.c | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0-only */
#ifndef __UML_ARCH_H__
#define __UML_ARCH_H__
extern void * __init uml_load_file(const char *filename, unsigned long long *size);
#ifdef CONFIG_OF
extern void __init uml_dtb_init(void);
#else
static inline void uml_dtb_init(void) { }
#endif
extern int __init read_initrd(v... | arch/um/kernel/um_arch.h | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
*/
#include <asm/errno.h>
#include <init.h>
#include <kern.h>
#include <os.h>
/* Changed by set_umid_arg */
static int umid_inited;
static int __init set_umid_arg(char *name, int *add)
{
int err;
if (u... | arch/um/kernel/umid.c | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#include <asm/vmlinux.lds.h>
#include <asm/page.h>
OUTPUT_FORMAT(ELF_FORMAT)
OUTPUT_ARCH(ELF_ARCH)
ENTRY(_start)
jiffies = jiffies_64;
VERSION {
{
local: *;
};
}
SECTIONS
{
/* This must contain the right address - not quite the default ELF one.*/
PROVIDE (__executab... | arch/um/kernel/uml.lds.S | null | null | null | null | null |
source | linux | #define RUNTIME_DISCARD_EXIT
KERNEL_STACK_SIZE = 4096 * (1 << CONFIG_KERNEL_STACK_ORDER);
#ifdef CONFIG_LD_SCRIPT_STATIC
#include "uml.lds.S"
#else
#include "dyn.lds.S"
#endif | arch/um/kernel/vmlinux.lds.S | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2015 Thomas Meyer (thomas@m3y3r.de)
* Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
*/
#include <linux/mm.h>
#include <linux/sched/signal.h>
#include <linux/slab.h>
#include <shared/irq_kern.h>
#include <asm/pgalloc.h>
#include <asm/sec... | arch/um/kernel/skas/mmu.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
*/
#include <linux/init.h>
#include <linux/sched/mm.h>
#include <linux/sched/task_stack.h>
#include <linux/sched/task.h>
#include <linux/smp-internal.h>
#include <asm/tlbflush.h>
#include <as-layout.h>
#i... | arch/um/kernel/skas/process.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2021 Benjamin Berg <benjamin@sipsolutions.net>
*/
#include <sysdep/stub.h>
#include <linux/futex.h>
#include <sys/socket.h>
#include <errno.h>
/*
* Known security issues
*
* Userspace can jump to this address to execute *any* syscall that is
* permitted by... | arch/um/kernel/skas/stub.c | null | null | null | null | null |
source | linux | #include <sys/ptrace.h>
#include <sys/prctl.h>
#include <sys/fcntl.h>
#include <asm/unistd.h>
#include <sysdep/stub.h>
#include <stub-data.h>
#include <linux/filter.h>
#include <linux/seccomp.h>
#include <generated/asm-offsets.h>
void _start(void);
noinline static void real_init(void)
{
struct stub_init_data init_da... | arch/um/kernel/skas/stub_exe.c | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#include <linux/init.h>
#include <linux/linkage.h>
__INITDATA
SYM_DATA_START(stub_exe_start)
.incbin "arch/um/kernel/skas/stub_exe"
SYM_DATA_END_LABEL(stub_exe_start, SYM_L_GLOBAL, stub_exe_end)
__FINIT | arch/um/kernel/skas/stub_exe_embed.S | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
*/
#include <linux/kernel.h>
#include <linux/ptrace.h>
#include <linux/seccomp.h>
#include <kern_util.h>
#include <sysdep/ptrace.h>
#include <sysdep/ptrace_user.h>
#include <linux/time-internal.h>
#include ... | arch/um/kernel/skas/syscall.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
*/
#include <linux/err.h>
#include <linux/highmem.h>
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/sched.h>
#include <asm/current.h>
#include <asm/page.h>
#include <kern_util.h>
#include <... | arch/um/kernel/skas/uaccess.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* arch/um/kernel/elf_aux.c
*
* Scan the ELF auxiliary vector provided by the host to extract
* information about vsyscall-page, etc.
*
* Copyright (C) 2004 Fujitsu Siemens Computers GmbH
* Author: Bodo Stroesser (bodo.stroesser@fujitsu-siemens.com)
*/
#include <elf.h>... | arch/um/os-Linux/elf_aux.c | null | null | null | null | null |
source | linux | /* Copyright (C) 2006 by Paolo Giarrusso - modified from glibc' execvp.c.
Original copyright notice follows:
Copyright (C) 1991,92,1995-99,2002,2004 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 ... | arch/um/os-Linux/execvp.c | null | null | null | null | null |
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