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691ff59148
Currently, host_task_size is a global variable, but it is only used in linux_main() to compute stub_start and task_size. Make it a local variable to limit its scope to where it is actually needed. Signed-off-by: Tiwei Bie <tiwei.btw@antgroup.com> Link: https://patch.msgid.link/20251027054519.1996090-2-tiwei.bie@linux.dev Signed-off-by: Johannes Berg <johannes.berg@intel.com>
58 lines
1.5 KiB
C
58 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
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*/
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#ifndef __START_H__
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#define __START_H__
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#include <generated/asm-offsets.h>
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/*
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* Stolen from linux/const.h, which can't be directly included since
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* this is used in userspace code, which has no access to the kernel
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* headers. Changed to be suitable for adding casts to the start,
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* rather than "UL" to the end.
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*/
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/* Some constant macros are used in both assembler and
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* C code. Therefore we cannot annotate them always with
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* 'UL' and other type specifiers unilaterally. We
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* use the following macros to deal with this.
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*/
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#define STUB_START stub_start
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#define STUB_CODE STUB_START
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#define STUB_DATA (STUB_CODE + UM_KERN_PAGE_SIZE)
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#define STUB_DATA_PAGES 2
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#define STUB_SIZE ((1 + STUB_DATA_PAGES) * UM_KERN_PAGE_SIZE)
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#define STUB_END (STUB_START + STUB_SIZE)
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#ifndef __ASSEMBLER__
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#include <sysdep/ptrace.h>
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struct task_struct;
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extern struct task_struct *cpu_tasks[];
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extern unsigned long long physmem_size;
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extern unsigned long high_physmem;
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extern unsigned long uml_physmem;
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extern unsigned long uml_reserved;
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extern unsigned long end_vm;
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extern unsigned long start_vm;
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extern unsigned long brk_start;
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extern unsigned long stub_start;
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extern int linux_main(int argc, char **argv, char **envp);
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extern void uml_finishsetup(void);
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struct siginfo;
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extern void (*sig_info[])(int, struct siginfo *si, struct uml_pt_regs *, void *);
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#endif
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#endif
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