mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2026-07-25 16:19:48 +02:00
Ivan KokshayskyandGreg Kroah-Hartman
fd0d07cb8b
commit 77b823fa61 upstream.
This allows the assembly in entry.S to automatically keep in sync with
changes in the stack layout (struct pt_regs and struct switch_stack).
Cc: stable@vger.kernel.org
Tested-by: Maciej W. Rozycki <macro@orcam.me.uk>
Tested-by: Matt Turner <mattst88@gmail.com>
Reviewed-by: Maciej W. Rozycki <macro@orcam.me.uk>
Signed-off-by: Ivan Kokshaysky <ink@unseen.parts>
Signed-off-by: Matt Turner <mattst88@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
49 lines
1.7 KiB
C
49 lines
1.7 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Generate definitions needed by assembly language modules.
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* This code generates raw asm output which is post-processed to extract
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* and format the required data.
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*/
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#include <linux/types.h>
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#include <linux/stddef.h>
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#include <linux/sched.h>
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#include <linux/ptrace.h>
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#include <linux/kbuild.h>
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#include <asm/io.h>
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void foo(void)
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{
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DEFINE(TI_TASK, offsetof(struct thread_info, task));
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DEFINE(TI_FLAGS, offsetof(struct thread_info, flags));
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DEFINE(TI_CPU, offsetof(struct thread_info, cpu));
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DEFINE(TI_FP, offsetof(struct thread_info, fp));
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DEFINE(TI_STATUS, offsetof(struct thread_info, status));
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BLANK();
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DEFINE(TASK_BLOCKED, offsetof(struct task_struct, blocked));
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DEFINE(TASK_CRED, offsetof(struct task_struct, cred));
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DEFINE(TASK_REAL_PARENT, offsetof(struct task_struct, real_parent));
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DEFINE(TASK_GROUP_LEADER, offsetof(struct task_struct, group_leader));
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DEFINE(TASK_TGID, offsetof(struct task_struct, tgid));
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BLANK();
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DEFINE(CRED_UID, offsetof(struct cred, uid));
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DEFINE(CRED_EUID, offsetof(struct cred, euid));
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DEFINE(CRED_GID, offsetof(struct cred, gid));
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DEFINE(CRED_EGID, offsetof(struct cred, egid));
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BLANK();
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DEFINE(SP_OFF, offsetof(struct pt_regs, ps));
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DEFINE(SIZEOF_PT_REGS, sizeof(struct pt_regs));
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DEFINE(SWITCH_STACK_SIZE, sizeof(struct switch_stack));
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DEFINE(PT_PTRACED, PT_PTRACED);
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DEFINE(CLONE_VM, CLONE_VM);
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DEFINE(CLONE_UNTRACED, CLONE_UNTRACED);
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DEFINE(SIGCHLD, SIGCHLD);
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BLANK();
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DEFINE(HAE_CACHE, offsetof(struct alpha_machine_vector, hae_cache));
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DEFINE(HAE_REG, offsetof(struct alpha_machine_vector, hae_register));
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}
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