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![Eric W. Biederman](/assets/img/avatar_default.png)
While looking in the code I discovered that alpha has fallen behind because it doesn't use sys_getppid. The problem is that it doesn't follow the task struct to the task_group_leader. Acked-by: Richard Henderson <rth@twiddle.net> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
44 lines
1.5 KiB
C
44 lines
1.5 KiB
C
/*
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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 <asm/io.h>
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#define DEFINE(sym, val) \
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asm volatile("\n->" #sym " %0 " #val : : "i" (val))
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#define BLANK() asm volatile("\n->" : : )
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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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BLANK();
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DEFINE(TASK_BLOCKED, offsetof(struct task_struct, blocked));
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DEFINE(TASK_UID, offsetof(struct task_struct, uid));
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DEFINE(TASK_EUID, offsetof(struct task_struct, euid));
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DEFINE(TASK_GID, offsetof(struct task_struct, gid));
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DEFINE(TASK_EGID, offsetof(struct task_struct, egid));
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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(SIZEOF_PT_REGS, sizeof(struct pt_regs));
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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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