mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-26 21:35:20 +07:00
fc79168a7c
This patch adds support for the TIF_SYSCALL_TRACEPOINT on the parisc architecture. Basically, it calls the appropriate tracepoints on syscall entry and exit. Signed-off-by: Helge Deller <deller@gmx.de>
74 lines
1.4 KiB
C
74 lines
1.4 KiB
C
/* syscall.h */
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#ifndef _ASM_PARISC_SYSCALL_H_
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#define _ASM_PARISC_SYSCALL_H_
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#include <uapi/linux/audit.h>
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#include <linux/compat.h>
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#include <linux/err.h>
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#include <asm/ptrace.h>
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#define NR_syscalls (__NR_Linux_syscalls)
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static inline long syscall_get_nr(struct task_struct *tsk,
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struct pt_regs *regs)
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{
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return regs->gr[20];
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}
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static inline void syscall_get_arguments(struct task_struct *tsk,
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struct pt_regs *regs, unsigned int i,
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unsigned int n, unsigned long *args)
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{
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BUG_ON(i);
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switch (n) {
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case 6:
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args[5] = regs->gr[21];
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case 5:
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args[4] = regs->gr[22];
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case 4:
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args[3] = regs->gr[23];
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case 3:
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args[2] = regs->gr[24];
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case 2:
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args[1] = regs->gr[25];
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case 1:
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args[0] = regs->gr[26];
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case 0:
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break;
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default:
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BUG();
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}
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}
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static inline long syscall_get_return_value(struct task_struct *task,
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struct pt_regs *regs)
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{
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return regs->gr[28];
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}
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static inline void syscall_set_return_value(struct task_struct *task,
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struct pt_regs *regs,
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int error, long val)
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{
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regs->gr[28] = error ? error : val;
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}
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static inline void syscall_rollback(struct task_struct *task,
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struct pt_regs *regs)
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{
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/* do nothing */
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}
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static inline int syscall_get_arch(void)
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{
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int arch = AUDIT_ARCH_PARISC;
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#ifdef CONFIG_64BIT
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if (!is_compat_task())
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arch = AUDIT_ARCH_PARISC64;
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#endif
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return arch;
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}
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#endif /*_ASM_PARISC_SYSCALL_H_*/
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