Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /* ptrace.c: Sparc process tracing support.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  * Copyright (C) 1996, 2008 David S. Miller (davem@davemloft.net)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  * Based upon code written by Ross Biro, Linus Torvalds, Bob Manson,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7)  * and David Mosberger.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9)  * Added Linux support -miguel (weird, eh?, the original code was meant
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10)  * to emulate SunOS).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) #include <linux/sched.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) #include <linux/mm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) #include <linux/errno.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) #include <linux/ptrace.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) #include <linux/user.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) #include <linux/smp.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) #include <linux/security.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) #include <linux/signal.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) #include <linux/regset.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) #include <linux/elf.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) #include <linux/tracehook.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) #include <linux/uaccess.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) #include <asm/cacheflush.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) #include "kernel.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) /* #define ALLOW_INIT_TRACING */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34)  * Called by kernel/ptrace.c when detaching..
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36)  * Make sure single step bits etc are not set.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) void ptrace_disable(struct task_struct *child)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 	/* nothing to do */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) enum sparc_regset {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 	REGSET_GENERAL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 	REGSET_FP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) static int regwindow32_get(struct task_struct *target,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 			   const struct pt_regs *regs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 			   u32 *uregs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 	unsigned long reg_window = regs->u_regs[UREG_I6];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 	int size = 16 * sizeof(u32);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 	if (target == current) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 		if (copy_from_user(uregs, (void __user *)reg_window, size))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 			return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 		if (access_process_vm(target, reg_window, uregs, size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 				      FOLL_FORCE) != size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 			return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) static int regwindow32_set(struct task_struct *target,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 			   const struct pt_regs *regs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 			   u32 *uregs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 	unsigned long reg_window = regs->u_regs[UREG_I6];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 	int size = 16 * sizeof(u32);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 	if (target == current) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 		if (copy_to_user((void __user *)reg_window, uregs, size))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 			return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 		if (access_process_vm(target, reg_window, uregs, size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 				      FOLL_FORCE | FOLL_WRITE) != size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 			return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) static int genregs32_get(struct task_struct *target,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 			 const struct user_regset *regset,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 			 struct membuf to)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 	const struct pt_regs *regs = target->thread.kregs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	u32 uregs[16];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 	if (target == current)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 		flush_user_windows();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 	membuf_write(&to, regs->u_regs, 16 * sizeof(u32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 	if (!to.left)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 	if (regwindow32_get(target, regs, uregs))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 		return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 	membuf_write(&to, uregs, 16 * sizeof(u32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 	membuf_store(&to, regs->psr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 	membuf_store(&to, regs->pc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	membuf_store(&to, regs->npc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 	membuf_store(&to, regs->y);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 	return membuf_zero(&to, 2 * sizeof(u32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) static int genregs32_set(struct task_struct *target,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 			 const struct user_regset *regset,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 			 unsigned int pos, unsigned int count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 			 const void *kbuf, const void __user *ubuf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 	struct pt_regs *regs = target->thread.kregs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 	u32 uregs[16];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 	u32 psr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 	if (target == current)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 		flush_user_windows();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 	ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 				 regs->u_regs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 				 0, 16 * sizeof(u32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 	if (ret || !count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 	if (regwindow32_get(target, regs, uregs))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 		return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 	ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 				 uregs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 				 16 * sizeof(u32), 32 * sizeof(u32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 	if (regwindow32_set(target, regs, uregs))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 		return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 	if (!count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 	ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 				 &psr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 				 32 * sizeof(u32), 33 * sizeof(u32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 	regs->psr = (regs->psr & ~(PSR_ICC | PSR_SYSCALL)) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 		    (psr & (PSR_ICC | PSR_SYSCALL));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 	if (!count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 	ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 				 &regs->pc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 				 33 * sizeof(u32), 34 * sizeof(u32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 	if (ret || !count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 	ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 				 &regs->npc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 				 34 * sizeof(u32), 35 * sizeof(u32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 	if (ret || !count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 	ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 				 &regs->y,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 				 35 * sizeof(u32), 36 * sizeof(u32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 	if (ret || !count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 	return user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 					 36 * sizeof(u32), 38 * sizeof(u32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) static int fpregs32_get(struct task_struct *target,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 			const struct user_regset *regset,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 			struct membuf to)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) #if 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 	if (target == current)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 		save_and_clear_fpu();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 	membuf_write(&to, target->thread.float_regs, 32 * sizeof(u32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 	membuf_zero(&to, sizeof(u32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 	membuf_write(&to, &target->thread.fsr, sizeof(u32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 	membuf_store(&to, (u32)((1 << 8) | (8 << 16)));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 	return membuf_zero(&to, 64 * sizeof(u32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) static int fpregs32_set(struct task_struct *target,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 			const struct user_regset *regset,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 			unsigned int pos, unsigned int count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 			const void *kbuf, const void __user *ubuf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 	unsigned long *fpregs = target->thread.float_regs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) #if 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 	if (target == current)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 		save_and_clear_fpu();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 	ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 				 fpregs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 				 0, 32 * sizeof(u32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 	if (!ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 		user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 					  32 * sizeof(u32),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 					  33 * sizeof(u32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 	if (!ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 		ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 					 &target->thread.fsr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 					 33 * sizeof(u32),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 					 34 * sizeof(u32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 	if (!ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 		ret = user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 						34 * sizeof(u32), -1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) static const struct user_regset sparc32_regsets[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 	/* Format is:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 	 * 	G0 --> G7
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 	 *	O0 --> O7
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 	 *	L0 --> L7
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 	 *	I0 --> I7
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 	 *	PSR, PC, nPC, Y, WIM, TBR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 	[REGSET_GENERAL] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 		.core_note_type = NT_PRSTATUS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 		.n = 38,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 		.size = sizeof(u32), .align = sizeof(u32),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 		.regset_get = genregs32_get, .set = genregs32_set
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 	/* Format is:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 	 *	F0 --> F31
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 	 *	empty 32-bit word
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 	 *	FSR (32--bit word)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 	 *	FPU QUEUE COUNT (8-bit char)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 	 *	FPU QUEUE ENTRYSIZE (8-bit char)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 	 *	FPU ENABLED (8-bit char)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 	 *	empty 8-bit char
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 	 *	FPU QUEUE (64 32-bit ints)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 	[REGSET_FP] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 		.core_note_type = NT_PRFPREG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 		.n = 99,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 		.size = sizeof(u32), .align = sizeof(u32),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 		.regset_get = fpregs32_get, .set = fpregs32_set
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) static int getregs_get(struct task_struct *target,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 			 const struct user_regset *regset,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 			 struct membuf to)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 	const struct pt_regs *regs = target->thread.kregs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) 	if (target == current)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 		flush_user_windows();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 	membuf_store(&to, regs->psr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 	membuf_store(&to, regs->pc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 	membuf_store(&to, regs->npc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 	membuf_store(&to, regs->y);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) 	return membuf_write(&to, regs->u_regs + 1, 15 * sizeof(u32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) static int setregs_set(struct task_struct *target,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) 			 const struct user_regset *regset,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 			 unsigned int pos, unsigned int count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) 			 const void *kbuf, const void __user *ubuf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) 	struct pt_regs *regs = target->thread.kregs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) 	u32 v[4];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) 	if (target == current)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) 		flush_user_windows();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) 	ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) 				 v,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) 				 0, 4 * sizeof(u32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) 	regs->psr = (regs->psr & ~(PSR_ICC | PSR_SYSCALL)) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) 		    (v[0] & (PSR_ICC | PSR_SYSCALL));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) 	regs->pc = v[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) 	regs->npc = v[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) 	regs->y = v[3];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) 	return user_regset_copyin(&pos, &count, &kbuf, &ubuf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) 				 regs->u_regs + 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) 				 4 * sizeof(u32) , 19 * sizeof(u32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) static int getfpregs_get(struct task_struct *target,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) 			const struct user_regset *regset,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) 			struct membuf to)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) #if 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) 	if (target == current)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) 		save_and_clear_fpu();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) 	membuf_write(&to, &target->thread.float_regs, 32 * sizeof(u32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) 	membuf_write(&to, &target->thread.fsr, sizeof(u32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) 	return membuf_zero(&to, 35 * sizeof(u32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) static int setfpregs_set(struct task_struct *target,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) 			const struct user_regset *regset,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) 			unsigned int pos, unsigned int count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) 			const void *kbuf, const void __user *ubuf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) 	unsigned long *fpregs = target->thread.float_regs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) #if 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) 	if (target == current)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) 		save_and_clear_fpu();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) 	ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) 				 fpregs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) 				 0, 32 * sizeof(u32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) 	return user_regset_copyin(&pos, &count, &kbuf, &ubuf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) 				 &target->thread.fsr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) 				 32 * sizeof(u32),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) 				 33 * sizeof(u32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) static const struct user_regset ptrace32_regsets[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) 	[REGSET_GENERAL] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) 		.n = 19, .size = sizeof(u32),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) 		.regset_get = getregs_get, .set = setregs_set,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) 	[REGSET_FP] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) 		.n = 68, .size = sizeof(u32),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) 		.regset_get = getfpregs_get, .set = setfpregs_set,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) static const struct user_regset_view ptrace32_view = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) 	.regsets = ptrace32_regsets, .n = ARRAY_SIZE(ptrace32_regsets)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) static const struct user_regset_view user_sparc32_view = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) 	.name = "sparc", .e_machine = EM_SPARC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) 	.regsets = sparc32_regsets, .n = ARRAY_SIZE(sparc32_regsets)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) const struct user_regset_view *task_user_regset_view(struct task_struct *task)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) 	return &user_sparc32_view;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) struct fps {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) 	unsigned long regs[32];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) 	unsigned long fsr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) 	unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) 	unsigned long extra;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) 	unsigned long fpqd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) 	struct fq {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) 		unsigned long *insnaddr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) 		unsigned long insn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) 	} fpq[16];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) long arch_ptrace(struct task_struct *child, long request,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) 		 unsigned long addr, unsigned long data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) 	unsigned long addr2 = current->thread.kregs->u_regs[UREG_I4];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) 	void __user *addr2p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) 	struct pt_regs __user *pregs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) 	struct fps __user *fps;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) 	addr2p = (void __user *) addr2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) 	pregs = (struct pt_regs __user *) addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) 	fps = (struct fps __user *) addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) 	switch(request) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) 	case PTRACE_GETREGS: {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) 		ret = copy_regset_to_user(child, &ptrace32_view,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) 					  REGSET_GENERAL, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) 					  19 * sizeof(u32),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) 					  pregs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) 	case PTRACE_SETREGS: {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) 		ret = copy_regset_from_user(child, &ptrace32_view,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) 					    REGSET_GENERAL, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) 					    19 * sizeof(u32),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) 					    pregs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) 	case PTRACE_GETFPREGS: {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) 		ret = copy_regset_to_user(child, &ptrace32_view,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) 					  REGSET_FP, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) 					  68 * sizeof(u32),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) 					  fps);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) 	case PTRACE_SETFPREGS: {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) 		ret = copy_regset_from_user(child, &ptrace32_view,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) 					  REGSET_FP, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) 					  33 * sizeof(u32),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) 					  fps);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) 	case PTRACE_READTEXT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) 	case PTRACE_READDATA:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) 		ret = ptrace_readdata(child, addr, addr2p, data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) 		if (ret == data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) 			ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) 		else if (ret >= 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) 			ret = -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) 	case PTRACE_WRITETEXT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) 	case PTRACE_WRITEDATA:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) 		ret = ptrace_writedata(child, addr2p, addr, data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) 		if (ret == data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) 			ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) 		else if (ret >= 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) 			ret = -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) 		if (request == PTRACE_SPARC_DETACH)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) 			request = PTRACE_DETACH;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) 		ret = ptrace_request(child, request, addr, data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) asmlinkage int syscall_trace(struct pt_regs *regs, int syscall_exit_p)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) 	int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) 	if (test_thread_flag(TIF_SYSCALL_TRACE)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) 		if (syscall_exit_p)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) 			tracehook_report_syscall_exit(regs, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) 			ret = tracehook_report_syscall_entry(regs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) }