diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/um/include/registers.h | 12 | ||||
| -rw-r--r-- | arch/um/include/sysdep-x86_64/ptrace.h | 4 | ||||
| -rw-r--r-- | arch/um/kernel/sysrq.c | 8 | ||||
| -rw-r--r-- | arch/um/os-Linux/sys-i386/registers.c | 19 | ||||
| -rw-r--r-- | arch/um/os-Linux/sys-x86_64/registers.c | 19 | ||||
| -rw-r--r-- | arch/um/sys-i386/sysrq.c | 13 |
6 files changed, 21 insertions, 54 deletions
diff --git a/arch/um/include/registers.h b/arch/um/include/registers.h index 0a35e6d..4892e5f 100644 --- a/arch/um/include/registers.h +++ b/arch/um/include/registers.h @@ -15,16 +15,6 @@ extern void save_registers(int pid, union uml_pt_regs *regs); extern void restore_registers(int pid, union uml_pt_regs *regs); extern void init_registers(int pid); extern void get_safe_registers(unsigned long * regs); +extern void get_thread_regs(union uml_pt_regs *uml_regs, void *buffer); #endif - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/arch/um/include/sysdep-x86_64/ptrace.h b/arch/um/include/sysdep-x86_64/ptrace.h index 331aa2d..8f06567 100644 --- a/arch/um/include/sysdep-x86_64/ptrace.h +++ b/arch/um/include/sysdep-x86_64/ptrace.h @@ -218,10 +218,6 @@ struct syscall_args { case RBP: UPT_RBP(regs) = __upt_val; break; \ case ORIG_RAX: UPT_ORIG_RAX(regs) = __upt_val; break; \ case CS: UPT_CS(regs) = __upt_val; break; \ - case DS: UPT_DS(regs) = __upt_val; break; \ - case ES: UPT_ES(regs) = __upt_val; break; \ - case FS: UPT_FS(regs) = __upt_val; break; \ - case GS: UPT_GS(regs) = __upt_val; break; \ case EFLAGS: UPT_EFLAGS(regs) = __upt_val; break; \ default : \ panic("Bad register in UPT_SET : %d\n", reg); \ diff --git a/arch/um/kernel/sysrq.c b/arch/um/kernel/sysrq.c index f808500..b331e97 100644 --- a/arch/um/kernel/sysrq.c +++ b/arch/um/kernel/sysrq.c @@ -62,13 +62,7 @@ void show_stack(struct task_struct *task, unsigned long *esp) if (esp == NULL) { if (task != current && task != NULL) { - /* XXX: Isn't this bogus? I.e. isn't this the - * *userspace* stack of this task? If not so, use this - * even when task == current (as in i386). - */ esp = (unsigned long *) KSTK_ESP(task); - /* Which one? No actual difference - just coding style.*/ - //esp = (unsigned long *) PT_REGS_IP(&task->thread.regs); } else { esp = (unsigned long *) &esp; } @@ -84,5 +78,5 @@ void show_stack(struct task_struct *task, unsigned long *esp) } printk("Call Trace: \n"); - show_trace(current, esp); + show_trace(task, esp); } diff --git a/arch/um/os-Linux/sys-i386/registers.c b/arch/um/os-Linux/sys-i386/registers.c index 3125d32..aee4812 100644 --- a/arch/um/os-Linux/sys-i386/registers.c +++ b/arch/um/os-Linux/sys-i386/registers.c @@ -5,6 +5,7 @@ #include <errno.h> #include <string.h> +#include <setjmp.h> #include "sysdep/ptrace_user.h" #include "sysdep/ptrace.h" #include "uml-config.h" @@ -126,13 +127,11 @@ void get_safe_registers(unsigned long *regs) memcpy(regs, exec_regs, HOST_FRAME_SIZE * sizeof(unsigned long)); } -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ +void get_thread_regs(union uml_pt_regs *uml_regs, void *buffer) +{ + struct __jmp_buf_tag *jmpbuf = buffer; + + UPT_SET(uml_regs, EIP, jmpbuf->__jmpbuf[JB_PC]); + UPT_SET(uml_regs, UESP, jmpbuf->__jmpbuf[JB_SP]); + UPT_SET(uml_regs, EBP, jmpbuf->__jmpbuf[JB_BP]); +} diff --git a/arch/um/os-Linux/sys-x86_64/registers.c b/arch/um/os-Linux/sys-x86_64/registers.c index 44438d1..4b638dfb 100644 --- a/arch/um/os-Linux/sys-x86_64/registers.c +++ b/arch/um/os-Linux/sys-x86_64/registers.c @@ -5,6 +5,7 @@ #include <errno.h> #include <string.h> +#include <setjmp.h> #include "ptrace_user.h" #include "uml-config.h" #include "skas_ptregs.h" @@ -74,13 +75,11 @@ void get_safe_registers(unsigned long *regs) memcpy(regs, exec_regs, HOST_FRAME_SIZE * sizeof(unsigned long)); } -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ +void get_thread_regs(union uml_pt_regs *uml_regs, void *buffer) +{ + struct __jmp_buf_tag *jmpbuf = buffer; + + UPT_SET(uml_regs, RIP, jmpbuf->__jmpbuf[JB_PC]); + UPT_SET(uml_regs, RSP, jmpbuf->__jmpbuf[JB_RSP]); + UPT_SET(uml_regs, RBP, jmpbuf->__jmpbuf[JB_RBP]); +} diff --git a/arch/um/sys-i386/sysrq.c b/arch/um/sys-i386/sysrq.c index e3706d1..d5244f0 100644 --- a/arch/um/sys-i386/sysrq.c +++ b/arch/um/sys-i386/sysrq.c @@ -88,9 +88,7 @@ void show_trace(struct task_struct* task, unsigned long * stack) task = current; if (task != current) { - //ebp = (unsigned long) KSTK_EBP(task); - /* Which one? No actual difference - just coding style.*/ - ebp = (unsigned long) PT_REGS_EBP(&task->thread.regs); + ebp = (unsigned long) KSTK_EBP(task); } else { asm ("movl %%ebp, %0" : "=r" (ebp) : ); } @@ -99,15 +97,6 @@ void show_trace(struct task_struct* task, unsigned long * stack) ((unsigned long)stack & (~(THREAD_SIZE - 1))); print_context_stack(context, stack, ebp); - /*while (((long) stack & (THREAD_SIZE-1)) != 0) { - addr = *stack; - if (__kernel_text_address(addr)) { - printk("%08lx: [<%08lx>]", (unsigned long) stack, addr); - print_symbol(" %s", addr); - printk("\n"); - } - stack++; - }*/ printk("\n"); } |