#ifndef _UNWIND_H_ #define _UNWIND_H_ #include <linux/list.h> /* From ABI specifications */ struct unwind_table_entry { unsigned int region_start; unsigned int region_end; unsigned int Cannot_unwind:1; /* 0 */ unsigned int Millicode:1; /* 1 */ unsigned int Millicode_save_sr0:1; /* 2 */ unsigned int Region_description:2; /* 3..4 */ unsigned int reserved1:1; /* 5 */ unsigned int Entry_SR:1; /* 6 */ unsigned int Entry_FR:4; /* number saved *//* 7..10 */ unsigned int Entry_GR:5; /* number saved *//* 11..15 */ unsigned int Args_stored:1; /* 16 */ unsigned int Variable_Frame:1; /* 17 */ unsigned int Separate_Package_Body:1; /* 18 */ unsigned int Frame_Extension_Millicode:1; /* 19 */ unsigned int Stack_Overflow_Check:1; /* 20 */ unsigned int Two_Instruction_SP_Increment:1; /* 21 */ unsigned int Ada_Region:1; /* 22 */ unsigned int cxx_info:1; /* 23 */ unsigned int cxx_try_catch:1; /* 24 */ unsigned int sched_entry_seq:1; /* 25 */ unsigned int reserved2:1; /* 26 */ unsigned int Save_SP:1; /* 27 */ unsigned int Save_RP:1; /* 28 */ unsigned int Save_MRP_in_frame:1; /* 29 */ unsigned int extn_ptr_defined:1; /* 30 */ unsigned int Cleanup_defined:1; /* 31 */ unsigned int MPE_XL_interrupt_marker:1; /* 0 */ unsigned int HP_UX_interrupt_marker:1; /* 1 */ unsigned int Large_frame:1; /* 2 */ unsigned int Pseudo_SP_Set:1; /* 3 */ unsigned int reserved4:1; /* 4 */ unsigned int Total_frame_size:27; /* 5..31 */ }; struct unwind_table { struct list_head list; const char *name; unsigned long gp; unsigned long base_addr; unsigned long start; unsigned long end; const struct unwind_table_entry *table; unsigned long length; }; struct unwind_frame_info { struct task_struct *t; /* Eventually we would like to be able to get at any of the registers available; but for now we only try to get the sp and ip for each frame */ /* struct pt_regs regs; */ unsigned long sp, ip, rp, r31; unsigned long prev_sp, prev_ip; }; struct unwind_table * unwind_table_add(const char *name, unsigned long base_addr, unsigned long gp, void *start, void *end); void unwind_table_remove(struct unwind_table *table); void unwind_frame_init(struct unwind_frame_info *info, struct task_struct *t, struct pt_regs *regs); void unwind_frame_init_from_blocked_task(struct unwind_frame_info *info, struct task_struct *t); void unwind_frame_init_running(struct unwind_frame_info *info, struct pt_regs *regs); int unwind_once(struct unwind_frame_info *info); int unwind_to_user(struct unwind_frame_info *info); int unwind_init(void); #endif