From 2a8477a76a7583bccb5df17088be00fbef75a35d Mon Sep 17 00:00:00 2001 From: "hp.com!davidm" Date: Fri, 5 Apr 2002 23:37:55 +0000 Subject: [PATCH] (UNW_PREFIX): Include the target name in the prefix. }(Logical change 1.12) --- include/libunwind.h | 217 -------------------------------------------- 1 file changed, 217 deletions(-) delete mode 100644 include/libunwind.h diff --git a/include/libunwind.h b/include/libunwind.h deleted file mode 100644 index 2cb113c6..00000000 --- a/include/libunwind.h +++ /dev/null @@ -1,217 +0,0 @@ -/* libunwind - a platform-independent unwind library - Copyright (C) 2001-2002 Hewlett-Packard Co - Contributed by David Mosberger-Tang - -This file is part of libunwind. - -libunwind is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -libunwind is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -As a special exception, if you link this library with other files to -produce an executable, this library does not by itself cause the -resulting executable to be covered by the GNU General Public License. -This exception does not however invalidate any other reasons why the -executable file might be covered by the GNU General Public -License. */ - -#ifndef LIBUNWIND_H -#define LIBUNWIND_H - -#include - -#ifdef UNW_LOCAL_ONLY -# define UNW_PREFIX _Ul_ -#else /* !UNW_LOCAL_ONLY */ -# define UNW_PREFIX _U_ -#endif /* !UNW_LOCAL_ONLY */ - -#define UNW_PASTE2(x,y) x##y -#define UNW_PASTE(x,y) UNW_PASTE2(x,y) -#define UNW_OBJ(fn) UNW_PASTE(UNW_PREFIX, fn) - -#include "libunwind-tdep.h" - -typedef unw_tdep_word_t unw_word_t; - -/* This needs to be big enough to accommodate the unwind state of any - architecture, while leaving some slack for future expansion. - Changing this value will require recompiling all users of this - library. */ -#define UNW_STATE_LEN 127 - -/* Error codes. The unwind routines return the *negated* values of - these error codes on error and a non-negative value on success. */ -typedef enum - { - UNW_ESUCCESS = 0, /* no error */ - UNW_EUNSPEC, /* unspecified (general) error */ - UNW_ENOMEM, /* out of memory */ - UNW_EBADREG, /* bad register number */ - UNW_EREADONLYREG, /* attempt to write read-only register */ - UNW_ESTOPUNWIND, /* stop unwinding */ - UNW_EINVALIDIP, /* invalid IP */ - UNW_EBADFRAME, /* bad frame */ - UNW_EINVAL, /* unsupported operation */ - UNW_EBADVERSION, /* unwind info has unsupported version */ - UNW_ENOINFO /* no unwind info found */ - } -unw_error_t; - -/* The following enum defines the indices for a couple of - (pseudo-)registers which have the same meaning across all - platforms. (RO) means read-only. (RW) means read-write. General - registers (aka "integer registers") are expected to start with - index 0. The number of such registers is architecture-dependent. - The remaining indices can be used as an architecture sees fit. The - last valid register index is given by UNW_REG_LAST. */ -typedef enum - { - UNW_REG_IP = UNW_TDEP_IP, /* (rw) instruction pointer (pc) */ - UNW_REG_SP = UNW_TDEP_SP, /* (ro) stack pointer */ - UNW_REG_PROC_START = UNW_TDEP_PROC_START, /* (ro) proc startaddr */ - UNW_REG_HANDLER = UNW_TDEP_HANDLER, /* (ro) addr. of personality routine */ - UNW_REG_LSDA = UNW_TDEP_LSDA, /* (ro) addr. of lang.-specific data */ - UNW_REG_LAST = UNW_TDEP_LAST_REG - } -unw_frame_regnum_t; - -typedef int unw_regnum_t; - -/* The unwind cursor starts at the youngest (most deeply nested) frame - and is used to track the frame state as the unwinder steps from - frame to frame. It is safe to make (shallow) copies of variables - of this type. */ -typedef struct unw_cursor - { - unw_word_t opaque[UNW_STATE_LEN]; - } -unw_cursor_t; - -/* This type encapsulates the entire (preserved) machine-state. */ -typedef unw_tdep_context_t unw_context_t; - -/* unw_getcontext() fills the unw_context_t pointed to by UC with the - machine state as it exists at the call-site. For implementation - reasons, this needs to be a target-dependent macro. It's easiest - to think of unw_getcontext() as being identical to getcontext(). */ -#define unw_getcontext(uc) unw_tdep_getcontext(uc) - -/* We will assume that "long double" is sufficiently large and aligned - to hold the contents of a floating-point register. Note that the - fp register format is not usually the same format as a "long - double". Instead, the content of unw_fpreg_t should be manipulated - only through the "raw.bits" member. */ -typedef union - { - struct { unw_word_t bits[1]; } raw; - long double dummy; /* dummy to force 16-byte alignment */ - } -unw_fpreg_t; - -/* These are backend callback routines that provide access to the - state of a "remote" process. This can be used, for example, to - unwind another process through the ptrace() interface. */ -typedef struct unw_accessors - { - /* Lock for unwind info for address IP. The architecture specific - UNWIND_INFO is updated as necessary. */ - int (*acquire_unwind_info) (unw_word_t ip, void *unwind_info, void *arg); - int (*release_unwind_info) (void *unwind_info, void *arg); - - /* Access aligned word at address ADDR. */ - int (*access_mem) (unw_word_t addr, unw_word_t *val, int write, void *arg); - - /* Access register number REG at address ADDR. */ - int (*access_reg) (unw_regnum_t reg, unw_word_t *val, int write, - void *arg); - - /* Access register number REG at address ADDR. */ - int (*access_fpreg) (unw_regnum_t reg, unw_fpreg_t *val, int write, - void *arg); - - int (*resume) (unw_cursor_t *c, void *arg); - - void *arg; /* application-specific data */ - } -unw_accessors_t; - -typedef enum unw_save_loc_type - { - UNW_SLT_NONE, /* register is not saved ("not an l-value") */ - UNW_SLT_MEMORY, /* register has been saved in memory */ - UNW_SLT_REG /* register has been saved in (another) register */ - } -unw_save_loc_type_t; - -typedef struct unw_save_loc - { - unw_save_loc_type_t type; - union - { - unw_word_t addr; /* valid if type==UNW_SLT_MEMORY */ - unw_regnum_t regnum; /* valid if type==UNW_SLT_REG */ - } - u; - unw_tdep_save_loc_t extra; /* target-dependent additional information */ - } -unw_save_loc_t; - -/* These routines work both for local and remote unwinding. */ - -extern int UNW_OBJ(init_local) (unw_cursor_t *c, ucontext_t *u); -extern int UNW_OBJ(init_remote) (unw_cursor_t *c, unw_accessors_t *a); -extern int UNW_OBJ(step) (unw_cursor_t *c); -extern int UNW_OBJ(resume) (unw_cursor_t *c); -extern int UNW_OBJ(get_reg) (unw_cursor_t *c, int regnum, unw_word_t *valp); -extern int UNW_OBJ(set_reg) (unw_cursor_t *c, int regnum, unw_word_t val); -extern int UNW_OBJ(get_fpreg) (unw_cursor_t *c, int regnum, unw_fpreg_t *val); -extern int UNW_OBJ(set_fpreg) (unw_cursor_t *c, int regnum, unw_fpreg_t val); -extern int UNW_OBJ(get_save_loc) (unw_cursor_t *c, int regnum, - unw_save_loc_t *loc); -extern int UNW_OBJ(is_signal_frame) (unw_cursor_t *c); - -/* Initialize cursor C such that unwinding starts at the point - represented by the context U. Returns zero on success, negative - value on failure. */ -#define unw_init_local(c,u) UNW_OBJ(init_local)(c, u) - -/* Initialize cursor C such that it accesses the unwind target through - accessors A. */ -#define unw_init_remote(c,a) UNW_OBJ(init_remote)(c, a) - -/* Move cursor up by one step (up meaning toward earlier, less deeply - nested frames). Returns positive number if there are more frames - to unwind, 0 if last frame has been reached, negative number in - case of an error. */ -#define unw_step(c) UNW_OBJ(step)(c) - -/* Resume execution at the point identified by the cursor. */ -#define unw_resume(c) UNW_OBJ(resume)(c) - -/* Register accessor routines. Return zero on success, negative value - on failure. */ -#define unw_get_reg(c,r,v) UNW_OBJ(get_reg)(c,r,v) -#define unw_set_reg(c,r,v) UNW_OBJ(set_reg)(c,r,v) - -/* Floating-point accessor routines. Return zero on success, negative - value on failure. */ -#define unw_get_fpreg(c,r,v) UNW_OBJ(get_fpreg)(c,r,v) -#define unw_set_fpreg(c,r,v) UNW_OBJ(set_fpreg)(c,r,v) - -#define unw_get_save_loc(c,r,l) UNW_OBJ(get_save_loc)(c,r,l) - -/* Return 1 if register number R is a floating-point register, zero - otherwise. */ -#define unw_is_fpreg(r) unw_tdep_is_fpreg(r) - -/* Returns non-zero value if the cursor points to a signal frame. */ -#define unw_is_signal_frame(c) UNW_OBJ(is_signal_frame)(c) - -#endif /* LIBUNWIND_H */