mirror of
https://github.com/tobast/libunwind-eh_elf.git
synced 2024-06-18 07:41:44 +02:00
(UNW_DEBUG): Move here from ia64/unwind_i.h
(debug): Ditto. (dprintf): Ditto. (inline): Ditto. (mi_init): Declare. (Logical change 1.32)
This commit is contained in:
mostang.com!davidm
parent
a85267d16b
commit
bf070a994a
|
|
@ -0,0 +1,207 @@
|
|||
/* libunwind - a platform-independent unwind library
|
||||
Copyright (C) 2001-2002 Hewlett-Packard Co
|
||||
Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
|
||||
|
||||
This file is part of libunwind.
|
||||
|
||||
Permission is hereby granted, free of charge, to any person obtaining
|
||||
a copy of this software and associated documentation files (the
|
||||
"Software"), to deal in the Software without restriction, including
|
||||
without limitation the rights to use, copy, modify, merge, publish,
|
||||
distribute, sublicense, and/or sell copies of the Software, and to
|
||||
permit persons to whom the Software is furnished to do so, subject to
|
||||
the following conditions:
|
||||
|
||||
The above copyright notice and this permission notice shall be
|
||||
included in all copies or substantial portions of the Software.
|
||||
|
||||
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
||||
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||||
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
||||
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
|
||||
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
|
||||
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
||||
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
|
||||
|
||||
#ifndef internal_h
|
||||
#define internal_h
|
||||
|
||||
/* Platform-independent libunwind-internal declarations. */
|
||||
|
||||
#include <assert.h>
|
||||
#include <pthread.h>
|
||||
#include <libunwind.h>
|
||||
|
||||
#ifdef __GNUC__
|
||||
# define HIDDEN __attribute__((visibility ("hidden")))
|
||||
#else
|
||||
# define HIDDEN
|
||||
#endif
|
||||
|
||||
#ifdef DEBUG
|
||||
# define UNW_DEBUG 1
|
||||
#endif
|
||||
|
||||
#if UNW_DEBUG
|
||||
# include <stdio.h>
|
||||
# define debug(level,format...) \
|
||||
do { if (tdep_debug_level > level) printf (format); } while (0)
|
||||
# define dprintf(format...) \
|
||||
printf (format)
|
||||
# ifdef __GNUC__
|
||||
# define inline __attribute__ ((unused))
|
||||
# endif
|
||||
#else
|
||||
# define debug(level,format...)
|
||||
# define dprintf(format...)
|
||||
# ifdef __GNUC__
|
||||
# else
|
||||
# define inline /* nothing */
|
||||
# endif
|
||||
#endif
|
||||
|
||||
/* Make it easy to write thread-safe code which may or may not be
|
||||
linked against libpthread. The macros below can be used
|
||||
unconditionally and if -lpthread is around, they'll call the
|
||||
corresponding routines otherwise, they do nothing. */
|
||||
|
||||
#pragma weak pthread_mutex_lock
|
||||
#pragma weak pthread_mutex_unlock
|
||||
|
||||
#define mutex_lock(l) (pthread_mutex_lock ? pthread_mutex_lock (l) : 0)
|
||||
#define mutex_unlock(l) (pthread_mutex_unlock ? pthread_mutex_unlock (l) : 0)
|
||||
|
||||
#define UNWI_OBJ(fn) UNW_PASTE(UNW_PREFIX,UNW_PASTE(I,fn))
|
||||
#define UNWI_ARCH_OBJ(fn) UNW_PASTE(UNW_PASTE(UNW_PASTE(_UI,UNW_TARGET),_), fn)
|
||||
|
||||
extern int UNWI_OBJ(find_dynamic_proc_info) (unw_addr_space_t as,
|
||||
unw_word_t ip,
|
||||
unw_proc_info_t *pi,
|
||||
int need_unwind_info, void *arg);
|
||||
extern int UNWI_ARCH_OBJ(extract_dynamic_proc_info) (unw_addr_space_t as,
|
||||
unw_word_t ip,
|
||||
unw_proc_info_t *pi,
|
||||
unw_dyn_info_t *di,
|
||||
int need_unwind_info,
|
||||
void *arg);
|
||||
extern void UNWI_OBJ(put_dynamic_unwind_info) (unw_addr_space_t as,
|
||||
unw_proc_info_t *pi, void *arg);
|
||||
extern int UNWI_ARCH_OBJ(dyn_remote_find_proc_info) (unw_addr_space_t as,
|
||||
unw_word_t ip,
|
||||
unw_proc_info_t *pi,
|
||||
unw_word_t *generation,
|
||||
int need_unwind_info,
|
||||
void *arg);
|
||||
extern void UNWI_ARCH_OBJ(dyn_remote_put_unwind_info) (unw_addr_space_t as,
|
||||
unw_proc_info_t *pi,
|
||||
void *arg);
|
||||
extern int UNWI_ARCH_OBJ(get_proc_name) (unw_addr_space_t as,
|
||||
unw_word_t ip, int is_local,
|
||||
char *buf, size_t buf_len, void *arg);
|
||||
|
||||
#define unwi_find_dynamic_proc_info(as,ip,pi,n,arg) \
|
||||
UNWI_OBJ(find_dynamic_proc_info)(as, ip, pi, n, arg)
|
||||
|
||||
#define unwi_extract_dynamic_proc_info(as,ip,pi,di,n,arg) \
|
||||
UNWI_ARCH_OBJ(extract_dynamic_proc_info)(as, ip, pi, di, n, arg)
|
||||
|
||||
#define unwi_put_dynamic_unwind_info(as,pi,arg) \
|
||||
UNWI_OBJ(put_dynamic_unwind_info)(as, pi, arg)
|
||||
|
||||
/* These handle the remote (cross-address-space) case of accessing
|
||||
dynamic unwind info. */
|
||||
|
||||
#define unwi_dyn_remote_find_proc_info(as,i,p,g,n,arg) \
|
||||
UNWI_ARCH_OBJ(dyn_remote_find_proc_info)(as, i, p, g, n, arg)
|
||||
|
||||
#define unwi_dyn_remote_put_unwind_info(as,p,arg) \
|
||||
UNWI_ARCH_OBJ(dyn_remote_put_unwind_info)(as, p, arg)
|
||||
|
||||
#define unwi_get_proc_name(as,ip,l,b,s,arg) \
|
||||
UNWI_ARCH_OBJ(get_proc_name)(as, ip, l, b, s, arg)
|
||||
|
||||
extern unw_dyn_info_list_t _U_dyn_info_list;
|
||||
extern pthread_mutex_t _U_dyn_info_list_lock;
|
||||
|
||||
#define WSIZE (sizeof (unw_word_t))
|
||||
|
||||
static inline int
|
||||
fetch8 (unw_addr_space_t as, unw_accessors_t *a,
|
||||
unw_word_t *addr, int8_t *valp, void *arg)
|
||||
{
|
||||
unw_word_t val, aligned_addr = *addr & -WSIZE, off = *addr - aligned_addr;
|
||||
int ret;
|
||||
|
||||
*addr += 1;
|
||||
|
||||
ret = (*a->access_mem) (as, aligned_addr, &val, 0, arg);
|
||||
|
||||
#if __BYTE_ORDER == __LITTLE_ENDIAN
|
||||
val >>= 8*off;
|
||||
#else
|
||||
val >>= 8*(WSIZE - 1 - off);
|
||||
#endif
|
||||
*valp = val & 0xff;
|
||||
return ret;
|
||||
}
|
||||
|
||||
static inline int
|
||||
fetch16 (unw_addr_space_t as, unw_accessors_t *a,
|
||||
unw_word_t *addr, int16_t *valp, void *arg)
|
||||
{
|
||||
unw_word_t val, aligned_addr = *addr & -WSIZE, off = *addr - aligned_addr;
|
||||
int ret;
|
||||
|
||||
assert ((off & 0x1) == 0);
|
||||
|
||||
*addr += 2;
|
||||
|
||||
ret = (*a->access_mem) (as, aligned_addr, &val, 0, arg);
|
||||
|
||||
#if __BYTE_ORDER == __LITTLE_ENDIAN
|
||||
val >>= 8*off;
|
||||
#else
|
||||
val >>= 8*(WSIZE - 2 - off);
|
||||
#endif
|
||||
*valp = val & 0xffff;
|
||||
return ret;
|
||||
}
|
||||
|
||||
static inline int
|
||||
fetch32 (unw_addr_space_t as, unw_accessors_t *a,
|
||||
unw_word_t *addr, int32_t *valp, void *arg)
|
||||
{
|
||||
unw_word_t val, aligned_addr = *addr & -WSIZE, off = *addr - aligned_addr;
|
||||
int ret;
|
||||
|
||||
assert ((off & 0x3) == 0);
|
||||
|
||||
*addr += 4;
|
||||
|
||||
ret = (*a->access_mem) (as, aligned_addr, &val, 0, arg);
|
||||
|
||||
#if __BYTE_ORDER == __LITTLE_ENDIAN
|
||||
val >>= 8*off;
|
||||
#else
|
||||
val >>= 8*(WSIZE - 4 - off);
|
||||
#endif
|
||||
*valp = val & 0xffffffff;
|
||||
return ret;
|
||||
}
|
||||
|
||||
static inline int
|
||||
fetchw (unw_addr_space_t as, unw_accessors_t *a,
|
||||
unw_word_t *addr, unw_word_t *valp, void *arg)
|
||||
{
|
||||
int ret;
|
||||
|
||||
ret = (*a->access_mem) (as, *addr, valp, 0, arg);
|
||||
*addr += WSIZE;
|
||||
return ret;
|
||||
}
|
||||
|
||||
extern void mi_init (void); /* machine-independent initializations */
|
||||
|
||||
#include <tdep.h>
|
||||
|
||||
#endif /* internal_h */
|
||||
Loading…
Reference in a new issue