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(Logical change 1.27)
This commit is contained in:
mostang.com!davidm 2002-11-16 06:50:04 +00:00
parent d1ded59cb0
commit 990790c880
1 changed files with 35 additions and 31 deletions
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66
src/ia64/unwind_i.h
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@ -113,11 +113,8 @@ struct ia64_proc_info
struct ia64_cursor
{
#ifdef UNW_LOCAL_ONLY
ucontext_t *uc; /* pointer to struct of preserved registers */
#else
struct unw_accessors acc;
#endif
void *as_arg; /* argument to address-space callbacks */
unw_addr_space_t as; /* reference to per-address-space info */
/* IP and predicate cache (these are always equal to the values
stored in ip_loc and pr_loc, respectively). */
@ -158,6 +155,19 @@ struct ia64_cursor
#include "script.h"
struct unw_addr_space
{
#ifndef UNW_LOCAL_ONLY
struct unw_accessors acc;
#endif
unw_caching_policy_t caching_policy;
u_int32_t cache_generation;
/* List of unwind tables (one per load-module). */
struct ia64_unwind_table *tables;
struct ia64_script_cache global_cache;
};
/* Bits 0 to 2 of an location are used to encode its type:
bit 0: set if location uses floating-point format.
@ -179,14 +189,14 @@ struct ia64_cursor
extern void *_Uia64_uc_addr (ucontext_t *uc, unw_regnum_t regnum);
#define IA64_REG_LOC(c,r) ((unw_word_t) _Uia64_uc_addr((c)->uc, (r)))
#define IA64_FPREG_LOC(c,r) \
((unw_word_t) _Uia64_uc_addr((c)->uc, (r)) | IA64_LOC_TYPE_FP)
#define IA64_REG_LOC(c,r) ((unw_word_t) _Uia64_uc_addr((c)->as_arg, (r)))
#define IA64_FPREG_LOC(c,r) \
((unw_word_t) _Uia64_uc_addr((c)->as_arg, (r)) | IA64_LOC_TYPE_FP)
# define ia64_acquire_unwind_info(c,ip,i) \
_Uia64_glibc_acquire_unwind_info((ip), (i), (c)->uc)
# define ia64_release_unwind_info(c,ip,i) \
_Uia64_glibc_release_unwind_info((i), (c)->uc)
# define ia64_acquire_unwind_info(c,ip,i) \
_Uia64_glibc_acquire_unwind_info((ip), (i), (c)->as_arg)
# define ia64_release_unwind_info(c,ip,i) \
_Uia64_glibc_release_unwind_info((i), (c)->as_arg)
/* Note: the register accessors (ia64_{get,set}{,fp}()) must check for
NULL locations because _Uia64_uc_addr() returns NULL for unsaved
@ -232,13 +242,13 @@ ia64_put (struct ia64_cursor *c, unw_word_t loc, unw_word_t val)
#define IA64_IS_REG_LOC(r) (((r) & IA64_LOC_TYPE_REG) != 0)
#define IA64_REG_LOC(c,r) IA64_LOC((r), IA64_LOC_TYPE_REG)
#define IA64_FPREG_LOC(c,r) IA64_LOC((r), (IA64_LOC_TYPE_REG \
#define IA64_FPREG_LOC(c,r) IA64_LOC((r), (IA64_LOC_TYPE_REG \
| IA64_LOC_TYPE_FP))
# define ia64_acquire_unwind_info(c,ip,i) \
(*(c)->acc.acquire_unwind_info)((ip), (i), (c)->acc.arg)
(*(c)->as->acc.acquire_unwind_info)((ip), (i), (c)->as_arg)
# define ia64_release_unwind_info(c,ip,i) \
(*(c)->acc.release_unwind_info)((i), (c)->acc.arg)
(*(c)->as->acc.release_unwind_info)((i), (c)->as->as_arg)
static inline int
ia64_getfp (struct ia64_cursor *c, unw_word_t loc, unw_fpreg_t *val)
@ -246,14 +256,14 @@ ia64_getfp (struct ia64_cursor *c, unw_word_t loc, unw_fpreg_t *val)
int ret;
if (IA64_IS_REG_LOC (loc))
return (*c->acc.access_fpreg) (IA64_GET_LOC (loc), val, 0, c->acc.arg);
return (*c->as->acc.access_fpreg) (IA64_GET_LOC (loc), val, 0, c->as_arg);
loc = IA64_MASK_LOC_TYPE(loc);
ret = (*c->acc.access_mem) (loc + 0, &val->raw.bits[0], 0, c->acc.arg);
ret = (*c->as->acc.access_mem) (loc + 0, &val->raw.bits[0], 0, c->as_arg);
if (ret < 0)
return ret;
return (*c->acc.access_mem) (loc + 8, &val->raw.bits[1], 0, c->acc.arg);
return (*c->as->acc.access_mem) (loc + 8, &val->raw.bits[1], 0, c->as_arg);
}
static inline int
@ -262,14 +272,14 @@ ia64_putfp (struct ia64_cursor *c, unw_word_t loc, unw_fpreg_t val)
int ret;
if (IA64_IS_REG_LOC (loc))
return (*c->acc.access_fpreg) (IA64_GET_LOC (loc), &val, 1, c->acc.arg);
return (*c->as->acc.access_fpreg) (IA64_GET_LOC (loc), &val, 1, c->as_arg);
loc = IA64_MASK_LOC_TYPE(loc);
ret = (*c->acc.access_mem) (loc + 0, &val.raw.bits[0], 1, c->acc.arg);
ret = (*c->as->acc.access_mem) (loc + 0, &val.raw.bits[0], 1, c->as_arg);
if (ret < 0)
return ret;
return (*c->acc.access_mem) (loc + 8, &val.raw.bits[1], 1, c->acc.arg);
return (*c->as->acc.access_mem) (loc + 8, &val.raw.bits[1], 1, c->as_arg);
}
/* Get the 64 data bits from location LOC. If bit 0 is cleared, LOC
@ -297,9 +307,9 @@ ia64_get (struct ia64_cursor *c, unw_word_t loc, unw_word_t *val)
}
if (IA64_IS_REG_LOC (loc))
return (*c->acc.access_reg)(IA64_GET_LOC (loc), val, 0, c->acc.arg);
return (*c->as->acc.access_reg)(IA64_GET_LOC (loc), val, 0, c->as_arg);
else
return (*c->acc.access_mem)(loc, val, 0, c->acc.arg);
return (*c->as->acc.access_mem)(loc, val, 0, c->as_arg);
}
static inline int
@ -318,9 +328,9 @@ ia64_put (struct ia64_cursor *c, unw_word_t loc, unw_word_t val)
}
if (IA64_IS_REG_LOC (loc))
return (*c->acc.access_reg)(IA64_GET_LOC (loc), &val, 1, c->acc.arg);
return (*c->as->acc.access_reg)(IA64_GET_LOC (loc), &val, 1, c->as_arg);
else
return (*c->acc.access_mem)(loc, &val, 1, c->acc.arg);
return (*c->as->acc.access_mem)(loc, &val, 1, c->as_arg);
}
#endif /* !UNW_LOCAL_ONLY */
@ -417,9 +427,6 @@ struct ia64_global_unwind_state
{
int first_time;
/* List of unwind tables (one per load-module). */
struct ia64_unwind_table *tables;
/* Table of registers that prologues can save (and order in which
they're saved). */
const unsigned char save_order[8];
@ -438,9 +445,6 @@ struct ia64_global_unwind_state
struct mempool state_record_pool;
struct mempool labeled_state_pool;
u_int32_t cache_generation;
struct ia64_script_cache global_cache;
# if IA64_UNW_DEBUG
long debug_level;
const char *preg_name[IA64_NUM_PREGS];