mirror of
https://github.com/tobast/libunwind-eh_elf.git
synced 2024-11-23 16:07:37 +01:00
(unw): Move to global-ia64.c.
(tdep_uc_addr): "Rename" from _Uia64_uc_addr(). (_U_dyn_info_list): Move to global-ia64.c. (ia64_init): Move to global-ia64.c. (ia64_local_addr_space_init): New function. 2002/12/18 15:52:23-08:00 mostang.com!davidm Rename: src/ia64/Ginit.c -> src/ia64/Ginit-ia64.c (Logical change 1.32)
This commit is contained in:
mostang.com!davidm
parent
db59d4f98f
commit
89c97f37ee
1 changed files with 222 additions and 0 deletions
222
src/ia64/Ginit-ia64.c
Normal file
222
src/ia64/Ginit-ia64.c
Normal file
|
|
@ -0,0 +1,222 @@
|
||||||
|
/* 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. */
|
||||||
|
|
||||||
|
#include <endian.h>
|
||||||
|
#include <stdlib.h>
|
||||||
|
|
||||||
|
#include "rse.h"
|
||||||
|
#include "unwind_i.h"
|
||||||
|
|
||||||
|
#ifdef UNW_REMOTE_ONLY
|
||||||
|
|
||||||
|
/* unw_local_addr_space is a NULL pointer in this case. */
|
||||||
|
unw_addr_space_t unw_local_addr_space;
|
||||||
|
|
||||||
|
#else
|
||||||
|
|
||||||
|
static struct unw_addr_space local_addr_space;
|
||||||
|
|
||||||
|
unw_addr_space_t unw_local_addr_space = &local_addr_space;
|
||||||
|
|
||||||
|
static inline void *
|
||||||
|
uc_addr (ucontext_t *uc, int reg)
|
||||||
|
{
|
||||||
|
void *addr;
|
||||||
|
|
||||||
|
switch (reg)
|
||||||
|
{
|
||||||
|
case UNW_IA64_IP: addr = &uc->uc_mcontext.sc_br[0]; break;
|
||||||
|
case UNW_IA64_CFM: addr = &uc->uc_mcontext.sc_ar_pfs; break;
|
||||||
|
case UNW_IA64_AR_RNAT: addr = &uc->uc_mcontext.sc_ar_rnat; break;
|
||||||
|
case UNW_IA64_AR_UNAT: addr = &uc->uc_mcontext.sc_ar_unat; break;
|
||||||
|
case UNW_IA64_AR_LC: addr = &uc->uc_mcontext.sc_ar_lc; break;
|
||||||
|
case UNW_IA64_AR_FPSR: addr = &uc->uc_mcontext.sc_ar_fpsr; break;
|
||||||
|
case UNW_IA64_PR: addr = &uc->uc_mcontext.sc_pr; break;
|
||||||
|
case UNW_IA64_AR_BSP: addr = &uc->uc_mcontext.sc_rbs_base; break;
|
||||||
|
case UNW_IA64_AR_BSPSTORE: addr = &uc->uc_mcontext.sc_rbs_base; break;
|
||||||
|
|
||||||
|
case UNW_IA64_GR + 4 ... UNW_IA64_GR + 7:
|
||||||
|
case UNW_IA64_GR + 12:
|
||||||
|
addr = &uc->uc_mcontext.sc_gr[reg - UNW_IA64_GR];
|
||||||
|
break;
|
||||||
|
|
||||||
|
case UNW_IA64_BR + 1 ... UNW_IA64_BR + 5:
|
||||||
|
addr = &uc->uc_mcontext.sc_br[reg - UNW_IA64_BR];
|
||||||
|
break;
|
||||||
|
|
||||||
|
case UNW_IA64_FR+ 2 ... UNW_IA64_FR+ 5:
|
||||||
|
case UNW_IA64_FR+16 ... UNW_IA64_FR+31:
|
||||||
|
addr = &uc->uc_mcontext.sc_fr[reg - UNW_IA64_FR];
|
||||||
|
break;
|
||||||
|
|
||||||
|
default:
|
||||||
|
addr = NULL;
|
||||||
|
}
|
||||||
|
return addr;
|
||||||
|
}
|
||||||
|
|
||||||
|
# ifdef UNW_LOCAL_ONLY
|
||||||
|
|
||||||
|
void *
|
||||||
|
tdep_uc_addr (ucontext_t *uc, int reg)
|
||||||
|
{
|
||||||
|
return uc_addr (uc, reg);
|
||||||
|
}
|
||||||
|
|
||||||
|
# endif /* UNW_LOCAL_ONLY */
|
||||||
|
|
||||||
|
static void
|
||||||
|
put_unwind_info (unw_addr_space_t as, unw_proc_info_t *proc_info, void *arg)
|
||||||
|
{
|
||||||
|
/* it's a no-op */
|
||||||
|
}
|
||||||
|
|
||||||
|
static int
|
||||||
|
get_dyn_info_list_addr (unw_addr_space_t as, unw_word_t *dyn_info_list_addr,
|
||||||
|
void *arg)
|
||||||
|
{
|
||||||
|
*dyn_info_list_addr = (unw_word_t) &_U_dyn_info_list;
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int
|
||||||
|
access_mem (unw_addr_space_t as, unw_word_t addr, unw_word_t *val, int write,
|
||||||
|
void *arg)
|
||||||
|
{
|
||||||
|
if (write)
|
||||||
|
{
|
||||||
|
debug (100, "%s: mem[%lx] <- %lx\n", __FUNCTION__, addr, *val);
|
||||||
|
*(unw_word_t *) addr = *val;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
*val = *(unw_word_t *) addr;
|
||||||
|
debug (100, "%s: mem[%lx] -> %lx\n", __FUNCTION__, addr, *val);
|
||||||
|
}
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int
|
||||||
|
access_reg (unw_addr_space_t as, unw_regnum_t reg, unw_word_t *val, int write,
|
||||||
|
void *arg)
|
||||||
|
{
|
||||||
|
unw_word_t *addr, mask;
|
||||||
|
ucontext_t *uc = arg;
|
||||||
|
|
||||||
|
if (reg >= UNW_IA64_FR && reg < UNW_IA64_FR + 128)
|
||||||
|
goto badreg;
|
||||||
|
|
||||||
|
if (reg >= UNW_IA64_NAT + 4 && reg <= UNW_IA64_NAT + 7)
|
||||||
|
{
|
||||||
|
mask = ((unw_word_t) 1) << (reg - UNW_IA64_NAT);
|
||||||
|
if (write)
|
||||||
|
{
|
||||||
|
if (*val)
|
||||||
|
uc->uc_mcontext.sc_nat |= mask;
|
||||||
|
else
|
||||||
|
uc->uc_mcontext.sc_nat &= ~mask;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
*val = (uc->uc_mcontext.sc_nat & mask) != 0;
|
||||||
|
|
||||||
|
if (write)
|
||||||
|
debug (100, "%s: %s <- %lx\n", __FUNCTION__, unw_regname (reg), *val);
|
||||||
|
else
|
||||||
|
debug (100, "%s: %s -> %lx\n", __FUNCTION__, unw_regname (reg), *val);
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
addr = uc_addr (uc, reg);
|
||||||
|
if (!addr)
|
||||||
|
goto badreg;
|
||||||
|
|
||||||
|
if (write)
|
||||||
|
{
|
||||||
|
*(unw_word_t *) addr = *val;
|
||||||
|
debug (100, "%s: %s <- %lx\n", __FUNCTION__, unw_regname (reg), *val);
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
*val = *(unw_word_t *) addr;
|
||||||
|
debug (100, "%s: %s -> %lx\n", __FUNCTION__, unw_regname (reg), *val);
|
||||||
|
}
|
||||||
|
return 0;
|
||||||
|
|
||||||
|
badreg:
|
||||||
|
debug (1, "%s: bad register number %u\n", __FUNCTION__, reg);
|
||||||
|
return -UNW_EBADREG;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int
|
||||||
|
access_fpreg (unw_addr_space_t as, unw_regnum_t reg, unw_fpreg_t *val,
|
||||||
|
int write, void *arg)
|
||||||
|
{
|
||||||
|
ucontext_t *uc = arg;
|
||||||
|
unw_fpreg_t *addr;
|
||||||
|
|
||||||
|
if (reg < UNW_IA64_FR || reg >= UNW_IA64_FR + 128)
|
||||||
|
goto badreg;
|
||||||
|
|
||||||
|
addr = uc_addr (uc, reg);
|
||||||
|
if (!addr)
|
||||||
|
goto badreg;
|
||||||
|
|
||||||
|
if (write)
|
||||||
|
{
|
||||||
|
debug (100, "%s: %s <- %016lx.%016lx\n", __FUNCTION__,
|
||||||
|
unw_regname (reg), val->raw.bits[1], val->raw.bits[0]);
|
||||||
|
*(unw_fpreg_t *) addr = *val;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
*val = *(unw_fpreg_t *) addr;
|
||||||
|
debug (100, "%s: %s -> %016lx.%016lx\n", __FUNCTION__,
|
||||||
|
unw_regname (reg), val->raw.bits[1], val->raw.bits[0]);
|
||||||
|
}
|
||||||
|
return 0;
|
||||||
|
|
||||||
|
badreg:
|
||||||
|
debug (1, "%s: bad register number %u\n", __FUNCTION__, reg);
|
||||||
|
/* attempt to access a non-preserved register */
|
||||||
|
return -UNW_EBADREG;
|
||||||
|
}
|
||||||
|
|
||||||
|
HIDDEN void
|
||||||
|
ia64_local_addr_space_init (void)
|
||||||
|
{
|
||||||
|
memset (&local_addr_space, 0, sizeof (local_addr_space));
|
||||||
|
ia64_script_cache_init (&local_addr_space.global_cache);
|
||||||
|
local_addr_space.big_endian = (__BYTE_ORDER == __BIG_ENDIAN);
|
||||||
|
local_addr_space.caching_policy = UNW_CACHE_GLOBAL;
|
||||||
|
local_addr_space.acc.find_proc_info = UNW_ARCH_OBJ (find_proc_info);
|
||||||
|
local_addr_space.acc.put_unwind_info = put_unwind_info;
|
||||||
|
local_addr_space.acc.get_dyn_info_list_addr = get_dyn_info_list_addr;
|
||||||
|
local_addr_space.acc.access_mem = access_mem;
|
||||||
|
local_addr_space.acc.access_reg = access_reg;
|
||||||
|
local_addr_space.acc.access_fpreg = access_fpreg;
|
||||||
|
local_addr_space.acc.resume = ia64_local_resume;
|
||||||
|
}
|
||||||
|
|
||||||
|
#endif /* !UNW_REMOTE_ONLY */
|
||||||
Loading…
Reference in a new issue