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Issue warning for platforms using ttrace() instead of ptrace() (HP-UX

Browse source 
is the only platform that does that).

(Logical change 1.63)
This commit is contained in:
mostang.com!davidm 2003-03-19 19:25:18 +00:00
parent 6df7b107a4
commit 0456a08cb8
3 changed files with 54 additions and 0 deletions
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8
src/_UPT_access_fpreg.c
View file

@ -41,16 +41,24 @@ _UPT_access_fpreg (unw_addr_space_t as, unw_regnum_t reg, unw_fpreg_t *val,
if (write)
for (i = 0; i < (int) (sizeof (*val) / sizeof (wp[i])); ++i)
{
#ifdef HAVE_TTRACE
# warning No support for ttrace() yet.
#else
ptrace (PTRACE_POKEUSER, pid, _UPT_reg_offset[reg] + i * sizeof(wp[i]),
wp[i]);
#endif
if (errno)
return -UNW_EBADREG;
}
else
for (i = 0; i < (int) (sizeof (*val) / sizeof (wp[i])); ++i)
{
#ifdef HAVE_TTRACE
# warning No support for ttrace() yet.
#else
wp[i] = ptrace (PTRACE_PEEKUSER, pid,
_UPT_reg_offset[reg] + i * sizeof(wp[i]), 0);
#endif
if (errno)
return -UNW_EBADREG;
}

8
src/_UPT_access_mem.c
View file

@ -36,15 +36,23 @@ _UPT_access_mem (unw_addr_space_t as, unw_word_t addr, unw_word_t *val,
if (write)
{
debug (100, "%s: mem[%lx] <- %lx\n", __FUNCTION__, addr, *val);
#ifdef HAVE_TTRACE
# warning No support for ttrace() yet.
#else
ptrace (PTRACE_POKEDATA, pid, addr, *val);
if (errno)
return -UNW_EINVAL;
#endif
}
else
{
#ifdef HAVE_TTRACE
# warning No support for ttrace() yet.
#else
*val = ptrace (PTRACE_PEEKDATA, pid, addr, 0);
if (errno)
return -UNW_EINVAL;
#endif
debug (100, "%s: mem[%lx] -> %lx\n", __FUNCTION__, addr, *val);
}
return 0;

38
src/_UPT_resume.c
View file

@ -0,0 +1,38 @@
/* libunwind - a platform-independent unwind library
Copyright (C) 2003 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 "_UPT_internal.h"
int
_UPT_resume (unw_addr_space_t as, unw_cursor_t *c, void *arg)
{
struct UPT_info *ui = arg;
#ifdef HAVE_TTRACE
# warning No support for ttrace() yet.
#else
return ptrace (PTRACE_CONT, ui->pid, 0, 0);
#endif
}