mirror of
https://github.com/tobast/libunwind-eh_elf.git
synced 2024-11-17 13:47:37 +01:00
a8be10e251
* Use explicit types for XMM registers * Support full width (128 bits) access Signed-off-by: Andrew Cagney <cagney@redhat.com> Signed-off-by: Arun Sharma <aruns@google.com>
133 lines
3.8 KiB
C
133 lines
3.8 KiB
C
/* libunwind - a platform-independent unwind library
|
|
Copyright (C) 2004 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 "unwind_i.h"
|
|
|
|
PROTECTED int
|
|
unw_get_save_loc (unw_cursor_t *cursor, int reg, unw_save_loc_t *sloc)
|
|
{
|
|
struct cursor *c = (struct cursor *) cursor;
|
|
dwarf_loc_t loc;
|
|
|
|
loc = DWARF_NULL_LOC; /* default to "not saved" */
|
|
|
|
switch (reg)
|
|
{
|
|
case UNW_X86_EIP: loc = c->dwarf.loc[EIP]; break;
|
|
case UNW_X86_CFA: break;
|
|
case UNW_X86_EAX: loc = c->dwarf.loc[EAX]; break;
|
|
case UNW_X86_ECX: loc = c->dwarf.loc[ECX]; break;
|
|
case UNW_X86_EDX: loc = c->dwarf.loc[EDX]; break;
|
|
case UNW_X86_EBX: loc = c->dwarf.loc[EBX]; break;
|
|
case UNW_X86_ESP: loc = c->dwarf.loc[ESP]; break;
|
|
case UNW_X86_EBP: loc = c->dwarf.loc[EBP]; break;
|
|
case UNW_X86_ESI: loc = c->dwarf.loc[ESI]; break;
|
|
case UNW_X86_EDI: loc = c->dwarf.loc[EDI]; break;
|
|
case UNW_X86_EFLAGS: loc = c->dwarf.loc[EFLAGS]; break;
|
|
case UNW_X86_TRAPNO: loc = c->dwarf.loc[TRAPNO]; break;
|
|
case UNW_X86_ST0: loc = c->dwarf.loc[ST0]; break;
|
|
|
|
case UNW_X86_FCW:
|
|
case UNW_X86_FSW:
|
|
case UNW_X86_FTW:
|
|
case UNW_X86_FOP:
|
|
case UNW_X86_FCS:
|
|
case UNW_X86_FIP:
|
|
case UNW_X86_FEA:
|
|
case UNW_X86_FDS:
|
|
case UNW_X86_MXCSR:
|
|
case UNW_X86_GS:
|
|
case UNW_X86_FS:
|
|
case UNW_X86_ES:
|
|
case UNW_X86_DS:
|
|
case UNW_X86_SS:
|
|
case UNW_X86_CS:
|
|
case UNW_X86_TSS:
|
|
case UNW_X86_LDT:
|
|
loc = x86_scratch_loc (c, reg);
|
|
break;
|
|
|
|
/* stacked fp registers */
|
|
case UNW_X86_ST1:
|
|
case UNW_X86_ST2:
|
|
case UNW_X86_ST3:
|
|
case UNW_X86_ST4:
|
|
case UNW_X86_ST5:
|
|
case UNW_X86_ST6:
|
|
case UNW_X86_ST7:
|
|
/* SSE fp registers */
|
|
case UNW_X86_XMM0_lo:
|
|
case UNW_X86_XMM0_hi:
|
|
case UNW_X86_XMM1_lo:
|
|
case UNW_X86_XMM1_hi:
|
|
case UNW_X86_XMM2_lo:
|
|
case UNW_X86_XMM2_hi:
|
|
case UNW_X86_XMM3_lo:
|
|
case UNW_X86_XMM3_hi:
|
|
case UNW_X86_XMM4_lo:
|
|
case UNW_X86_XMM4_hi:
|
|
case UNW_X86_XMM5_lo:
|
|
case UNW_X86_XMM5_hi:
|
|
case UNW_X86_XMM6_lo:
|
|
case UNW_X86_XMM6_hi:
|
|
case UNW_X86_XMM7_lo:
|
|
case UNW_X86_XMM7_hi:
|
|
case UNW_X86_XMM0:
|
|
case UNW_X86_XMM1:
|
|
case UNW_X86_XMM2:
|
|
case UNW_X86_XMM3:
|
|
case UNW_X86_XMM4:
|
|
case UNW_X86_XMM5:
|
|
case UNW_X86_XMM6:
|
|
case UNW_X86_XMM7:
|
|
loc = x86_scratch_loc (c, reg);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
memset (sloc, 0, sizeof (sloc));
|
|
|
|
if (DWARF_IS_NULL_LOC (loc))
|
|
{
|
|
sloc->type = UNW_SLT_NONE;
|
|
return 0;
|
|
}
|
|
|
|
#if !defined(UNW_LOCAL_ONLY)
|
|
if (DWARF_IS_REG_LOC (loc))
|
|
{
|
|
sloc->type = UNW_SLT_REG;
|
|
sloc->u.regnum = DWARF_GET_LOC (loc);
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
sloc->type = UNW_SLT_MEMORY;
|
|
sloc->u.addr = DWARF_GET_LOC (loc);
|
|
}
|
|
return 0;
|
|
}
|