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ARM: implement dwarf_to_unw_regnum() macro without table

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This commit is contained in:
Tommi Rantala 2012-08-07 23:46:55 +03:00
parent 6a5da54b8a
commit 1dc66bd181
2 changed files with 2 additions and 13 deletions
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4
include/tdep-arm/dwarf-config.h
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@ -1,5 +1,6 @@
/* libunwind - a platform-independent unwind library
Copyright (C) 2008 CodeSourcery
Copyright (C) 2012 Tommi Rantala <tt.rantala@gmail.com>
This file is part of libunwind.
@ -29,8 +30,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
explicitly defined. */
#define DWARF_NUM_PRESERVED_REGS 128
/* FIXME: Probably unnecessary on ARM. See arm/Gglobal.c. */
#define DWARF_REGNUM_MAP_LENGTH 16
#define dwarf_to_unw_regnum(reg) (((reg) < 16) ? (reg) : 0)
/* Return TRUE if the ADDR_SPACE uses big-endian byte-order. */
#define dwarf_is_big_endian(addr_space) 0

11
src/arm/Gglobal.c
View file

@ -31,17 +31,6 @@ HIDDEN int tdep_needs_initialization = 1;
/* Unwinding methods to use. See UNW_METHOD_ enums */
HIDDEN int unwi_unwind_method = UNW_ARM_METHOD_ALL;
/* FIXME: I'm pretty sure we don't need this at all for ARM, but "generic"
code (include/dwarf_i.h) seems to expect it to be here at present. */
HIDDEN uint8_t dwarf_to_unw_regnum_map[16] =
{
/* 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 */
UNW_ARM_R0, UNW_ARM_R1, UNW_ARM_R2, UNW_ARM_R3, UNW_ARM_R4, UNW_ARM_R5,
UNW_ARM_R6, UNW_ARM_R7, UNW_ARM_R8, UNW_ARM_R9, UNW_ARM_R10, UNW_ARM_R11,
UNW_ARM_R12, UNW_ARM_R13, UNW_ARM_R14, UNW_ARM_R15
};
HIDDEN void
tdep_init (void)
{