/* Target-dependent code for FreeBSD/aarch64.
- Copyright (C) 2017-2018 Free Software Foundation, Inc.
+ Copyright (C) 2017-2019 Free Software Foundation, Inc.
This file is part of GDB.
#include "tramp-frame.h"
#include "trad-frame.h"
+/* Register maps. */
+
+static const struct regcache_map_entry aarch64_fbsd_gregmap[] =
+ {
+ { 30, AARCH64_X0_REGNUM, 8 }, /* x0 ... x29 */
+ { 1, AARCH64_LR_REGNUM, 8 },
+ { 1, AARCH64_SP_REGNUM, 8 },
+ { 1, AARCH64_PC_REGNUM, 8 },
+ { 1, AARCH64_CPSR_REGNUM, 4 },
+ { 0 }
+ };
+
+static const struct regcache_map_entry aarch64_fbsd_fpregmap[] =
+ {
+ { 32, AARCH64_V0_REGNUM, 16 }, /* v0 ... v31 */
+ { 1, AARCH64_FPSR_REGNUM, 4 },
+ { 1, AARCH64_FPCR_REGNUM, 4 },
+ { 0 }
+ };
+
/* In a signal frame, sp points to a 'struct sigframe' which is
defined as:
by the floating point register set. The floating point register
set is only valid if the _MC_FP_VALID flag is set in mc_flags. */
-#define AARCH64_MCONTEXT_REG_SIZE 8
-#define AARCH64_MCONTEXT_FPREG_SIZE 16
#define AARCH64_SIGFRAME_UCONTEXT_OFFSET 80
#define AARCH64_UCONTEXT_MCONTEXT_OFFSET 16
#define AARCH64_MCONTEXT_FPREGS_OFFSET 272
struct gdbarch *gdbarch = get_frame_arch (this_frame);
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
CORE_ADDR sp = get_frame_register_unsigned (this_frame, AARCH64_SP_REGNUM);
- CORE_ADDR mcontext_addr =
- sp
- + AARCH64_SIGFRAME_UCONTEXT_OFFSET
- + AARCH64_UCONTEXT_MCONTEXT_OFFSET;
+ CORE_ADDR mcontext_addr
+ = (sp
+ + AARCH64_SIGFRAME_UCONTEXT_OFFSET
+ + AARCH64_UCONTEXT_MCONTEXT_OFFSET);
gdb_byte buf[4];
- int i;
-
- for (i = 0; i < 30; i++)
- {
- trad_frame_set_reg_addr (this_cache,
- AARCH64_X0_REGNUM + i,
- mcontext_addr + i * AARCH64_MCONTEXT_REG_SIZE);
- }
- trad_frame_set_reg_addr (this_cache, AARCH64_LR_REGNUM,
- mcontext_addr + 30 * AARCH64_MCONTEXT_REG_SIZE);
- trad_frame_set_reg_addr (this_cache, AARCH64_SP_REGNUM,
- mcontext_addr + 31 * AARCH64_MCONTEXT_REG_SIZE);
- trad_frame_set_reg_addr (this_cache, AARCH64_PC_REGNUM,
- mcontext_addr + 32 * AARCH64_MCONTEXT_REG_SIZE);
- trad_frame_set_reg_addr (this_cache, AARCH64_CPSR_REGNUM,
- mcontext_addr + 33 * AARCH64_MCONTEXT_REG_SIZE);
+
+ trad_frame_set_reg_regmap (this_cache, aarch64_fbsd_gregmap, mcontext_addr,
+ regcache_map_entry_size (aarch64_fbsd_gregmap));
if (target_read_memory (mcontext_addr + AARCH64_MCONTEXT_FLAGS_OFFSET, buf,
4) == 0
&& (extract_unsigned_integer (buf, 4, byte_order)
& AARCH64_MCONTEXT_FLAG_FP_VALID))
- {
- for (i = 0; i < 32; i++)
- {
- trad_frame_set_reg_addr (this_cache, AARCH64_V0_REGNUM + i,
- mcontext_addr
- + AARCH64_MCONTEXT_FPREGS_OFFSET
- + i * AARCH64_MCONTEXT_FPREG_SIZE);
- }
- trad_frame_set_reg_addr (this_cache, AARCH64_FPSR_REGNUM,
- mcontext_addr + AARCH64_MCONTEXT_FPREGS_OFFSET
- + 32 * AARCH64_MCONTEXT_FPREG_SIZE);
- trad_frame_set_reg_addr (this_cache, AARCH64_FPCR_REGNUM,
- mcontext_addr + AARCH64_MCONTEXT_FPREGS_OFFSET
- + 32 * AARCH64_MCONTEXT_FPREG_SIZE + 4);
- }
+ trad_frame_set_reg_regmap (this_cache, aarch64_fbsd_fpregmap,
+ mcontext_addr + AARCH64_MCONTEXT_FPREGS_OFFSET,
+ regcache_map_entry_size (aarch64_fbsd_fpregmap));
trad_frame_set_id (this_cache, frame_id_build (sp, func));
}
aarch64_fbsd_sigframe_init
};
-/* Register maps. */
-
-static const struct regcache_map_entry aarch64_fbsd_gregmap[] =
- {
- { 30, AARCH64_X0_REGNUM, 8 }, /* x0 ... x29 */
- { 1, AARCH64_LR_REGNUM, 8 },
- { 1, AARCH64_SP_REGNUM, 8 },
- { 1, AARCH64_PC_REGNUM, 8 },
- { 1, AARCH64_CPSR_REGNUM, 4 },
- { 0 }
- };
-
-static const struct regcache_map_entry aarch64_fbsd_fpregmap[] =
- {
- { 32, AARCH64_V0_REGNUM, 16 }, /* v0 ... v31 */
- { 1, AARCH64_FPSR_REGNUM, 4 },
- { 1, AARCH64_FPCR_REGNUM, 4 },
- { 0 }
- };
-
/* Register set definitions. */
const struct regset aarch64_fbsd_gregset =