diff options
Diffstat (limited to 'gdb/arm-tdep.c')
| -rw-r--r-- | gdb/arm-tdep.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/gdb/arm-tdep.c b/gdb/arm-tdep.c index 1ce0a5b..f4b84fa 100644 --- a/gdb/arm-tdep.c +++ b/gdb/arm-tdep.c @@ -36,11 +36,14 @@ #include "solib-svr4.h" #include "arm-tdep.h" +#include "gdb/sim-arm.h" #include "elf-bfd.h" #include "coff/internal.h" #include "elf/arm.h" +#include "gdb_assert.h" + /* Each OS has a different mechanism for accessing the various registers stored in the sigcontext structure. @@ -1636,6 +1639,27 @@ arm_register_virtual_size (int regnum) return STATUS_REGISTER_SIZE; } +/* Map GDB internal REGNUM onto the Arm simulator register numbers. */ +static int +arm_register_sim_regno (int regnum) +{ + int reg = regnum; + gdb_assert (reg >= 0 && reg < NUM_REGS); + + if (reg < NUM_GREGS) + return SIM_ARM_R0_REGNUM + reg; + reg -= NUM_GREGS; + + if (reg < NUM_FREGS) + return SIM_ARM_FP0_REGNUM + reg; + reg -= NUM_FREGS; + + if (reg < NUM_SREGS) + return SIM_ARM_FPS_REGNUM + reg; + reg -= NUM_SREGS; + + internal_error (__FILE__, __LINE__, "Bad REGNUM %d", regnum); +} /* NOTE: cagney/2001-08-20: Both convert_from_extended() and convert_to_extended() use floatformat_arm_ext_littlebyte_bigword. @@ -2870,6 +2894,9 @@ arm_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) set_gdbarch_max_register_virtual_size (gdbarch, FP_REGISTER_VIRTUAL_SIZE); set_gdbarch_register_virtual_type (gdbarch, arm_register_type); + /* Internal <-> external register number maps. */ + set_gdbarch_register_sim_regno (gdbarch, arm_register_sim_regno); + /* Integer registers are 4 bytes. */ set_gdbarch_register_size (gdbarch, 4); set_gdbarch_register_name (gdbarch, arm_register_name); |