diff options
Diffstat (limited to 'gdb/spu-tdep.c')
| -rw-r--r-- | gdb/spu-tdep.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/gdb/spu-tdep.c b/gdb/spu-tdep.c index 0f23b0f..4fc3ca5 100644 --- a/gdb/spu-tdep.c +++ b/gdb/spu-tdep.c @@ -44,6 +44,8 @@ #include "observer.h" #include "infcall.h" #include "dwarf2.h" +#include "dwarf2-frame.h" +#include "ax.h" #include "exceptions.h" #include "spu-tdep.h" @@ -311,6 +313,51 @@ spu_pseudo_register_write (struct gdbarch *gdbarch, struct regcache *regcache, } } +static int +spu_ax_pseudo_register_collect (struct gdbarch *gdbarch, + struct agent_expr *ax, int regnum) +{ + switch (regnum) + { + case SPU_SP_REGNUM: + ax_reg_mask (ax, SPU_RAW_SP_REGNUM); + return 0; + + case SPU_FPSCR_REGNUM: + case SPU_SRR0_REGNUM: + case SPU_LSLR_REGNUM: + case SPU_DECR_REGNUM: + case SPU_DECR_STATUS_REGNUM: + return -1; + + default: + internal_error (__FILE__, __LINE__, _("invalid regnum")); + } +} + +static int +spu_ax_pseudo_register_push_stack (struct gdbarch *gdbarch, + struct agent_expr *ax, int regnum) +{ + switch (regnum) + { + case SPU_SP_REGNUM: + ax_reg (ax, SPU_RAW_SP_REGNUM); + return 0; + + case SPU_FPSCR_REGNUM: + case SPU_SRR0_REGNUM: + case SPU_LSLR_REGNUM: + case SPU_DECR_REGNUM: + case SPU_DECR_STATUS_REGNUM: + return -1; + + default: + internal_error (__FILE__, __LINE__, _("invalid regnum")); + } +} + + /* Value conversion -- access scalar values at the preferred slot. */ static struct value * @@ -352,6 +399,15 @@ spu_register_reggroup_p (struct gdbarch *gdbarch, int regnum, return default_register_reggroup_p (gdbarch, regnum, group); } +/* DWARF-2 register numbers. */ + +static int +spu_dwarf_reg_to_regnum (struct gdbarch *gdbarch, int reg) +{ + /* Use cooked instead of raw SP. */ + return (reg == SPU_RAW_SP_REGNUM)? SPU_SP_REGNUM : reg; +} + /* Address handling. */ @@ -2680,6 +2736,11 @@ spu_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) set_gdbarch_pseudo_register_write (gdbarch, spu_pseudo_register_write); set_gdbarch_value_from_register (gdbarch, spu_value_from_register); set_gdbarch_register_reggroup_p (gdbarch, spu_register_reggroup_p); + set_gdbarch_dwarf2_reg_to_regnum (gdbarch, spu_dwarf_reg_to_regnum); + set_gdbarch_ax_pseudo_register_collect + (gdbarch, spu_ax_pseudo_register_collect); + set_gdbarch_ax_pseudo_register_push_stack + (gdbarch, spu_ax_pseudo_register_push_stack); /* Data types. */ set_gdbarch_char_signed (gdbarch, 0); @@ -2718,6 +2779,7 @@ spu_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) /* Frame handling. */ set_gdbarch_inner_than (gdbarch, core_addr_lessthan); + dwarf2_append_unwinders (gdbarch); frame_unwind_append_unwinder (gdbarch, &spu_frame_unwind); frame_base_set_default (gdbarch, &spu_frame_base); set_gdbarch_unwind_pc (gdbarch, spu_unwind_pc); |