diff options
Diffstat (limited to 'gdb/gdbarch.c')
| -rw-r--r-- | gdb/gdbarch.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/gdb/gdbarch.c b/gdb/gdbarch.c index be5cccf9e29..21645d9c866 100644 --- a/gdb/gdbarch.c +++ b/gdb/gdbarch.c @@ -150,6 +150,7 @@ struct gdbarch gdbarch_write_fp_ftype *write_fp; gdbarch_read_sp_ftype *read_sp; gdbarch_write_sp_ftype *write_sp; + gdbarch_virtual_frame_pointer_ftype *virtual_frame_pointer; gdbarch_register_read_ftype *register_read; gdbarch_register_write_ftype *register_write; int num_regs; @@ -331,6 +332,7 @@ struct gdbarch startup_gdbarch = 0, 0, 0, + 0, generic_get_saved_register, 0, 0, @@ -429,6 +431,7 @@ gdbarch_alloc (const struct gdbarch_info *info, gdbarch->write_fp = generic_target_write_fp; gdbarch->read_sp = generic_target_read_sp; gdbarch->write_sp = generic_target_write_sp; + gdbarch->virtual_frame_pointer = legacy_virtual_frame_pointer; gdbarch->num_regs = -1; gdbarch->sp_regnum = -1; gdbarch->fp_regnum = -1; @@ -534,6 +537,7 @@ verify_gdbarch (struct gdbarch *gdbarch) /* Skip verify of write_fp, invalid_p == 0 */ /* Skip verify of read_sp, invalid_p == 0 */ /* Skip verify of write_sp, invalid_p == 0 */ + /* Skip verify of virtual_frame_pointer, invalid_p == 0 */ /* Skip verify of register_read, has predicate */ /* Skip verify of register_write, has predicate */ if ((GDB_MULTI_ARCH >= 2) @@ -894,6 +898,13 @@ gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file) "TARGET_WRITE_SP(val)", XSTRING (TARGET_WRITE_SP (val))); #endif +#if defined (TARGET_VIRTUAL_FRAME_POINTER) && GDB_MULTI_ARCH + /* Macro might contain `[{}]' when not multi-arch */ + fprintf_unfiltered (file, + "gdbarch_dump: %s # %s\n", + "TARGET_VIRTUAL_FRAME_POINTER(pc, frame_regnum, frame_offset)", + XSTRING (TARGET_VIRTUAL_FRAME_POINTER (pc, frame_regnum, frame_offset))); +#endif #ifdef NUM_REGS fprintf_unfiltered (file, "gdbarch_dump: NUM_REGS # %s\n", @@ -1565,6 +1576,13 @@ gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file) (long) current_gdbarch->write_sp /*TARGET_WRITE_SP ()*/); #endif +#ifdef TARGET_VIRTUAL_FRAME_POINTER + if (GDB_MULTI_ARCH) + fprintf_unfiltered (file, + "gdbarch_dump: TARGET_VIRTUAL_FRAME_POINTER = 0x%08lx\n", + (long) current_gdbarch->virtual_frame_pointer + /*TARGET_VIRTUAL_FRAME_POINTER ()*/); +#endif if (GDB_MULTI_ARCH) fprintf_unfiltered (file, "gdbarch_dump: register_read = 0x%08lx\n", @@ -2497,6 +2515,24 @@ set_gdbarch_write_sp (struct gdbarch *gdbarch, gdbarch->write_sp = write_sp; } +void +gdbarch_virtual_frame_pointer (struct gdbarch *gdbarch, CORE_ADDR pc, int *frame_regnum, LONGEST *frame_offset) +{ + if (gdbarch->virtual_frame_pointer == 0) + internal_error (__FILE__, __LINE__, + "gdbarch: gdbarch_virtual_frame_pointer invalid"); + if (gdbarch_debug >= 2) + fprintf_unfiltered (gdb_stdlog, "gdbarch_virtual_frame_pointer called\n"); + gdbarch->virtual_frame_pointer (pc, frame_regnum, frame_offset); +} + +void +set_gdbarch_virtual_frame_pointer (struct gdbarch *gdbarch, + gdbarch_virtual_frame_pointer_ftype virtual_frame_pointer) +{ + gdbarch->virtual_frame_pointer = virtual_frame_pointer; +} + int gdbarch_register_read_p (struct gdbarch *gdbarch) { |