diff options
| author | Daniel Jacobowitz <drow@false.org> | 2007-10-02 15:17:44 +0000 |
|---|---|---|
| committer | Daniel Jacobowitz <drow@false.org> | 2007-10-02 15:17:44 +0000 |
| commit | 82e9138962ae424ea29a2a3f78513dee14cea510 (patch) | |
| tree | 8c9121a1b0262dbf385cc89226c38e693827328c /gdb | |
| parent | 471ba8c90c7a40273fabd5821b1a10125463f3fa (diff) | |
| download | gdb-82e9138962ae424ea29a2a3f78513dee14cea510.zip gdb-82e9138962ae424ea29a2a3f78513dee14cea510.tar.gz gdb-82e9138962ae424ea29a2a3f78513dee14cea510.tar.bz2 | |
* mips-tdep.c (mips_read_fp_register_double): Correct check for
odd FP registers.
(mips_print_fp_register): Correct check for even FP registers.
(mips_virtual_frame_pointer): New function.
(mips_gdbarch_init): Call set_gdbarch_virtual_frame_pointer.
Diffstat (limited to 'gdb')
| -rw-r--r-- | gdb/ChangeLog | 8 | ||||
| -rw-r--r-- | gdb/mips-tdep.c | 19 |
2 files changed, 25 insertions, 2 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index b6591ac..a14caef 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,11 @@ +2007-10-02 Daniel Jacobowitz <dan@codesourcery.com> + + * mips-tdep.c (mips_read_fp_register_double): Correct check for + odd FP registers. + (mips_print_fp_register): Correct check for even FP registers. + (mips_virtual_frame_pointer): New function. + (mips_gdbarch_init): Call set_gdbarch_virtual_frame_pointer. + 2007-09-30 Mike Frysinger <vapier@gentoo.org> * value.h (lookup_only_internalvar): New prototype. diff --git a/gdb/mips-tdep.c b/gdb/mips-tdep.c index 9e4d153..85b118b 100644 --- a/gdb/mips-tdep.c +++ b/gdb/mips-tdep.c @@ -4060,7 +4060,9 @@ mips_read_fp_register_double (struct frame_info *frame, int regno, } else { - if ((regno - mips_regnum (current_gdbarch)->fp0) & 1) + int rawnum = regno % gdbarch_num_regs (current_gdbarch); + + if ((rawnum - mips_regnum (current_gdbarch)->fp0) & 1) internal_error (__FILE__, __LINE__, _("mips_read_fp_register_double: bad access to " "odd-numbered FP register")); @@ -4114,7 +4116,7 @@ mips_print_fp_register (struct ui_file *file, struct frame_info *frame, else fprintf_filtered (file, "%-17.9g", flt1); - if (regnum % 2 == 0) + if ((regnum - gdbarch_num_regs (current_gdbarch)) % 2 == 0) { mips_read_fp_register_double (frame, regnum, raw_buffer); doub = unpack_double (mips_double_register_type (), raw_buffer, @@ -4928,6 +4930,18 @@ mips_integer_to_address (struct gdbarch *gdbarch, return (CORE_ADDR) extract_signed_integer (buf, TYPE_LENGTH (type)); } +/* Dummy virtual frame pointer method. This is no more or less accurate + than most other architectures; we just need to be explicit about it, + because the pseudo-register gdbarch_sp_regnum will otherwise lead to + an assertion failure. */ + +static void +mips_virtual_frame_pointer (CORE_ADDR pc, int *reg, LONGEST *offset) +{ + *reg = MIPS_SP_REGNUM; + *offset = 0; +} + static void mips_find_abi_section (bfd *abfd, asection *sect, void *obj) { @@ -5409,6 +5423,7 @@ mips_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) set_gdbarch_num_regs (gdbarch, num_regs); set_gdbarch_num_pseudo_regs (gdbarch, num_regs); set_gdbarch_register_name (gdbarch, mips_register_name); + set_gdbarch_virtual_frame_pointer (gdbarch, mips_virtual_frame_pointer); tdep->mips_processor_reg_names = reg_names; tdep->regnum = regnum; } |