diff options
Diffstat (limited to 'gdb/mips-tdep.c')
| -rw-r--r-- | gdb/mips-tdep.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/gdb/mips-tdep.c b/gdb/mips-tdep.c index 650998b..3570a5c 100644 --- a/gdb/mips-tdep.c +++ b/gdb/mips-tdep.c @@ -1259,7 +1259,7 @@ mips_next_pc (CORE_ADDR pc) /* Guaranteed to set fci->saved_regs to some values (it never leaves it NULL). */ -void +static void mips_find_saved_regs (struct frame_info *fci) { int ireg; @@ -1437,6 +1437,23 @@ mips_find_saved_regs (struct frame_info *fci) fci->saved_regs[PC_REGNUM] = fci->saved_regs[RA_REGNUM]; } +/* Set up the 'saved_regs' array. This is a data structure containing + the addresses on the stack where each register has been saved, for + each stack frame. Registers that have not been saved will have + zero here. The stack pointer register is special: rather than the + address where the stack register has been saved, saved_regs[SP_REGNUM] + will have the actual value of the previous frame's stack register. */ + +static void +mips_frame_init_saved_regs (struct frame_info *frame) +{ + if (frame->saved_regs == NULL) + { + mips_find_saved_regs (frame); + } + frame->saved_regs[SP_REGNUM] = frame->frame; +} + static CORE_ADDR read_next_frame_reg (struct frame_info *fi, int regno) { @@ -4715,6 +4732,7 @@ mips_gdbarch_init (struct gdbarch_info info, /* Initialize a frame */ set_gdbarch_init_extra_frame_info (gdbarch, mips_init_extra_frame_info); + set_gdbarch_frame_init_saved_regs (gdbarch, mips_frame_init_saved_regs); /* MIPS version of CALL_DUMMY */ |