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2004-01-17 Andrew Cagney <cagney@redhat.com>

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* mips-tdep.c (mips_write_pc): New function.
	(mips_gdbarch_init): Set "write_pc" to "mips_write_pc".
	(mips_read_pc): Use mips_regnum instead of PC_REGNUM.
	(mips_find_saved_regs, mips_software_single_step: Ditto.
	(mips_frame_saved_pc, mips_frame_saved_pc): Ditto.
	mips_init_extra_frame_info, mips_pop_frame): Ditto.
This commit is contained in:
Andrew Cagney 2004-01-17 16:40:42 +00:00
parent 6d82d43b23
commit b6cb9035d0
2 changed files with 28 additions and 10 deletions
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9
gdb/ChangeLog
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@ -1,3 +1,12 @@
2004-01-17 Andrew Cagney <cagney@redhat.com>
* mips-tdep.c (mips_write_pc): New function.
(mips_gdbarch_init): Set "write_pc" to "mips_write_pc".
(mips_read_pc): Use mips_regnum instead of PC_REGNUM.
(mips_find_saved_regs, mips_software_single_step: Ditto.
(mips_frame_saved_pc, mips_frame_saved_pc): Ditto.
mips_init_extra_frame_info, mips_pop_frame): Ditto.
2004-01-17 Andrew Cagney <cagney@redhat.com> 2004-01-17 Andrew Cagney <cagney@redhat.com>
* mips-tdep.c: Re-indent. Group functions by ABI. * mips-tdep.c: Re-indent. Group functions by ABI.

29
gdb/mips-tdep.c
View file

@ -807,7 +807,13 @@ pc_is_mips16 (bfd_vma memaddr)
static CORE_ADDR static CORE_ADDR
mips_read_pc (ptid_t ptid) mips_read_pc (ptid_t ptid)
{ {
return read_signed_register_pid (PC_REGNUM, ptid); return read_signed_register_pid (mips_regnum (current_gdbarch)->pc, ptid);
}
static void
mips_write_pc (CORE_ADDR pc, ptid_t ptid)
{
write_register_pid (mips_regnum (current_gdbarch)->pc, pc, ptid);
} }
/* This returns the PC of the first inst after the prologue. If we can't /* This returns the PC of the first inst after the prologue. If we can't
@ -1478,7 +1484,7 @@ mips_find_saved_regs (struct frame_info *fci)
reg_position); reg_position);
} }
set_reg_offset (saved_regs, PC_REGNUM, set_reg_offset (saved_regs, mips_regnum (current_gdbarch)->pc,
get_frame_base (fci) + SIGFRAME_PC_OFF); get_frame_base (fci) + SIGFRAME_PC_OFF);
/* SP_REGNUM, contains the value and not the address. */ /* SP_REGNUM, contains the value and not the address. */
set_reg_offset (saved_regs, SP_REGNUM, get_frame_base (fci)); set_reg_offset (saved_regs, SP_REGNUM, get_frame_base (fci));
@ -1636,7 +1642,8 @@ mips_find_saved_regs (struct frame_info *fci)
reg_position -= mips_saved_regsize (tdep); reg_position -= mips_saved_regsize (tdep);
} }
set_reg_offset (saved_regs, PC_REGNUM, saved_regs[RA_REGNUM]); set_reg_offset (saved_regs, mips_regnum (current_gdbarch)->pc,
saved_regs[RA_REGNUM]);
} }
/* SP_REGNUM, contains the value and not the address. */ /* SP_REGNUM, contains the value and not the address. */
@ -1710,7 +1717,7 @@ mips_software_single_step (enum target_signal sig, int insert_breakpoints_p)
if (insert_breakpoints_p) if (insert_breakpoints_p)
{ {
pc = read_register (PC_REGNUM); pc = read_register (mips_regnum (current_gdbarch)->pc);
next_pc = mips_next_pc (pc); next_pc = mips_next_pc (pc);
target_insert_breakpoint (next_pc, break_mem); target_insert_breakpoint (next_pc, break_mem);
@ -1742,7 +1749,7 @@ mips_frame_saved_pc (struct frame_info *frame)
if (DEPRECATED_PC_IN_CALL_DUMMY (get_frame_pc (frame), 0, 0)) if (DEPRECATED_PC_IN_CALL_DUMMY (get_frame_pc (frame), 0, 0))
{ {
/* Always unwind the cooked PC register value. */ /* Always unwind the cooked PC register value. */
saved_pc = frame_unwind_register_signed (frame, NUM_REGS + PC_REGNUM); saved_pc = frame_unwind_register_signed (frame, NUM_REGS + mips_regnum (current_gdbarch)->pc);
} }
else else
{ {
@ -1756,7 +1763,8 @@ mips_frame_saved_pc (struct frame_info *frame)
{ {
/* We have to get the saved pc from the sigcontext if it is /* We have to get the saved pc from the sigcontext if it is
a signal handler frame. */ a signal handler frame. */
int pcreg = (get_frame_type (frame) == SIGTRAMP_FRAME ? PC_REGNUM int pcreg = (get_frame_type (frame) == SIGTRAMP_FRAME
? mips_regnum (current_gdbarch)->pc
: proc_desc ? PROC_PC_REG (proc_desc) : RA_REGNUM); : proc_desc ? PROC_PC_REG (proc_desc) : RA_REGNUM);
saved_pc = read_next_frame_reg (frame, NUM_REGS + pcreg); saved_pc = read_next_frame_reg (frame, NUM_REGS + pcreg);
} }
@ -2590,7 +2598,7 @@ mips_init_extra_frame_info (int fromleaf, struct frame_info *fci)
may be found. */ may be found. */
set_reg_offset (temp_saved_regs, SP_REGNUM, set_reg_offset (temp_saved_regs, SP_REGNUM,
get_frame_base (fci)); get_frame_base (fci));
set_reg_offset (temp_saved_regs, PC_REGNUM, set_reg_offset (temp_saved_regs, mips_regnum (current_gdbarch)->pc,
temp_saved_regs[RA_REGNUM]); temp_saved_regs[RA_REGNUM]);
memcpy (deprecated_get_frame_saved_regs (fci), temp_saved_regs, memcpy (deprecated_get_frame_saved_regs (fci), temp_saved_regs,
SIZEOF_FRAME_SAVED_REGS); SIZEOF_FRAME_SAVED_REGS);
@ -4311,10 +4319,11 @@ mips_pop_frame (void)
} }
proc_desc = get_frame_extra_info (frame)->proc_desc; proc_desc = get_frame_extra_info (frame)->proc_desc;
write_register (PC_REGNUM, DEPRECATED_FRAME_SAVED_PC (frame)); write_register (mips_regnum (current_gdbarch)->pc,
DEPRECATED_FRAME_SAVED_PC (frame));
mips_find_saved_regs (frame); mips_find_saved_regs (frame);
for (regnum = 0; regnum < NUM_REGS; regnum++) for (regnum = 0; regnum < NUM_REGS; regnum++)
if (regnum != SP_REGNUM && regnum != PC_REGNUM if (regnum != SP_REGNUM && regnum != mips_regnum (current_gdbarch)->pc
&& deprecated_get_frame_saved_regs (frame)[regnum]) && deprecated_get_frame_saved_regs (frame)[regnum])
{ {
/* Floating point registers must not be sign extended, in case /* Floating point registers must not be sign extended, in case
@ -6014,7 +6023,7 @@ mips_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
as 32-bit programs by default. */ as 32-bit programs by default. */
set_gdbarch_read_pc (gdbarch, mips_read_pc); set_gdbarch_read_pc (gdbarch, mips_read_pc);
set_gdbarch_write_pc (gdbarch, generic_target_write_pc); set_gdbarch_write_pc (gdbarch, mips_write_pc);
set_gdbarch_deprecated_target_read_fp (gdbarch, mips_read_sp); /* Draft FRAME base. */ set_gdbarch_deprecated_target_read_fp (gdbarch, mips_read_sp); /* Draft FRAME base. */
set_gdbarch_read_sp (gdbarch, mips_read_sp); set_gdbarch_read_sp (gdbarch, mips_read_sp);