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2003-04-13 Andrew Cagney <cagney@redhat.com>

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* ppc-linux-tdep.c: Use get_frame_base, get_frame_pc,
	get_next_frame and get_frame_saved_regs.
This commit is contained in:
Andrew Cagney 2003-04-14 02:29:40 +00:00
parent fdab63a91c
commit adb616d7c2
2 changed files with 27 additions and 18 deletions
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5
gdb/ChangeLog
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@ -1,3 +1,8 @@
2003-04-13 Andrew Cagney <cagney@redhat.com>
* ppc-linux-tdep.c: Use get_frame_base, get_frame_pc,
get_next_frame and get_frame_saved_regs.
2003-04-13 Andrew Cagney <cagney@redhat.com>
* reggroups.c (default_register_reggroup_p): Use NUM_REGS instead

40
gdb/ppc-linux-tdep.c
View File

@ -347,14 +347,17 @@ ppc_linux_frame_saved_pc (struct frame_info *fi)
if ((get_frame_type (fi) == SIGTRAMP_FRAME))
{
CORE_ADDR regs_addr =
read_memory_integer (fi->frame + PPC_LINUX_REGS_PTR_OFFSET, 4);
read_memory_integer (get_frame_base (fi)
+ PPC_LINUX_REGS_PTR_OFFSET, 4);
/* return the NIP in the regs array */
return read_memory_integer (regs_addr + 4 * PPC_LINUX_PT_NIP, 4);
}
else if (fi->next && (get_frame_type (fi->next) == SIGTRAMP_FRAME))
else if (get_next_frame (fi)
&& (get_frame_type (get_next_frame (fi)) == SIGTRAMP_FRAME))
{
CORE_ADDR regs_addr =
read_memory_integer (fi->next->frame + PPC_LINUX_REGS_PTR_OFFSET, 4);
read_memory_integer (get_frame_base (get_next_frame (fi))
+ PPC_LINUX_REGS_PTR_OFFSET, 4);
/* return LNK in the regs array */
return read_memory_integer (regs_addr + 4 * PPC_LINUX_PT_LNK, 4);
}
@ -367,12 +370,12 @@ ppc_linux_init_extra_frame_info (int fromleaf, struct frame_info *fi)
{
rs6000_init_extra_frame_info (fromleaf, fi);
if (fi->next != 0)
if (get_next_frame (fi) != 0)
{
/* We're called from get_prev_frame_info; check to see if
this is a signal frame by looking to see if the pc points
at trampoline code */
if (ppc_linux_at_sigtramp_return_path (fi->pc))
if (ppc_linux_at_sigtramp_return_path (get_frame_pc (fi)))
deprecated_set_frame_type (fi, SIGTRAMP_FRAME);
else
/* FIXME: cagney/2002-11-10: Is this double bogus? What
@ -386,7 +389,7 @@ ppc_linux_frameless_function_invocation (struct frame_info *fi)
{
/* We'll find the wrong thing if we let
rs6000_frameless_function_invocation () search for a signal trampoline */
if (ppc_linux_at_sigtramp_return_path (fi->pc))
if (ppc_linux_at_sigtramp_return_path (get_frame_pc (fi)))
return 0;
else
return rs6000_frameless_function_invocation (fi);
@ -399,31 +402,32 @@ ppc_linux_frame_init_saved_regs (struct frame_info *fi)
{
CORE_ADDR regs_addr;
int i;
if (fi->saved_regs)
if (get_frame_saved_regs (fi))
return;
frame_saved_regs_zalloc (fi);
regs_addr =
read_memory_integer (fi->frame + PPC_LINUX_REGS_PTR_OFFSET, 4);
fi->saved_regs[PC_REGNUM] = regs_addr + 4 * PPC_LINUX_PT_NIP;
fi->saved_regs[gdbarch_tdep (current_gdbarch)->ppc_ps_regnum] =
read_memory_integer (get_frame_base (fi)
+ PPC_LINUX_REGS_PTR_OFFSET, 4);
get_frame_saved_regs (fi)[PC_REGNUM] = regs_addr + 4 * PPC_LINUX_PT_NIP;
get_frame_saved_regs (fi)[gdbarch_tdep (current_gdbarch)->ppc_ps_regnum] =
regs_addr + 4 * PPC_LINUX_PT_MSR;
fi->saved_regs[gdbarch_tdep (current_gdbarch)->ppc_cr_regnum] =
get_frame_saved_regs (fi)[gdbarch_tdep (current_gdbarch)->ppc_cr_regnum] =
regs_addr + 4 * PPC_LINUX_PT_CCR;
fi->saved_regs[gdbarch_tdep (current_gdbarch)->ppc_lr_regnum] =
get_frame_saved_regs (fi)[gdbarch_tdep (current_gdbarch)->ppc_lr_regnum] =
regs_addr + 4 * PPC_LINUX_PT_LNK;
fi->saved_regs[gdbarch_tdep (current_gdbarch)->ppc_ctr_regnum] =
get_frame_saved_regs (fi)[gdbarch_tdep (current_gdbarch)->ppc_ctr_regnum] =
regs_addr + 4 * PPC_LINUX_PT_CTR;
fi->saved_regs[gdbarch_tdep (current_gdbarch)->ppc_xer_regnum] =
get_frame_saved_regs (fi)[gdbarch_tdep (current_gdbarch)->ppc_xer_regnum] =
regs_addr + 4 * PPC_LINUX_PT_XER;
fi->saved_regs[gdbarch_tdep (current_gdbarch)->ppc_mq_regnum] =
get_frame_saved_regs (fi)[gdbarch_tdep (current_gdbarch)->ppc_mq_regnum] =
regs_addr + 4 * PPC_LINUX_PT_MQ;
for (i = 0; i < 32; i++)
fi->saved_regs[gdbarch_tdep (current_gdbarch)->ppc_gp0_regnum + i] =
get_frame_saved_regs (fi)[gdbarch_tdep (current_gdbarch)->ppc_gp0_regnum + i] =
regs_addr + 4 * PPC_LINUX_PT_R0 + 4 * i;
for (i = 0; i < 32; i++)
fi->saved_regs[FP0_REGNUM + i] = regs_addr + 4 * PPC_LINUX_PT_FPR0 + 8 * i;
get_frame_saved_regs (fi)[FP0_REGNUM + i] = regs_addr + 4 * PPC_LINUX_PT_FPR0 + 8 * i;
}
else
rs6000_frame_init_saved_regs (fi);
@ -434,7 +438,7 @@ ppc_linux_frame_chain (struct frame_info *thisframe)
{
/* Kernel properly constructs the frame chain for the handler */
if ((get_frame_type (thisframe) == SIGTRAMP_FRAME))
return read_memory_integer ((thisframe)->frame, 4);
return read_memory_integer (get_frame_base (thisframe), 4);
else
return rs6000_frame_chain (thisframe);
}