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[patch] restore skip_prologue comments
- From: Thiago Jung Bauermann <bauerman at br dot ibm dot com>
- To: GDB Patches <gdb-patches at sourceware dot org>
- Date: Sun, 23 Sep 2007 18:59:27 -0300
- Subject: [patch] restore skip_prologue comments
Hi,
For some reason, the comment explaining skip_prologue in rs6000-tdep.c
was separated from the function. This patch restores it to its due
place.
--
[]'s
Thiago Jung Bauermann
Software Engineer
IBM Linux Technology Center
2007-09-23 Thiago Jung Bauermann <bauerman@br.ibm.com>
* rs6000-tdep.c (skip_prologue): Restore comment with
function description to its proper place.
Index: src-git/gdb/rs6000-tdep.c
===================================================================
--- src-git.orig/gdb/rs6000-tdep.c 2007-09-12 23:33:14.000000000 -0300
+++ src-git/gdb/rs6000-tdep.c 2007-09-12 23:34:14.000000000 -0300
@@ -943,29 +943,6 @@ rs6000_software_single_step (struct fram
}
-/* return pc value after skipping a function prologue and also return
- information about a function frame.
-
- in struct rs6000_framedata fdata:
- - frameless is TRUE, if function does not have a frame.
- - nosavedpc is TRUE, if function does not save %pc value in its frame.
- - offset is the initial size of this stack frame --- the amount by
- which we decrement the sp to allocate the frame.
- - saved_gpr is the number of the first saved gpr.
- - saved_fpr is the number of the first saved fpr.
- - saved_vr is the number of the first saved vr.
- - saved_ev is the number of the first saved ev.
- - alloca_reg is the number of the register used for alloca() handling.
- Otherwise -1.
- - gpr_offset is the offset of the first saved gpr from the previous frame.
- - fpr_offset is the offset of the first saved fpr from the previous frame.
- - vr_offset is the offset of the first saved vr from the previous frame.
- - ev_offset is the offset of the first saved ev from the previous frame.
- - lr_offset is the offset of the saved lr
- - cr_offset is the offset of the saved cr
- - vrsave_offset is the offset of the saved vrsave register
- */
-
#define SIGNED_SHORT(x) \
((sizeof (short) == 2) \
? ((int)(short)(x)) \
@@ -1077,6 +1054,29 @@ bl_to_blrl_insn_p (CORE_ADDR pc, int ins
return 0;
}
+/* return pc value after skipping a function prologue and also return
+ information about a function frame.
+
+ in struct rs6000_framedata fdata:
+ - frameless is TRUE, if function does not have a frame.
+ - nosavedpc is TRUE, if function does not save %pc value in its frame.
+ - offset is the initial size of this stack frame --- the amount by
+ which we decrement the sp to allocate the frame.
+ - saved_gpr is the number of the first saved gpr.
+ - saved_fpr is the number of the first saved fpr.
+ - saved_vr is the number of the first saved vr.
+ - saved_ev is the number of the first saved ev.
+ - alloca_reg is the number of the register used for alloca() handling.
+ Otherwise -1.
+ - gpr_offset is the offset of the first saved gpr from the previous frame.
+ - fpr_offset is the offset of the first saved fpr from the previous frame.
+ - vr_offset is the offset of the first saved vr from the previous frame.
+ - ev_offset is the offset of the first saved ev from the previous frame.
+ - lr_offset is the offset of the saved lr
+ - cr_offset is the offset of the saved cr
+ - vrsave_offset is the offset of the saved vrsave register
+ */
+
static CORE_ADDR
skip_prologue (CORE_ADDR pc, CORE_ADDR lim_pc, struct rs6000_framedata *fdata)
{