Use bool in pv_area

This updates a couple of member functions in pv_area to return bool.

gdb/ChangeLog
2017-10-12  Tom Tromey  <tom@tromey.com>

	* prologue-value.h (pv_area::store_would_trash): Return bool.
	(pv_area::find_reg): Likewise.
	* prologue-value.c (pv_area::store_would_trash): Return bool.
	(pv_area::find_reg): Likewise.

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 31a9a26..65a3265 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,12 @@
 2017-10-12  Tom Tromey  <tom@tromey.com>
 
+       * prologue-value.h (pv_area::store_would_trash): Return bool.
+       (pv_area::find_reg): Likewise.
+       * prologue-value.c (pv_area::store_would_trash): Return bool.
+       (pv_area::find_reg): Likewise.
+
+2017-10-12  Tom Tromey  <tom@tromey.com>
+
        * s390-linux-tdep.c (s390_store, s390_load)
        (s390_check_for_saved, s390_analyze_prologue): Update.
        * rx-tdep.c (check_for_saved, rx_analyze_prologue): Update.

diff --git a/gdb/prologue-value.c b/gdb/prologue-value.c
index c602fe1..bec8422 100644 (file)
--- a/gdb/prologue-value.c
+++ b/gdb/prologue-value.c
@@ -341,7 +341,7 @@ pv_area::~pv_area ()
 
 /* See prologue-value.h.  */
 
-int
+bool
 pv_area::store_would_trash (pv_t addr)
 {
   /* It may seem odd that pvk_constant appears here --- after all,
@@ -492,7 +492,7 @@ pv_area::fetch (pv_t addr, CORE_ADDR size)
 
 /* See prologue-value.h.  */
 
-int
+bool
 pv_area::find_reg (struct gdbarch *gdbarch, int reg, CORE_ADDR *offset_p)
 {
   struct area_entry *e = m_entry;
@@ -507,14 +507,14 @@ pv_area::find_reg (struct gdbarch *gdbarch, int reg, CORE_ADDR *offset_p)
           {
             if (offset_p)
               *offset_p = e->offset;
-            return 1;
+            return true;
           }
 
         e = e->next;
       }
     while (e != m_entry);
 
-  return 0;
+  return false;
 }
 
 

diff --git a/gdb/prologue-value.h b/gdb/prologue-value.h
index e3004aa..c6fd34b 100644 (file)
--- a/gdb/prologue-value.h
+++ b/gdb/prologue-value.h
@@ -269,7 +269,7 @@ public:
      prologue analysis, and return the information you've gathered,
      instead of losing all that information, most of which is probably
      okay.  */
-  int store_would_trash (pv_t addr);
+  bool store_would_trash (pv_t addr);
 
   /* Search AREA for the original value of REGISTER.  If we can't find
      it, return zero; if we can find it, return a non-zero value, and if
@@ -280,7 +280,7 @@ public:
      items stored in AREA.  If you plan to gather a lot of information
      about registers saved in AREA, consider calling pv_area::scan
      instead, and collecting all your information in one pass.  */
-  int find_reg (struct gdbarch *gdbarch, int reg, CORE_ADDR *offset_p);
+  bool find_reg (struct gdbarch *gdbarch, int reg, CORE_ADDR *offset_p);
 
 
   /* For every part of AREA whose value we know, apply FUNC to CLOSURE,