From 982a448ead1e76d1891ff3bd1ddc7e365a0846dc Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sat, 25 Feb 2017 02:59:47 +0000
Subject: .gdbinit: rp_bignum

* .gdbinit (rp_bignum): print bignum from higher digits.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57711 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 .gdbinit | 59 ++++++++++++++++++++++++++++++++++++++++++++++-------------
 1 file changed, 46 insertions(+), 13 deletions(-)

diff --git a/.gdbinit b/.gdbinit
index 09013ab53c..6e67341a2f 100644
--- a/.gdbinit
+++ b/.gdbinit
@@ -168,19 +168,7 @@ define rp
               ((struct RStruct *)($arg0))->as.heap.ptr) @ $len
   else
   if ($flags & RUBY_T_MASK) == RUBY_T_BIGNUM
-    set $len = (($flags & RUBY_FL_USER2) ? \
-       ($flags & (RUBY_FL_USER5|RUBY_FL_USER4|RUBY_FL_USER3)) >> (RUBY_FL_USHIFT+3) : \
-       ((struct RBignum*)($arg0))->as.heap.len)
-    printf "%sT_BIGNUM%s: sign=%d len=%ld ", $color_type, $color_end, \
-      (($flags & RUBY_FL_USER1) != 0), $len
-    if $flags & RUBY_FL_USER2
-      printf "(embed) "
-    end
-    print (struct RBignum *)($arg0)
-    output/x *(($flags & RUBY_FL_USER2) ? \
-              ((struct RBignum*)($arg0))->as.ary : \
-              ((struct RBignum*)($arg0))->as.heap.digits) @ $len
-    printf "\n"
+    rp_bignum $arg0
   else
   if ($flags & RUBY_T_MASK) == RUBY_T_RATIONAL
     printf "%sT_RATIONAL%s: ", $color_type, $color_end
@@ -488,6 +476,51 @@ document rp_string
   Print the content of a String.
 end
 
+define rp_bignum
+  set $flags = ((struct RBignum*)($arg0))->basic.flags
+  set $len = (($flags & RUBY_FL_USER2) ? \
+       ($flags & (RUBY_FL_USER5|RUBY_FL_USER4|RUBY_FL_USER3)) >> (RUBY_FL_USHIFT+3) : \
+       ((struct RBignum*)($arg0))->as.heap.len)
+  printf "%sT_BIGNUM%s: sign=%d len=%ld ", $color_type, $color_end, \
+         (($flags & RUBY_FL_USER1) != 0), $len
+  if $flags & RUBY_FL_USER2
+    printf "(embed) "
+  end
+  print (struct RBignum *)($arg0)
+  set $ptr = (($flags & RUBY_FL_USER2) ? \
+              ((struct RBignum*)($arg0))->as.ary : \
+              ((struct RBignum*)($arg0))->as.heap.digits)
+  set $len = $len-1
+  printf "0x%x", $ptr[$len]
+  while $len > 0
+    set $len = $len-1
+    set $val = $ptr[$len]
+    set $w = sizeof($ptr[0])
+    printf "_"
+    if $w > 8
+      printf "%.32x", $val
+    else
+    if $w > 4
+      printf "%.16x", $val
+    else
+    if $w > 2
+      printf "%.8x", $val
+    else
+    if $w > 1
+      printf "%.4x", $val
+    else
+      printf "%.2x", $val
+    end
+    end
+    end
+    end
+  end
+  printf "\n"
+end
+document rp_bignum
+  Print the content of a Bignum.
+end
+
 define rp_class
   printf "(struct RClass *) %p", (void*)$arg0
   if ((struct RClass *)($arg0))->ptr.origin_ != $arg0
-- 
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