From: Nick Clifton <nickc@redhat.com>
Date: Sun, 6 May 2001 10:11:33 +0000 (+0000)
Subject: Do not insert more than MAX_MEM_FOR_RS_ALIGN_CODE bytes.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=d8708f403e7d1df1165e12d4141506a804698666;p=binutils-gdb.git

Do not insert more than MAX_MEM_FOR_RS_ALIGN_CODE bytes.
---

diff --git a/gas/ChangeLog b/gas/ChangeLog
index 16ffc8010e2..249070eeda5 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,10 @@
+2001-05-06  Nick Clifton  <nickc@cambridge.redhat.com>
+
+	* config/tc-arm.h (MAX_MEM_FOR_RS_ALIGN_CODE): Define.
+	* config/tc-arm.c (arm_handle_align): Do not insert more than
+	MAX_MEM_FOR_RS_ALIGN_CODE bytes.
+	(arm_frag_align_code): Use MAX_MEM_FOR_RS_ALIGN_CODE.
+
 2001-05-03  Thiemo Seufer <seufer@csv.ica.uni-stuttgart.de>
 
 	* Makefile.am (TARG_ENV_HFILES): Add te-hppa64.h and te-hppalinux64.h.
diff --git a/gas/config/tc-arm.c b/gas/config/tc-arm.c
index 98fd04584a9..59e8d71a44e 100644
--- a/gas/config/tc-arm.c
+++ b/gas/config/tc-arm.c
@@ -8796,8 +8796,8 @@ s_arm_elf_cons (nbytes)
    of an rs_align_code fragment.  */
 
 void
-arm_handle_align (fragp)
-     fragS *fragp;
+arm_handle_align (fragP)
+     fragS *fragP;
 {
   static char const arm_noop[4] = { 0x00, 0x00, 0xa0, 0xe1 };
   static char const thumb_noop[2] = { 0xc0, 0x46 };
@@ -8808,14 +8808,17 @@ arm_handle_align (fragp)
   char * p;
   const char * noop;
   
-  if (fragp->fr_type != rs_align_code)
+  if (fragP->fr_type != rs_align_code)
     return;
 
-  bytes = fragp->fr_next->fr_address - fragp->fr_address - fragp->fr_fix;
-  p = fragp->fr_literal + fragp->fr_fix;
+  bytes = fragP->fr_next->fr_address - fragP->fr_address - fragP->fr_fix;
+  p = fragP->fr_literal + fragP->fr_fix;
   fix = 0;
   
-  if (fragp->tc_frag_data)
+  if (bytes > MAX_MEM_FOR_RS_ALIGN_CODE)
+    bytes = MAX_MEM_FOR_RS_ALIGN_CODE;
+  
+  if (fragP->tc_frag_data)
     {
       if (target_big_endian)
 	noop = thumb_bigend_noop;
@@ -8848,8 +8851,8 @@ arm_handle_align (fragp)
       fix += noop_size;
     }
   
-  fragp->fr_fix += fix;
-  fragp->fr_var = noop_size;
+  fragP->fr_fix += fix;
+  fragP->fr_var = noop_size;
 }
 
 /* Called from md_do_align.  Used to create an alignment
@@ -8864,11 +8867,11 @@ arm_frag_align_code (n, max)
 
   /* We assume that there will never be a requirment
      to support alignments greater than 32 bytes.  */
-  if (max > 31)
+  if (max > MAX_MEM_FOR_RS_ALIGN_CODE)
     as_fatal (_("alignments greater than 32 bytes not supported in .text sections."));
   
   p = frag_var (rs_align_code,
-		31,
+		MAX_MEM_FOR_RS_ALIGN_CODE,
 		1,
 		(relax_substateT) max,
 		(symbolS *) NULL,
@@ -8881,9 +8884,9 @@ arm_frag_align_code (n, max)
 /* Perform target specific initialisation of a frag.  */
 
 void
-arm_init_frag (fragp)
-     fragS *fragp;
+arm_init_frag (fragP)
+     fragS *fragP;
 {
   /* Record whether this frag is in an ARM or a THUMB area.  */
-  fragp->tc_frag_data = thumb_mode;
+  fragP->tc_frag_data = thumb_mode;
 }
diff --git a/gas/config/tc-arm.h b/gas/config/tc-arm.h
index f955c442483..8de5704efae 100644
--- a/gas/config/tc-arm.h
+++ b/gas/config/tc-arm.h
@@ -215,6 +215,8 @@ void armelf_frob_symbol PARAMS ((symbolS *, int *));
 #define DWARF2_LINE_MIN_INSN_LENGTH 2
 #endif
 
+#define MAX_MEM_FOR_RS_ALIGN_CODE 31
+
 /* For frags in code sections we need to record whether they contain
    ARM code or THUMB code.  This is that if they have to be aligned,
    they can contain the correct type of no-op instruction.  */