X-Git-Url: https://oss.titaniummirror.com/gitweb?p=msp430-binutils.git;a=blobdiff_plain;f=include%2Fcoff%2Fti.h;h=50fa01bc2e541d552bcb1e3fdc77ba6c3bb00e7a;hp=4c246d4a9e08fcbebe9b46002267a78c983e4935;hb=88750007d7869f178f0ba528f41efd3b74c424cf;hpb=6df9443a374e2b81278c61b8afc0a1eef7db280b

diff --git a/include/coff/ti.h b/include/coff/ti.h
index 4c246d4..50fa01b 100644
--- a/include/coff/ti.h
+++ b/include/coff/ti.h
@@ -2,7 +2,8 @@
    customized in a target-specific file, and then this file included (see
    tic54x.h for an example).
    
-   Copyright 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
+   Copyright 2000, 2001, 2002, 2003, 2005, 2008, 2009
+   Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -102,19 +103,21 @@ struct external_filehdr
 #define COFF_ADJUST_FILEHDR_IN_POST(abfd, src, dst) \
   do									\
     {									\
-      ((struct internal_filehdr *)(dst))->f_target_id =			\
-	H_GET_16 (abfd, ((FILHDR *)(src))->f_target_id);		\
+      if (!COFF0_P (abfd))						\
+	((struct internal_filehdr *)(dst))->f_target_id =		\
+	  H_GET_16 (abfd, ((FILHDR *)(src))->f_target_id);		\
     }									\
   while (0)
 #endif
 
 #ifndef COFF_ADJUST_FILEHDR_OUT_POST
 #define COFF_ADJUST_FILEHDR_OUT_POST(abfd, src, dst) \
-  do									\
-    {									\
-      H_PUT_16 (abfd, ((struct internal_filehdr *)(src))->f_target_id,	\
-	       ((FILHDR *)(dst))->f_target_id);				\
-    }									\
+  do									 \
+    {									 \
+      if (!COFF0_P (abfd))						 \
+	H_PUT_16 (abfd, ((struct internal_filehdr *)(src))->f_target_id, \
+		 ((FILHDR *)(dst))->f_target_id);			 \
+    }									 \
   while (0)
 #endif
 
@@ -213,12 +216,81 @@ struct external_scnhdr {
 
 /* COFF2 changes the offsets and sizes of these fields 
    Assume we're dealing with the COFF2 scnhdr structure, and adjust
-   accordingly 
- */
+   accordingly.  Note: The GNU C versions of some of these macros
+   are necessary in order to avoid compile time warnings triggered
+   gcc's array bounds checking.  The PUT_SCNHDR_PAGE macro also has
+   the advantage on not evaluating LOC twice.  */
+
 #define GET_SCNHDR_NRELOC(ABFD, LOC) \
   (COFF2_P (ABFD) ? H_GET_32 (ABFD, LOC) : H_GET_16 (ABFD, LOC))
 #define PUT_SCNHDR_NRELOC(ABFD, VAL, LOC) \
   (COFF2_P (ABFD) ? H_PUT_32 (ABFD, VAL, LOC) : H_PUT_16 (ABFD, VAL, LOC))
+#ifdef __GNUC__
+#define GET_SCNHDR_NLNNO(ABFD, LOC) \
+  ({ \
+    int nlnno;		\
+    char * ptr = (LOC); \
+    if (COFF2_P (ABFD)) \
+      nlnno = H_GET_32 (ABFD, ptr); \
+    else \
+      nlnno = H_GET_16 (ABFD, ptr - 2); \
+    nlnno; \
+  })
+#define PUT_SCNHDR_NLNNO(ABFD, VAL, LOC) \
+  do \
+    { \
+      char * ptr = (LOC); \
+      if (COFF2_P (ABFD)) \
+	H_PUT_32 (ABFD, VAL, ptr); \
+      else \
+	H_PUT_16 (ABFD, VAL, ptr - 2); \
+    } \
+  while (0)
+#define GET_SCNHDR_FLAGS(ABFD, LOC) \
+  ({ \
+    int flags; \
+    char * ptr = (LOC); \
+    if (COFF2_P (ABFD)) \
+      flags = H_GET_32 (ABFD, ptr); \
+    else \
+      flags = H_GET_16 (ABFD, ptr - 4); \
+    flags; \
+  })
+#define PUT_SCNHDR_FLAGS(ABFD, VAL, LOC) \
+  do \
+    { \
+      char * ptr = (LOC); \
+      if (COFF2_P (ABFD)) \
+	H_PUT_32 (ABFD, VAL, ptr); \
+      else \
+	H_PUT_16 (ABFD, VAL, ptr - 4); \
+    } \
+  while (0)
+#define GET_SCNHDR_PAGE(ABFD, LOC) \
+  ({ \
+    unsigned page; \
+    char * ptr = (LOC); \
+    if (COFF2_P (ABFD)) \
+      page = H_GET_16 (ABFD, ptr); \
+    else \
+      page = (unsigned) H_GET_8 (ABFD, ptr - 7); \
+    page; \
+  })
+/* On output, make sure that the "reserved" field is zero.  */
+#define PUT_SCNHDR_PAGE(ABFD, VAL, LOC) \
+  do \
+    { \
+      char * ptr = (LOC); \
+      if (COFF2_P (ABFD)) \
+	H_PUT_16 (ABFD, VAL, ptr); \
+      else \
+	{ \
+	  H_PUT_8 (ABFD, VAL, ptr - 7); \
+	  H_PUT_8 (ABFD, 0, ptr - 8); \
+	} \
+    } \
+  while (0)
+#else
 #define GET_SCNHDR_NLNNO(ABFD, LOC) \
   (COFF2_P (ABFD) ? H_GET_32 (ABFD, LOC) : H_GET_16 (ABFD, (LOC) - 2))
 #define PUT_SCNHDR_NLNNO(ABFD, VAL, LOC) \
@@ -229,11 +301,13 @@ struct external_scnhdr {
   (COFF2_P (ABFD) ? H_PUT_32 (ABFD, VAL, LOC) : H_PUT_16 (ABFD, VAL, (LOC) - 4))
 #define GET_SCNHDR_PAGE(ABFD, LOC) \
   (COFF2_P (ABFD) ? H_GET_16 (ABFD, LOC) : (unsigned) H_GET_8 (ABFD, (LOC) - 7))
-/* on output, make sure that the "reserved" field is zero */
+/* On output, make sure that the "reserved" field is zero.  */
 #define PUT_SCNHDR_PAGE(ABFD, VAL, LOC) \
   (COFF2_P (ABFD) \
    ? H_PUT_16 (ABFD, VAL, LOC) \
    : H_PUT_8 (ABFD, VAL, (LOC) - 7), H_PUT_8 (ABFD, 0, (LOC) - 8))
+#endif
+
 
 /* TI COFF stores section size as number of bytes (address units, not octets),
    so adjust to be number of octets, which is what BFD expects */ 
@@ -250,6 +324,15 @@ struct external_scnhdr {
     }									\
    while (0)
 
+/* The entire scnhdr may not be assigned.
+   Ensure that everything is initialized.  */
+#define COFF_ADJUST_SCNHDR_OUT_PRE(ABFD, INT, EXT)	\
+  do							\
+    {							\
+      memset((EXT), 0, sizeof (SCNHDR));		\
+    }							\
+  while (0)
+
 /* The line number and reloc overflow checking in coff_swap_scnhdr_out in
    coffswap.h doesn't use PUT_X for s_nlnno and s_nreloc.
    Due to different sized v0/v1/v2 section headers, we have to re-write these
@@ -393,10 +476,10 @@ union external_auxent {
 
 /* lnsz size is in bits in COFF file, in bytes in BFD */
 #define GET_LNSZ_SIZE(abfd, ext) \
- (H_GET_16 (abfd, ext->x_sym.x_misc.x_lnsz.x_size) / (class != C_FIELD ? 8 : 1))
+ (H_GET_16 (abfd, ext->x_sym.x_misc.x_lnsz.x_size) / (in_class != C_FIELD ? 8 : 1))
 
 #define PUT_LNSZ_SIZE(abfd, in, ext) \
-  H_PUT_16 (abfd, ((class != C_FIELD) ? (in) * 8 : (in)), \
+  H_PUT_16 (abfd, ((in_class != C_FIELD) ? (in) * 8 : (in)), \
 	   ext->x_sym.x_misc.x_lnsz.x_size)
  
 /* TI COFF stores offsets for MOS and MOU in bits; BFD expects bytes