From: Julian Seward <jseward@acm.org>
Date: Sun, 10 Jul 2005 00:53:42 +0000 (+0000)
Subject: Clean up endianness macros a bit.  Now pub_tool_basics.h defines
X-Git-Tag: svn/VALGRIND_3_0_0~176
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=f13ea11bf89ca5c8e67df46ccf639f41142c1995;p=thirdparty%2Fvalgrind.git

Clean up endianness macros a bit.  Now pub_tool_basics.h defines
VG_LITTLEENDIAN or VG_BIGENDIAN and that's what should be used.



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@4142
---

diff --git a/coregrind/m_debuginfo/symtab.c b/coregrind/m_debuginfo/symtab.c
index a807ee8820..80d2539060 100644
--- a/coregrind/m_debuginfo/symtab.c
+++ b/coregrind/m_debuginfo/symtab.c
@@ -906,7 +906,7 @@ Bool VG_(is_object_file)(const void *buf)
              && ehdr->e_ident[EI_MAG2] == 'L'
              && ehdr->e_ident[EI_MAG3] == 'F');
       ok &= (ehdr->e_ident[EI_CLASS] == VG_ELF_CLASS
-             && ehdr->e_ident[EI_DATA] == VG_ELF_ENDIANNESS
+             && ehdr->e_ident[EI_DATA] == VG_ELF_DATA2XXX
              && ehdr->e_ident[EI_VERSION] == EV_CURRENT);
       ok &= (ehdr->e_type == ET_EXEC || ehdr->e_type == ET_DYN);
       ok &= (ehdr->e_machine == VG_ELF_MACHINE);
diff --git a/coregrind/m_ume.c b/coregrind/m_ume.c
index 8bf91d18e5..6b0cbd17c9 100644
--- a/coregrind/m_ume.c
+++ b/coregrind/m_ume.c
@@ -288,7 +288,7 @@ struct elfinfo *readelf(int fd, const char *filename)
               "(eg. 32-bit instead of 64-bit)\n");
       goto bad;
    }
-   if (e->e.e_ident[EI_DATA] != VG_ELF_ENDIANNESS) {
+   if (e->e.e_ident[EI_DATA] != VG_ELF_DATA2XXX) {
       fprintf(stderr, "valgrind: executable has wrong endian-ness\n");
       goto bad;
    }
diff --git a/coregrind/pub_core_machine.h b/coregrind/pub_core_machine.h
index 3604ea41a7..8b9cdba27f 100644
--- a/coregrind/pub_core_machine.h
+++ b/coregrind/pub_core_machine.h
@@ -40,15 +40,15 @@
 #include "pub_tool_machine.h"
 
 #if defined(VGA_x86)
-#  define VG_ELF_ENDIANNESS   ELFDATA2LSB
+#  define VG_ELF_DATA2XXX     ELFDATA2LSB
 #  define VG_ELF_MACHINE      EM_386
 #  define VG_ELF_CLASS        ELFCLASS32
 #elif defined(VGA_amd64)
-#  define VG_ELF_ENDIANNESS   ELFDATA2LSB
+#  define VG_ELF_DATA2XXX     ELFDATA2LSB
 #  define VG_ELF_MACHINE      EM_X86_64
 #  define VG_ELF_CLASS        ELFCLASS64
 #elif defined(VGA_ppc32)
-#  define VG_ELF_ENDIANNESS   ELFDATA2MSB
+#  define VG_ELF_DATA2XXX     ELFDATA2MSB
 #  define VG_ELF_MACHINE      EM_PPC
 #  define VG_ELF_CLASS        ELFCLASS32
 #else
diff --git a/include/pub_tool_basics.h b/include/pub_tool_basics.h
index 67345b8531..90882e43ae 100644
--- a/include/pub_tool_basics.h
+++ b/include/pub_tool_basics.h
@@ -109,13 +109,24 @@ typedef struct {
 SysRes;
 
 /* ---------------------------------------------------------------------
-   Miscellaneous
+   Miscellaneous (word size, endianness, regparmness)
    ------------------------------------------------------------------ */
 
-/* This is going to be either 4 or 8. */
+/* Word size: this is going to be either 4 or 8. */
 // It should probably be in m_machine.
 #define VG_WORDSIZE VEX_HOST_WORDSIZE
 
+/* Endianness */
+#undef VG_BIGENDIAN
+#undef VG_LITTLEENDIAN
+
+#if defined(VGA_x86) || defined(VGA_amd64)
+#  define VG_LITTLEENDIAN 1
+#elif defined(VGA_ppc32)
+#  define VG_BIGENDIAN 1
+#endif
+
+/* Regparmness */
 #if defined(VGA_x86)
 #  define VG_REGPARM(n)            __attribute__((regparm(n)))
 #elif defined(VGA_amd64) || defined(VGA_ppc32)
diff --git a/memcheck/mc_translate.c b/memcheck/mc_translate.c
index 49590ee598..0579897b08 100644
--- a/memcheck/mc_translate.c
+++ b/memcheck/mc_translate.c
@@ -2367,9 +2367,9 @@ void do_shadow_Dirty ( MCEnv* mce, IRDirty* d )
    IREndness end;
 
    /* What's the native endianness?  We need to know this. */
-#  if defined(VKI_BIG_ENDIAN)
+#  if defined(VG_BIGENDIAN)
    end = Iend_BE;
-#  elif defined(VKI_LITTLE_ENDIAN)
+#  elif defined(VG_LITTLEENDIAN)
    end = Iend_LE;
 #  else
 #    error "Unknown endianness"