[patch] binutils-2.16.1-ldhints.patch

binutils-2.16.1-ldhints.patch (text/plain), 3.37 KB, created by Diego Elio Pettenò (RETIRED) on 2006-02-20 06:34:25 UTC

Index: binutils-2.16.1/ld/Makefile.in
===================================================================
--- binutils-2.16.1.orig/ld/Makefile.in
+++ binutils-2.16.1/ld/Makefile.in
@@ -347,6 +347,7 @@ ALL_EMULATIONS = \
 	ei386beos.o \
 	ei386bsd.o \
 	ei386coff.o \
+	ei386freebsd.o \
 	ei386go32.o \
 	ei386linux.o \
 	ei386lynx.o \
@@ -1711,6 +1712,9 @@ ei386bsd.c: $(srcdir)/emulparams/i386bsd
 ei386coff.c: $(srcdir)/emulparams/i386coff.sh \
   $(srcdir)/emultempl/generic.em $(srcdir)/scripttempl/i386coff.sc ${GEN_DEPENDS}
 	${GENSCRIPTS} i386coff "$(tdir_i386coff)"
+ei386freebsd.c: $(srcdir)/emulparams/i386freebsd.sh \
+  $(srcdir)/emultempl/generic.em $(srcdir)/scripttempl/aout.sc ${GEN_DEPENDS}
+	${GENSCRIPTS} i386freebsd "$(tdir_i386freebsd)"
 ei386go32.c: $(srcdir)/emulparams/i386go32.sh \
   $(srcdir)/emultempl/generic.em $(srcdir)/scripttempl/i386go32.sc ${GEN_DEPENDS}
 	${GENSCRIPTS} i386go32 "$(tdir_i386go32)"
Index: binutils-2.16.1/ld/emulparams/i386freebsd.sh
===================================================================
--- /dev/null
+++ binutils-2.16.1/ld/emulparams/i386freebsd.sh
@@ -0,0 +1,6 @@
+SCRIPT_NAME=aout
+TEXT_START_ADDR=0x1020
+OUTPUT_FORMAT="a.out-i386-freebsd"
+TARGET_PAGE_SIZE=0x1000
+ARCH=i386
+EXECUTABLE_SYMBOLS='__DYNAMIC = 0;'
Index: binutils-2.16.1/ld/emultempl/elf32.em
===================================================================
--- binutils-2.16.1.orig/ld/emultempl/elf32.em
+++ binutils-2.16.1/ld/emultempl/elf32.em
@@ -522,6 +522,69 @@ gld${EMULATION_NAME}_add_sysroot (const 
 
 EOF
   case ${target} in
+    *-*-freebsd*)
+      cat >>e${EMULATION_NAME}.c <<EOF
+/*
+ * Read the system search path the FreeBSD way rather than like Linux.
+ */
+#include <elf-hints.h>
+
+static bfd_boolean
+gld${EMULATION_NAME}_check_ld_elf_hints (struct dt_needed *n, int force)
+{
+  const char *name = n->name;
+  static bfd_boolean initialized;
+  static char *ld_elf_hints;
+
+  if (! initialized)
+    {
+      FILE *f;
+      char *tmppath;
+
+      tmppath = concat (ld_sysroot, _PATH_ELF_HINTS, NULL);
+      f = fopen (tmppath, FOPEN_RB);
+      free (tmppath);
+      if (f != NULL)
+	{
+	  struct elfhints_hdr hdr;
+
+	  if (fread(&hdr, 1, sizeof(hdr), f) == sizeof(hdr) &&
+	      hdr.magic == ELFHINTS_MAGIC &&
+	      hdr.version == 1)
+	    {
+	      if (fseek(f, hdr.strtab + hdr.dirlist, SEEK_SET) != -1)
+		{
+		  char *b;
+
+		  b = (char *) xmalloc (hdr.dirlistlen + 1);
+		  if (fread(b, 1, hdr.dirlistlen + 1, f) !=
+		      hdr.dirlistlen + 1)
+		    {
+		      free(b);
+		      b = NULL;
+		    }
+		  else
+		    {
+		      ld_elf_hints = gld${EMULATION_NAME}_add_sysroot (b);
+		      free (b);
+		    }
+		}
+	    }
+	  fclose (f);
+	}
+
+      initialized = TRUE;
+    }
+
+  if (ld_elf_hints == NULL)
+    return FALSE;
+
+  return gld${EMULATION_NAME}_search_needed (ld_elf_hints, n, force);
+}
+EOF
+    # FreeBSD
+    ;;
+
     *-*-linux-gnu*)
       cat >>e${EMULATION_NAME}.c <<EOF
 /* For a native linker, check the file /etc/ld.so.conf for directories
@@ -932,6 +995,14 @@ cat >>e${EMULATION_NAME}.c <<EOF
 EOF
 if [ "x${USE_LIBPATH}" = xyes ] ; then
   case ${target} in
+    *-*-freebsd*)
+      cat >>e${EMULATION_NAME}.c <<EOF
+	  if (gld${EMULATION_NAME}_check_ld_elf_hints (&n, force))
+	    break;
+EOF
+    # FreeBSD
+    ;;
+
     *-*-linux-gnu*)
       cat >>e${EMULATION_NAME}.c <<EOF
 	  if (gld${EMULATION_NAME}_check_ld_so_conf (l->name, force))