Adding gem5 source to svn.

git-svn-id: https://www4.informatik.uni-erlangen.de/i4svn/danceos/trunk/devel/fail@1819 8c4709b5-6ec9-48aa-a5cd-a96041d1645a
2012-10-24 19:18:57 +00:00
parent f7ff71bd46
commit b41eec3f65
3222 changed files with 658579 additions and 1 deletions
--- a/simulators/gem5/ext/libelf/elf_flag.c
+++ b/simulators/gem5/ext/libelf/elf_flag.c
@ -0,0 +1,162 @@
+/*-
+ * Copyright (c) 2006 Joseph Koshy
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+
+#include "libelf.h"
+
+#include "_libelf.h"
+
+unsigned int
+elf_flagdata(Elf_Data *d, Elf_Cmd c, unsigned int flags)
+{
+        Elf *e;
+        Elf_Scn *scn;
+        unsigned int r;
+
+        if (d == NULL)
+                return (0);
+
+        if ((c != ELF_C_SET && c != ELF_C_CLR) || (scn = d->d_scn) == NULL ||
+            (e = scn->s_elf) == NULL || e->e_kind != ELF_K_ELF ||
+            (flags & ~ELF_F_DIRTY) != 0) {
+                LIBELF_SET_ERROR(ARGUMENT, 0);
+                return (0);
+        }
+
+        if (c == ELF_C_SET)
+            r = scn->s_flags |= flags;
+        else
+            r = scn->s_flags &= ~flags;
+
+        return (r);
+}
+
+unsigned int
+elf_flagehdr(Elf *e, Elf_Cmd c, unsigned int flags)
+{
+        int ec;
+        void *ehdr;
+
+        if (e == NULL)
+                return (0);
+
+        if ((c != ELF_C_SET && c != ELF_C_CLR) ||
+            (e->e_kind != ELF_K_ELF) || (flags & ~ELF_F_DIRTY) != 0 ||
+            ((ec = e->e_class) != ELFCLASS32 && ec != ELFCLASS64)) {
+                LIBELF_SET_ERROR(ARGUMENT, 0);
+                return (0);
+        }
+
+        if (ec == ELFCLASS32)
+                ehdr = e->e_u.e_elf.e_ehdr.e_ehdr32;
+        else
+                ehdr = e->e_u.e_elf.e_ehdr.e_ehdr64;
+
+        if (ehdr == NULL) {
+                LIBELF_SET_ERROR(SEQUENCE, 0);
+                return (0);
+        }
+
+        return (elf_flagelf(e, c, flags));
+}
+
+unsigned int
+elf_flagelf(Elf *e, Elf_Cmd c, unsigned int flags)
+{
+        int r;
+
+        if (e == NULL)
+                return (0);
+
+        if ((c != ELF_C_SET && c != ELF_C_CLR) ||
+            (e->e_kind != ELF_K_ELF) ||
+            (flags & ~(ELF_F_DIRTY|ELF_F_LAYOUT)) != 0) {
+                LIBELF_SET_ERROR(ARGUMENT, 0);
+                return (0);
+        }
+
+        if (c == ELF_C_SET)
+                r = e->e_flags |= flags;
+        else
+                r = e->e_flags &= ~flags;
+        return (r);
+}
+
+unsigned int
+elf_flagphdr(Elf *e, Elf_Cmd c, unsigned int flags)
+{
+        int ec;
+        void *phdr;
+
+        if (e == NULL)
+                return (0);
+
+        if ((c != ELF_C_SET && c != ELF_C_CLR) ||
+            (e->e_kind != ELF_K_ELF) || (flags & ~ELF_F_DIRTY) != 0 ||
+            ((ec = e->e_class) != ELFCLASS32 && ec != ELFCLASS64)) {
+                LIBELF_SET_ERROR(ARGUMENT, 0);
+                return (0);
+        }
+
+        if (ec == ELFCLASS32)
+                phdr = e->e_u.e_elf.e_phdr.e_phdr32;
+        else
+                phdr = e->e_u.e_elf.e_phdr.e_phdr64;
+
+        if (phdr == NULL) {
+                LIBELF_SET_ERROR(SEQUENCE, 0);
+                return (0);
+        }
+
+        return (elf_flagelf(e, c, flags));
+}
+
+unsigned int
+elf_flagscn(Elf_Scn *s, Elf_Cmd c, unsigned int flags)
+{
+        int r;
+
+        if (s == NULL)
+                return (0);
+
+        if ((c != ELF_C_SET && c != ELF_C_CLR) ||
+            (flags & ~ELF_F_DIRTY) != 0) {
+                LIBELF_SET_ERROR(ARGUMENT, 0);
+                return (0);
+        }
+
+        if (c == ELF_C_SET)
+                r = s->s_flags |= flags;
+        else
+                r = s->s_flags &= ~flags;
+        return (r);
+}
+
+unsigned int
+elf_flagshdr(Elf_Scn *s, Elf_Cmd c, unsigned int flags)
+{
+        return (elf_flagscn(s, c, flags));
+}