Get rid of GNU libelf and its autoconf nastiness and replace

it with FreeBSD's implementation

--HG--
extra : convert_revision : ef9c4551b9a6b54b76a89f286ff9804c55790621

1 files changed, 78 insertions, 0 deletions

diff --git a/ext/libelf/libelf_data.c b/ext/libelf/libelf_data.c
new file mode 100644
index 000000000..49c65754b
--- /dev/null
+++ b/ext/libelf/libelf_data.c
@@ -0,0 +1,78 @@
+/*-
+ * 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"
+
+int
+_libelf_xlate_shtype(uint32_t sht)
+{
+        switch (sht) {
+        case SHT_DYNAMIC:
+                return (ELF_T_DYN);
+        case SHT_DYNSYM:
+                return (ELF_T_SYM);
+        case SHT_FINI_ARRAY:
+                return (ELF_T_ADDR);
+        case SHT_GROUP:
+                return (ELF_T_WORD);
+        case SHT_HASH:
+                return (ELF_T_WORD);
+        case SHT_INIT_ARRAY:
+                return (ELF_T_ADDR);
+        case SHT_NOBITS:
+                return (ELF_T_BYTE);
+        case SHT_NOTE:
+                return (ELF_T_NOTE);
+        case SHT_PREINIT_ARRAY:
+                return (ELF_T_ADDR);
+        case SHT_PROGBITS:
+                return (ELF_T_BYTE);
+        case SHT_REL:
+                return (ELF_T_REL);
+        case SHT_RELA:
+                return (ELF_T_RELA);
+        case SHT_STRTAB:
+                return (ELF_T_BYTE);
+        case SHT_SYMTAB:
+                return (ELF_T_SYM);
+        case SHT_SYMTAB_SHNDX:
+                return (ELF_T_WORD);
+        case SHT_GNU_verdef:	/* == SHT_SUNW_verdef */
+                return (ELF_T_VDEF);
+        case SHT_GNU_verneed:	/* == SHT_SUNW_verneed */
+                return (ELF_T_VNEED);
+        case SHT_GNU_versym:	/* == SHT_SUNW_versym */
+                return (-1);	/* XXX */
+        case SHT_SUNW_move:
+                return (ELF_T_MOVE);
+        case SHT_SUNW_syminfo:
+                return (ELF_T_SYMINFO);
+        default:
+                return (-1);
+        }
+}