Initial import of ELF ld.so. This was written indepently of the gnu rtld

code and is fully BSD copyrighted.
This initial import contains a mostly working mips and partially working
powerpc version. No support for ld.so.hints or system run path exists.

1 files changed, 132 insertions, 0 deletions

diff --git a/libexec/ld.so/mips/archdep.h b/libexec/ld.so/mips/archdep.h
new file mode 100644
index 00000000000..0a7eba55a13
--- /dev/null
+++ b/libexec/ld.so/mips/archdep.h
@@ -0,0 +1,132 @@
+/*	$OpenBSD: archdep.h,v 1.1 2000/06/13 03:34:13 rahnds Exp $ */
+
+/*
+ * Copyright (c) 1998 Per Fogelstrom, Opsycon AB
+ * 
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed under OpenBSD by
+ *	Per Fogelstrom, Opsycon AB, Sweden.
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
+ *
+ */
+
+#ifndef _MIPS_ARCHDEP_H_
+#define _MIPS_ARCHDEP_H_
+
+#define	DL_MALLOC_ALIGN	4	/* Arch constraint or otherwise */
+
+#define	MACHID	EM_MIPS		/* ELF e_machine ID value checked */
+
+#define	RELTYPE	Elf32_Rel
+#define	RELSIZE	sizeof(Elf32_Rel)
+
+/*
+ *	Simple reloc of REL32's. Used by bootstrapping.
+ */
+#define	SIMPLE_RELOC(r, s, p, v)					\
+	if(ELF32_R_TYPE((r)->r_info) == R_MIPS_REL32) {			\
+		if(ELF32_ST_BIND((s)->st_info) == STB_LOCAL &&		\
+		   (ELF32_ST_TYPE((s)->st_info) == STT_SECTION ||	\
+		    ELF32_ST_TYPE((s)->st_info) == STT_NOTYPE) ) {	\
+			*(p) += (v);					\
+		}							\
+		else {							\
+			*(p) = (v) + (s)->st_value;			\
+		}							\
+	}
+
+/*
+ *	The following functions are declared inline so they can
+ *	be used before bootstrap linking has been finished.
+ */
+extern inline void
+_dl_wrstderr(const char *s)
+{
+	while(*s) {
+		_dl_write(2, s, 1);
+		s++;
+	}
+}
+
+extern inline void *
+_dl_memset(void *p, const char v, size_t c)
+{
+	char *ip = p;
+
+	while(c--)
+		*ip++ = v;
+	return(p);
+}
+
+extern inline int
+_dl_strlen(const char *p)
+{
+	const char *s = p;
+
+	while(*s != '\0')
+		s++;
+	return(s - p);
+}
+
+extern inline char *
+_dl_strcpy(char *d, const char *s)
+{
+	char *rd = d;
+
+	while((*d++ = *s++) != '\0');
+
+	return(rd);
+}
+
+extern inline int
+_dl_strncmp(const char *d, const char *s, int c)
+{
+	while(c-- && *d && *d++ == *s++) {};
+	if(c < 0) {
+		return(0);
+	}
+	return(d[-1] - s[-1]);
+}
+ 
+extern inline int
+_dl_strcmp(const char *d, const char *s)
+{
+	while(*d && *d++ == *s++) {};
+	return(d[-1] - s[-1]);
+}
+ 
+extern inline const char *
+_dl_strchr(const char *p, const int c)
+{
+	while(*p) {
+		if(*p == c) {
+			return(p);
+		}
+		p++;
+	}
+	return(0);
+}
+
+#endif /* _MIPS_ARCHDEP_H_ */