summaryrefslogtreecommitdiff
path: root/ldso/util
diff options
context:
space:
mode:
authorEric Andersen <andersen@codepoet.org>2002-08-08 14:28:47 +0000
committerEric Andersen <andersen@codepoet.org>2002-08-08 14:28:47 +0000
commit4c69b9f793fc1eae9190d8ba26dba25db616272f (patch)
tree0029a765f3402cdbef9bb2f384c8a067e1ed17c0 /ldso/util
parente3787b675f1a369697d97ba8e65bf6ba80ace51d (diff)
Patch from Stefan Allius and Edie C. Dost to let ldd and
readelf compile under solaris.
Diffstat (limited to 'ldso/util')
-rw-r--r--ldso/util/Makefile5
-rw-r--r--ldso/util/bswap.h56
-rw-r--r--ldso/util/ldd.c15
-rw-r--r--ldso/util/readelf.c8
4 files changed, 74 insertions, 10 deletions
diff --git a/ldso/util/Makefile b/ldso/util/Makefile
index 3e9393aac..dcd91dbaf 100644
--- a/ldso/util/Makefile
+++ b/ldso/util/Makefile
@@ -24,7 +24,10 @@ TOPDIR=../../
include $(TOPDIR)Rules.mak
TARGET_CC = $(TOPDIR)extra/gcc-uClibc/$(TARGET_ARCH)-uclibc-gcc
-TARGETS = elf_header ldd readelf
+TARGETS = elf_header ldd
+ifeq ($(OSTYPE),linux)
+TARGETS += readelf
+endif
ifneq ($(strip $(LIBRARY_CACHE)),)
TARGETS += ldconfig
endif
diff --git a/ldso/util/bswap.h b/ldso/util/bswap.h
new file mode 100644
index 000000000..71867885e
--- /dev/null
+++ b/ldso/util/bswap.h
@@ -0,0 +1,56 @@
+#ifndef _BSWAP_H
+#define _BSWAP_H 1
+
+#if !defined(__BYTE_ORDER) && defined(BYTE_ORDER)
+# define __BYTE_ORDER = BYTE_ORDER
+#endif
+
+#ifndef __BYTE_ORDER
+#ifdef linux
+#include <endian.h>
+#else
+#define __LITTLE_ENDIAN 1234 /* least-significant byte first (vax, pc) */
+#define __BIG_ENDIAN 4321 /* most-significant byte first (IBM, net) */
+#define __PDP_ENDIAN 3412 /* LSB first in word, MSW first in long (pdp) */
+
+#if defined(sun386) || defined(i386)
+#define __BYTE_ORDER __LITTLE_ENDIAN
+#endif
+
+#if defined(sparc)
+#define __BYTE_ORDER __BIG_ENDIAN
+#endif
+
+#endif /* linux */
+#endif /* __BYTE_ORDER */
+
+
+#ifndef __BYTE_ORDER
+# error "Undefined __BYTE_ORDER"
+#endif
+
+#ifdef linux
+#include <byteswap.h>
+#else
+#include <string.h>
+static __inline__ uint32_t bswap_32(uint32_t x)
+ {
+ uint32_t res;
+
+ swab((void*)&x, (void*)&res, sizeof(uint32_t));
+ printf ("bswap_32: %x > %x\n",x,res);
+
+ return res;
+ }
+
+static __inline__ uint16_t bswap_16(uint16_t x)
+ {
+ uint16_t res;
+
+ swab((void*)&x, (void*)&res, sizeof(uint16_t));
+ printf ("bswap_32: %x > %x\n",x,res);
+ return res;
+ }
+#endif
+
+#endif
diff --git a/ldso/util/ldd.c b/ldso/util/ldd.c
index 6b9326b53..29c520c60 100644
--- a/ldso/util/ldd.c
+++ b/ldso/util/ldd.c
@@ -29,7 +29,6 @@
#define _GNU_SOURCE
-#include <features.h>
#include <stdlib.h>
#include <stdio.h>
#include <fcntl.h>
@@ -38,9 +37,14 @@
#include <sys/mman.h>
#include <sys/stat.h>
#include <sys/types.h>
-#include <endian.h>
-#include <byteswap.h>
+
+#include "bswap.h"
+#if defined (sun)
+#include "link.h"
+#else
#include "elf.h"
+#endif
+
#ifdef DMALLOC
#include <dmalloc.h>
#endif
@@ -102,7 +106,7 @@ void * elf_find_dynamic(int const key, Elf32_Dyn *dynp,
for (; DT_NULL!=byteswap32_to_host(dynp->d_tag); ++dynp) {
if (key == byteswap32_to_host(dynp->d_tag)) {
if (return_val == 1)
- return (void *)byteswap32_to_host(dynp->d_un.d_val);
+ return (void *)(intptr_t)byteswap32_to_host(dynp->d_un.d_val);
else
return (void *)(byteswap32_to_host(dynp->d_un.d_val) - tx_reloc + (char *)ehdr );
}
@@ -133,6 +137,7 @@ int check_elf_header(Elf32_Ehdr *const ehdr)
#else
#error Unknown host byte order!
#endif
+
/* Be vary lazy, and only byteswap the stuff we use */
if (byteswap==1) {
ehdr->e_type=bswap_16(ehdr->e_type);
@@ -457,7 +462,7 @@ foo:
dynsec = elf_find_section_type(SHT_DYNAMIC, ehdr);
find_elf_interpreter(ehdr, dynamic, dynstr, is_suid);
if (dynsec) {
- dynamic = (Elf32_Dyn*)(byteswap32_to_host(dynsec->sh_offset) + (int)ehdr);
+ dynamic = (Elf32_Dyn*)(byteswap32_to_host(dynsec->sh_offset) + (intptr_t)ehdr);
dynstr = (char *)elf_find_dynamic(DT_STRTAB, dynamic, ehdr, 0);
find_needed_libraries(ehdr, dynamic, dynstr, is_suid);
}
diff --git a/ldso/util/readelf.c b/ldso/util/readelf.c
index 98df3ffda..bb8aa26fd 100644
--- a/ldso/util/readelf.c
+++ b/ldso/util/readelf.c
@@ -36,8 +36,8 @@
#include <sys/mman.h>
#include <sys/stat.h>
#include <sys/types.h>
-#include <endian.h>
-#include <byteswap.h>
+
+#include "bswap.h"
#include "elf.h"
@@ -84,7 +84,7 @@ void * elf_find_dynamic(int const key, Elf32_Dyn *dynp,
for (; DT_NULL!=byteswap32_to_host(dynp->d_tag); ++dynp) {
if (key == byteswap32_to_host(dynp->d_tag)) {
if (return_val == 1)
- return (void *)byteswap32_to_host(dynp->d_un.d_val);
+ return (void *)(intptr_t)byteswap32_to_host(dynp->d_un.d_val);
else
return (void *)(byteswap32_to_host(dynp->d_un.d_val) - tx_reloc + (char *)ehdr );
}
@@ -339,7 +339,7 @@ foo:
dynsec = elf_find_section_type(SHT_DYNAMIC, ehdr);
if (dynsec) {
- dynamic = (Elf32_Dyn*)(byteswap32_to_host(dynsec->sh_offset) + (int)ehdr);
+ dynamic = (Elf32_Dyn*)(byteswap32_to_host(dynsec->sh_offset) + (intptr_t)ehdr);
dynstr = (char *)elf_find_dynamic(DT_STRTAB, dynamic, ehdr, 0);
list_needed_libraries(dynamic, dynstr);
}