From 77ccb5b1dca86acdc7c75abc5bb469da41872a20 Mon Sep 17 00:00:00 2001
From: "Peter S. Mazinger" <ps.m@gmx.net>
Date: Thu, 8 Dec 2005 21:01:23 +0000
Subject: mmap/mremap/socket/rewind gone

---
 libc/sysdeps/linux/arm/ioperm.c    |  1 +
 libc/sysdeps/linux/arm/mmap64.S    |  5 +----
 libc/sysdeps/linux/common/mmap.c   |  3 ++-
 libc/sysdeps/linux/common/mmap64.c |  3 ++-
 libc/sysdeps/linux/common/mremap.c |  4 +++-
 libc/sysdeps/linux/frv/mmap.c      |  3 ++-
 libc/sysdeps/linux/hppa/mmap.c     |  4 +++-
 libc/sysdeps/linux/i386/mmap.S     | 11 +++++++----
 libc/sysdeps/linux/mips/mmap.c     |  4 +++-
 libc/sysdeps/linux/powerpc/mmap.c  |  4 ++--
 libc/sysdeps/linux/sh/mmap.c       |  4 +++-
 libc/sysdeps/linux/x86_64/mmap.c   |  4 +++-
 12 files changed, 32 insertions(+), 18 deletions(-)

(limited to 'libc/sysdeps/linux')

diff --git a/libc/sysdeps/linux/arm/ioperm.c b/libc/sysdeps/linux/arm/ioperm.c
index d69d475d6..15162f916 100644
--- a/libc/sysdeps/linux/arm/ioperm.c
+++ b/libc/sysdeps/linux/arm/ioperm.c
@@ -34,6 +34,7 @@
    enable all the ports all of the time.  */
 
 #define readlink __readlink
+#define mmap __mmap
 
 #include <errno.h>
 #include <fcntl.h>
diff --git a/libc/sysdeps/linux/arm/mmap64.S b/libc/sysdeps/linux/arm/mmap64.S
index 63b02f9df..8fb7edcce 100644
--- a/libc/sysdeps/linux/arm/mmap64.S
+++ b/libc/sysdeps/linux/arm/mmap64.S
@@ -52,10 +52,7 @@ mmap64:
 	mov	r0, ip			@ first arg was clobbered
 	teq	r5, $0
 	ldmeqfd	sp!, {r4, r5, lr}
-#ifdef __PIC__
-	beq	mmap(PLT)
-#else
-	beq	mmap
+	beq	__mmap
 #endif
 .Linval:
 	mov	r0, $-EINVAL
diff --git a/libc/sysdeps/linux/common/mmap.c b/libc/sysdeps/linux/common/mmap.c
index 94c0d82b3..7387f28b4 100644
--- a/libc/sysdeps/linux/common/mmap.c
+++ b/libc/sysdeps/linux/common/mmap.c
@@ -14,7 +14,7 @@
 #ifdef __NR_mmap
 #define __NR__mmap __NR_mmap
 static inline _syscall1(__ptr_t, _mmap, unsigned long *, buffer);
-__ptr_t mmap(__ptr_t addr, size_t len, int prot,
+__ptr_t attribute_hidden __mmap(__ptr_t addr, size_t len, int prot,
 			 int flags, int fd, __off_t offset)
 {
 	unsigned long buffer[6];
@@ -27,4 +27,5 @@ __ptr_t mmap(__ptr_t addr, size_t len, int prot,
 	buffer[5] = (unsigned long) offset;
 	return (__ptr_t) _mmap(buffer);
 }
+strong_alias(__mmap,mmap)
 #endif
diff --git a/libc/sysdeps/linux/common/mmap64.c b/libc/sysdeps/linux/common/mmap64.c
index 7f329c6c9..804d6af50 100644
--- a/libc/sysdeps/linux/common/mmap64.c
+++ b/libc/sysdeps/linux/common/mmap64.c
@@ -19,6 +19,8 @@
 
 /* Massivly hacked up for uClibc by Erik Andersen */
 
+#define mmap __mmap
+
 #include <features.h>
 #include <errno.h>
 #include <unistd.h>
@@ -84,4 +86,3 @@ __ptr_t mmap64(__ptr_t addr, size_t len, int prot, int flags, int fd, __off64_t
 
 #endif
 #endif /* __UCLIBC_HAS_LFS__ */
-
diff --git a/libc/sysdeps/linux/common/mremap.c b/libc/sysdeps/linux/common/mremap.c
index 200c2e1ef..f4a4670d2 100644
--- a/libc/sysdeps/linux/common/mremap.c
+++ b/libc/sysdeps/linux/common/mremap.c
@@ -10,5 +10,7 @@
 #include "syscalls.h"
 #include <unistd.h>
 #include <sys/mman.h>
-_syscall4(__ptr_t, mremap, __ptr_t, old_address, size_t, old_size, size_t,
+#define __NR___mremap __NR_mremap
+attribute_hidden _syscall4(__ptr_t, __mremap, __ptr_t, old_address, size_t, old_size, size_t,
 		  new_size, int, may_move);
+strong_alias(__mremap,mremap)
diff --git a/libc/sysdeps/linux/frv/mmap.c b/libc/sysdeps/linux/frv/mmap.c
index b3fd7c3d8..fa801bb5f 100644
--- a/libc/sysdeps/linux/frv/mmap.c
+++ b/libc/sysdeps/linux/frv/mmap.c
@@ -38,7 +38,7 @@ static inline _syscall6(__ptr_t, __syscall_mmap2, __ptr_t, addr,
 #  define MMAP2_PAGE_SHIFT 12
 # endif
 
-__ptr_t mmap(__ptr_t addr, size_t len, int prot, int flags, int fd, __off_t offset)
+__ptr_t attribute_hidden __mmap(__ptr_t addr, size_t len, int prot, int flags, int fd, __off_t offset)
 {
     if (offset & ((1 << MMAP2_PAGE_SHIFT) - 1)) {
 	__set_errno (EINVAL);
@@ -46,3 +46,4 @@ __ptr_t mmap(__ptr_t addr, size_t len, int prot, int flags, int fd, __off_t offs
     }
     return(__syscall_mmap2(addr, len, prot, flags, fd, (off_t) (offset >> MMAP2_PAGE_SHIFT)));
 }
+strong_alias(__mmap,mmap)
diff --git a/libc/sysdeps/linux/hppa/mmap.c b/libc/sysdeps/linux/hppa/mmap.c
index 117d93ddc..f14f1b6f9 100644
--- a/libc/sysdeps/linux/hppa/mmap.c
+++ b/libc/sysdeps/linux/hppa/mmap.c
@@ -13,5 +13,7 @@
 #include <sys/mman.h>
 #include <sys/syscall.h>
 
-_syscall6(void *, mmap, void *, start, size_t, length, int, prot,
+#define __NR___mmap __NR_mmap
+attribute_hidden _syscall6(void *, __mmap, void *, start, size_t, length, int, prot,
           int, flags, int, fd, off_t, offset);
+strong_alias(__mmap,mmap)
diff --git a/libc/sysdeps/linux/i386/mmap.S b/libc/sysdeps/linux/i386/mmap.S
index 5dde939bf..4c4723dff 100644
--- a/libc/sysdeps/linux/i386/mmap.S
+++ b/libc/sysdeps/linux/i386/mmap.S
@@ -21,10 +21,13 @@
 #include <bits/errno.h>
 #include <sys/syscall.h>
 
-.text
 .global mmap
-.type   mmap,%function
-mmap:
+.set mmap,__mmap
+.text
+.global __mmap
+.hidden __mmap
+.type   __mmap,%function
+__mmap:
 
 	/* Save registers.  */
 	movl %ebx, %edx
@@ -46,4 +49,4 @@ mmap:
 	/* Successful; return the syscall's value.  */
 	ret
 
-.size mmap,.-mmap
+.size __mmap,.-__mmap
diff --git a/libc/sysdeps/linux/mips/mmap.c b/libc/sysdeps/linux/mips/mmap.c
index c6af2efd2..25a3ef5bd 100644
--- a/libc/sysdeps/linux/mips/mmap.c
+++ b/libc/sysdeps/linux/mips/mmap.c
@@ -14,5 +14,7 @@
 #endif
 #endif
 
-_syscall6 (__ptr_t, mmap, __ptr_t, addr, size_t, len, int, prot,
+#define __NR___mmap __NR_mmap
+attribute_hidden _syscall6 (__ptr_t, __mmap, __ptr_t, addr, size_t, len, int, prot,
 	   int, flags, int, fd, __off_t, offset);
+strong_alias(__mmap,mmap)
diff --git a/libc/sysdeps/linux/powerpc/mmap.c b/libc/sysdeps/linux/powerpc/mmap.c
index ec4bfd1f9..cac08ba65 100644
--- a/libc/sysdeps/linux/powerpc/mmap.c
+++ b/libc/sysdeps/linux/powerpc/mmap.c
@@ -10,7 +10,7 @@
 	return (__sc_err & 0x10000000 ? errno = __sc_ret, __sc_ret = -1 : 0), \
 	       (type) __sc_ret
 
-void * mmap(void *start, size_t length, int prot, int flags, int fd,
+void attribute_hidden * __mmap(void *start, size_t length, int prot, int flags, int fd,
 	off_t offset)
 {
 	unsigned long __sc_ret, __sc_err;
@@ -45,4 +45,4 @@ void * mmap(void *start, size_t length, int prot, int flags, int fd,
 
 	__syscall_return (void *);
 }
-
+strong_alias(__mmap,mmap)
diff --git a/libc/sysdeps/linux/sh/mmap.c b/libc/sysdeps/linux/sh/mmap.c
index 622857764..5424942b6 100644
--- a/libc/sysdeps/linux/sh/mmap.c
+++ b/libc/sysdeps/linux/sh/mmap.c
@@ -31,4 +31,6 @@
 
 #include <sys/syscall.h>
 
-_syscall6(__ptr_t, mmap, __ptr_t, addr, size_t, len, int, prot, int, flags, int, fd, __off_t, offset);
+#define __NR___mmap __NR_mmap
+attribute_hidden _syscall6(__ptr_t, __mmap, __ptr_t, addr, size_t, len, int, prot, int, flags, int, fd, __off_t, offset);
+strong_alias(__mmap,mmap)
diff --git a/libc/sysdeps/linux/x86_64/mmap.c b/libc/sysdeps/linux/x86_64/mmap.c
index 117d93ddc..f14f1b6f9 100644
--- a/libc/sysdeps/linux/x86_64/mmap.c
+++ b/libc/sysdeps/linux/x86_64/mmap.c
@@ -13,5 +13,7 @@
 #include <sys/mman.h>
 #include <sys/syscall.h>
 
-_syscall6(void *, mmap, void *, start, size_t, length, int, prot,
+#define __NR___mmap __NR_mmap
+attribute_hidden _syscall6(void *, __mmap, void *, start, size_t, length, int, prot,
           int, flags, int, fd, off_t, offset);
+strong_alias(__mmap,mmap)
-- 
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