From fe68563b9a070fedf117c8738652587945427bb3 Mon Sep 17 00:00:00 2001
From: "Peter S. Mazinger" <ps.m@gmx.net>
Date: Tue, 3 Jan 2006 14:46:56 +0000
Subject: Use strong_alias everywhere instead of .global/.set. Correct some
 cases where the non-hidden version was used.

---
 libc/string/x86_64/_glibc_inc.h |  6 +-----
 libc/string/x86_64/bzero.S      |  4 ++--
 libc/string/x86_64/memcpy.S     |  8 ++++----
 libc/string/x86_64/mempcpy.S    |  3 +++
 libc/string/x86_64/memset.S     |  8 ++++----
 libc/string/x86_64/stpcpy.S     |  4 +---
 libc/string/x86_64/strcat.S     |  5 ++---
 libc/string/x86_64/strchr.S     |  6 ++----
 libc/string/x86_64/strcmp.S     |  5 ++---
 libc/string/x86_64/strcpy.S     |  6 +++---
 libc/string/x86_64/strcspn.S    | 10 ++++------
 libc/string/x86_64/strlen.S     |  5 ++---
 libc/string/x86_64/strpbrk.S    |  4 +---
 libc/string/x86_64/strspn.S     |  5 ++---
 14 files changed, 33 insertions(+), 46 deletions(-)
 create mode 100644 libc/string/x86_64/mempcpy.S

(limited to 'libc/string/x86_64')

diff --git a/libc/string/x86_64/_glibc_inc.h b/libc/string/x86_64/_glibc_inc.h
index f14b23c94..3c31957db 100644
--- a/libc/string/x86_64/_glibc_inc.h
+++ b/libc/string/x86_64/_glibc_inc.h
@@ -14,6 +14,7 @@
 
 #define ENTRY(sym) \
 	.global sym; \
+	.hidden sym; \
 	.align  ENTRY_ALIGN; \
 	.type   sym,%function; \
 	sym:
@@ -26,8 +27,3 @@
 
 #define END(sym) \
 	.size sym,.-sym;
-
-#undef weak_alias
-#define weak_alias(sym, alias) \
-	.weak alias; \
-    alias = sym;
diff --git a/libc/string/x86_64/bzero.S b/libc/string/x86_64/bzero.S
index abd252e7b..73ba75436 100644
--- a/libc/string/x86_64/bzero.S
+++ b/libc/string/x86_64/bzero.S
@@ -1,3 +1,3 @@
-#define memset __bzero
+#define __memset __bzero
 #include "memset.S"
-weak_alias (__bzero, bzero)
+strong_alias(__bzero,bzero)
diff --git a/libc/string/x86_64/memcpy.S b/libc/string/x86_64/memcpy.S
index c375bf3fb..973cd513f 100644
--- a/libc/string/x86_64/memcpy.S
+++ b/libc/string/x86_64/memcpy.S
@@ -23,7 +23,7 @@
 /* BEWARE: `#ifdef memcpy' means that memcpy is redefined as `mempcpy',
    and the return value is the byte after the last one copied in
    the destination. */
-#define MEMPCPY_P (defined memcpy)
+#define MEMPCPY_P (defined __memcpy)
 
         .text
 #if defined PIC && !defined NOT_IN_libc
@@ -32,9 +32,6 @@ ENTRY (__memcpy_chk)
 	jb	HIDDEN_JUMPTARGET (__chk_fail)
 END (__memcpy_chk)
 #endif
-.global memcpy
-.set memcpy,__memcpy
-.hidden __memcpy
 ENTRY (BP_SYM (__memcpy))
 	/* Cutoff for the big loop is a size of 32 bytes since otherwise
 	   the loop will never be entered.  */
@@ -96,3 +93,6 @@ ENTRY (BP_SYM (__memcpy))
 	ret
 
 END (BP_SYM (__memcpy))
+#if !MEMPCPY_P
+strong_alias(__memcpy,memcpy)
+#endif
diff --git a/libc/string/x86_64/mempcpy.S b/libc/string/x86_64/mempcpy.S
new file mode 100644
index 000000000..3a8e925fd
--- /dev/null
+++ b/libc/string/x86_64/mempcpy.S
@@ -0,0 +1,3 @@
+#define __memcpy __mempcpy
+#include "memcpy.S"
+strong_alias(__mempcpy,mempcpy)
diff --git a/libc/string/x86_64/memset.S b/libc/string/x86_64/memset.S
index d66195580..923e1c208 100644
--- a/libc/string/x86_64/memset.S
+++ b/libc/string/x86_64/memset.S
@@ -22,7 +22,7 @@
 #include "_glibc_inc.h"
 
 /* BEWARE: `#ifdef memset' means that memset is redefined as `bzero' */
-#define BZERO_P (defined memset)
+#define BZERO_P (defined __memset)
 
 /* This is somehow experimental and could made dependend on the cache
    size.  */
@@ -35,9 +35,6 @@ ENTRY (__memset_chk)
 	jb	HIDDEN_JUMPTARGET (__chk_fail)
 END (__memset_chk)
 #endif
-.global memset
-.set memset,__memset
-.hidden __memset
 ENTRY (__memset)
 #if BZERO_P
 	mov	%rsi,%rdx	/* Adjust parameter.  */
@@ -135,6 +132,9 @@ ENTRY (__memset)
 	jmp	4b
 
 END (__memset)
+#if !BZERO_P
+strong_alias(__memset,memset)
+#endif
 
 #if !BZERO_P && defined PIC && !defined NOT_IN_libc
 strong_alias (__memset_chk, __memset_zero_constant_len_parameter)
diff --git a/libc/string/x86_64/stpcpy.S b/libc/string/x86_64/stpcpy.S
index 83294e1a8..075773371 100644
--- a/libc/string/x86_64/stpcpy.S
+++ b/libc/string/x86_64/stpcpy.S
@@ -1,6 +1,4 @@
 #define USE_AS_STPCPY
 #define STRCPY __stpcpy
-
 #include "strcpy.S"
-
-weak_alias (__stpcpy, stpcpy)
+strong_alias(__stpcpy,stpcpy)
diff --git a/libc/string/x86_64/strcat.S b/libc/string/x86_64/strcat.S
index 9ee10b202..6c7189a21 100644
--- a/libc/string/x86_64/strcat.S
+++ b/libc/string/x86_64/strcat.S
@@ -23,9 +23,6 @@
 
 
 	.text
-.global strcat
-.set strcat,__strcat
-.hidden __strcat
 ENTRY (BP_SYM (__strcat))
 	movq %rdi, %rcx		/* Dest. register. */
 	andl $7, %ecx		/* mask alignment bits */
@@ -257,3 +254,5 @@ ENTRY (BP_SYM (__strcat))
 	movq	%rdi, %rax	/* Source is return value.  */
 	retq
 END (BP_SYM (__strcat))
+
+strong_alias(__strcat,strcat)
diff --git a/libc/string/x86_64/strchr.S b/libc/string/x86_64/strchr.S
index 04d365a82..312d62b61 100644
--- a/libc/string/x86_64/strchr.S
+++ b/libc/string/x86_64/strchr.S
@@ -22,9 +22,6 @@
 
 
 	.text
-.globl strchr
-.set strchr,__strchr
-.hidden __strchr
 ENTRY (BP_SYM (__strchr))
 
 	/* Before we start with the main loop we process single bytes
@@ -287,4 +284,5 @@ ENTRY (BP_SYM (__strchr))
 	retq
 END (BP_SYM (__strchr))
 
-weak_alias (BP_SYM (strchr), BP_SYM (index))
+strong_alias(__strchr,strchr)
+strong_alias (BP_SYM (__strchr), BP_SYM (index))
diff --git a/libc/string/x86_64/strcmp.S b/libc/string/x86_64/strcmp.S
index f933c1156..1eaff1691 100644
--- a/libc/string/x86_64/strcmp.S
+++ b/libc/string/x86_64/strcmp.S
@@ -22,9 +22,6 @@
 #include "_glibc_inc.h"
 
         .text
-.global strcmp
-.set strcmp,__strcmp
-.hidden __strcmp
 ENTRY (BP_SYM (__strcmp))
 L(oop):	movb	(%rdi), %al
 	cmpb	(%rsi), %al
@@ -42,3 +39,5 @@ L(neq):	movl	$1, %eax
 	cmovbl	%ecx, %eax
 	ret
 END (BP_SYM (__strcmp))
+
+strong_alias(__strcmp,strcmp)
diff --git a/libc/string/x86_64/strcpy.S b/libc/string/x86_64/strcpy.S
index 1a64d2745..0bd2a6471 100644
--- a/libc/string/x86_64/strcpy.S
+++ b/libc/string/x86_64/strcpy.S
@@ -22,9 +22,6 @@
 
 #ifndef USE_AS_STPCPY
 # define STRCPY __strcpy
-.global strcpy
-.set strcpy,__strcpy
-.hidden __strcpy
 #endif
 
 	.text
@@ -154,3 +151,6 @@ ENTRY (BP_SYM (STRCPY))
 #endif
 	retq
 END (BP_SYM (STRCPY))
+#ifndef USE_AS_STPCPY
+strong_alias(__strcpy,strcpy)
+#endif
diff --git a/libc/string/x86_64/strcspn.S b/libc/string/x86_64/strcspn.S
index e25100bc1..35959e500 100644
--- a/libc/string/x86_64/strcspn.S
+++ b/libc/string/x86_64/strcspn.S
@@ -29,12 +29,6 @@
 #define STRPBRK_P (defined __strcspn)
 
 	.text
-#if STRPBRK_P
-#else
-.global strcspn
-.set strcspn,__strcspn
-.hidden __strcspn
-#endif
 ENTRY (__strcspn)
 
 	movq %rdi, %rdx		/* Save SRC.  */
@@ -127,3 +121,7 @@ L(4):	addq $256, %rsp		/* remove skipset */
 #endif
 	ret
 END (__strcspn)
+
+#if !STRPBRK_P
+strong_alias(__strcspn,strcspn)
+#endif
diff --git a/libc/string/x86_64/strlen.S b/libc/string/x86_64/strlen.S
index ab25515f8..77aae71ba 100644
--- a/libc/string/x86_64/strlen.S
+++ b/libc/string/x86_64/strlen.S
@@ -22,9 +22,6 @@
 
 
 	.text
-.global strlen
-.set strlen,__strlen
-.hidden __strlen
 ENTRY (__strlen)
 	movq %rdi, %rcx		/* Duplicate source pointer. */
 	andl $7, %ecx		/* mask alignment bits */
@@ -136,3 +133,5 @@ ENTRY (__strlen)
 	subq %rdi, %rax		/* compute difference to string start */
 	ret
 END (__strlen)
+
+strong_alias(__strlen,strlen)
diff --git a/libc/string/x86_64/strpbrk.S b/libc/string/x86_64/strpbrk.S
index c37befe72..94b14d091 100644
--- a/libc/string/x86_64/strpbrk.S
+++ b/libc/string/x86_64/strpbrk.S
@@ -1,5 +1,3 @@
 #define __strcspn __strpbrk
-.global strpbrk
-.set strpbrk,__strpbrk
-.hidden __strpbrk
 #include "strcspn.S"
+strong_alias(__strpbrk,strpbrk)
diff --git a/libc/string/x86_64/strspn.S b/libc/string/x86_64/strspn.S
index 8d5903c1b..ae5b4a1df 100644
--- a/libc/string/x86_64/strspn.S
+++ b/libc/string/x86_64/strspn.S
@@ -26,9 +26,6 @@
 #include "_glibc_inc.h"
 
 	.text
-.global strspn
-.set strspn,__strspn
-.hidden __strspn
 ENTRY (__strspn)
 
 	movq %rdi, %rdx		/* Save SRC.  */
@@ -115,3 +112,5 @@ L(4):	addq $256, %rsp		/* remove stopset */
 				   non-valid character */
 	ret
 END (__strspn)
+
+strong_alias(__strspn,strspn)
-- 
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