X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fruntime%2Fldso-stubs.S;h=73ef19f081df5783364fed779b6db5929470e1a8;hb=1b650be8b800cf96e2c268ae317fb26d0bf36827;hp=360cf9cc8870c02a4ad630ebe08e4499facd8db2;hpb=83fd554b67913275d8dc06edcad8b2f065c89c49;p=sbcl.git

diff --git a/src/runtime/ldso-stubs.S b/src/runtime/ldso-stubs.S
index 360cf9c..73ef19f 100644
--- a/src/runtime/ldso-stubs.S
+++ b/src/runtime/ldso-stubs.S
@@ -2,8 +2,11 @@
  * stubs for C-linkage library functions which we need to refer to 
  * from Lisp 
  *
- * These exist for the benefit of Lisp code that needs to refer to
- * foreign symbols when dlsym() is not available (i.e. when dumping
+ * (But note this is only the Linux version, as per the FIXME
+ * note in the BSD version in undefineds.h.)
+ *
+ * These stubs exist for the benefit of Lisp code that needs to refer 
+ * to foreign symbols when dlsym() is not available (i.e. when dumping
  * cold-sbcl.core, when we may be running in a host that's not SBCL,
  * or on platforms that don't have it at all). If the runtime is
  * dynamically linked, library functions won't be linked into it, so
@@ -21,13 +24,12 @@
  * provided with absolutely no warranty. See the COPYING and CREDITS
  * files for more information.
  */
+#define LANGUAGE_ASSEMBLY
+#include "sbcl.h"
 
-	.file	"ldso-stubs.S"
-	.version	"01.01"
-gcc2_compiled.:
         .text
 
-#if defined __i386__
+#if defined LISP_FEATURE_X86
 	
 #define LDSO_STUBIFY(fct)                       \
 	.align 16 ;                             \
@@ -38,11 +40,17 @@ ldso_stub__ ## fct: ;                           \
 .L ## fct ## e1: ;                              \
 	.size	 ldso_stub__ ## fct,.L ## fct ## e1-ldso_stub__ ## fct ;
 
-#elif defined alpha
-	
-	/* I _hope_ this is correct - I haven't checked in the manual
- 	 * yet.  It works to the point of building and passing tests,
-	 * at any rate     - dan 2001.05.10 */
+#elif ((defined LISP_FEATURE_OSF1) && (defined LISP_FEATURE_ALPHA))
+/* osf1 has ancient cpp that doesn't do ## */
+#define LDSO_STUBIFY(fct)                       \
+.globl ldso_stub__/**/fct ;                     \
+ldso_stub__/**/fct: ;                           \
+	jmp fct ;                               \
+.L/**/fct/**/e1: ;                              
+
+
+#elif ((defined LISP_FEATURE_LINUX) && (defined LISP_FEATURE_ALPHA))	
+/* but there's no reason we need to put up with that on modern (Linux) OSes */
 #define LDSO_STUBIFY(fct)                       \
 .globl ldso_stub__ ## fct ;                     \
 	.type	 ldso_stub__ ## fct,@function ; \
@@ -50,6 +58,47 @@ ldso_stub__ ## fct: ;                           \
 	jmp fct ;                               \
 .L ## fct ## e1: ;                              \
 	.size	 ldso_stub__ ## fct,.L ## fct ## e1-ldso_stub__ ## fct ;
+
+#elif ((defined LISP_FEATURE_PPC) && (defined LISP_FEATURE_LINUX))
+#define LDSO_STUBIFY(fct)                       \
+.globl ldso_stub__ ## fct ;                     \
+	.type    ldso_stub__ ## fct,@function ; \
+ldso_stub__ ## fct: ;                           \
+        b fct ;                                 \
+.L ## fct ## e1: ;                              \
+        .size    ldso_stub__ ## fct,.L ## fct ## e1-ldso_stub__ ## fct ;
+
+#elif ((defined LISP_FEATURE_PPC) && (defined LISP_FEATURE_DARWIN))
+#define LDSO_STUBIFY(fct)			@\
+.text                                           @\
+.globl  ldso_stub___ ## fct			@\
+ldso_stub___ ## fct:				@\
+	b ldso_stub__ ## fct ## stub		@\
+.symbol_stub ldso_stub__ ## fct ## stub:	@\
+.indirect_symbol _ ## fct			@\
+	lis	r11,ha16(ldso_stub__ ## fct ## $lazy_ptr)	@\
+	lwz	r12,lo16(ldso_stub__ ## fct ## $lazy_ptr)(r11)	@\
+	mtctr	r12				@\
+	addi	r11,r11,lo16(ldso_stub__ ## fct ## $lazy_ptr)	@\
+	bctr					@\
+.lazy_symbol_pointer				@\
+ldso_stub__ ## fct ## $lazy_ptr:		@\
+	.indirect_symbol _ ## fct		@\
+	.long dyld_stub_binding_helper
+	
+#elif defined LISP_FEATURE_SPARC
+	
+	/* This is an attempt to follow DB's hint of sbcl-devel
+	 * 2001-09-18. -- CSR */
+#define LDSO_STUBIFY(fct)                       \
+.globl ldso_stub__ ## fct ;                     \
+	.type	 ldso_stub__ ## fct,@function ; \
+ldso_stub__ ## fct: ;                           \
+	sethi %hi(fct),%g1	;		\
+	jmpl %g1+%lo(fct),%g0	;		\
+	nop /* delay slot*/	;		\
+.L ## fct ## e1: ;                              \
+	.size	 ldso_stub__ ## fct,.L ## fct ## e1-ldso_stub__ ## fct ;
 	
 #else
 #error unsupported CPU architecture
@@ -74,10 +123,12 @@ ldso_stub__ ## fct: ;                           \
  LDSO_STUBIFY(connect)
  LDSO_STUBIFY(cosh)
  LDSO_STUBIFY(creat)
+#ifndef LISP_FEATURE_DARWIN
  LDSO_STUBIFY(dlclose)
  LDSO_STUBIFY(dlerror)
  LDSO_STUBIFY(dlopen)
  LDSO_STUBIFY(dlsym)
+#endif
  LDSO_STUBIFY(dup)
  LDSO_STUBIFY(dup2)
  LDSO_STUBIFY(execve)
@@ -135,13 +186,15 @@ ldso_stub__ ## fct: ;                           \
  LDSO_STUBIFY(send)
  LDSO_STUBIFY(setitimer)
  LDSO_STUBIFY(setpgrp)
- LDSO_STUBIFY(sigblock)
- LDSO_STUBIFY(sigpause)
+ LDSO_STUBIFY(setsid)
+#if !defined(SVR4)
  LDSO_STUBIFY(sigsetmask)
+#endif
  LDSO_STUBIFY(sinh)
  LDSO_STUBIFY(socket)
  LDSO_STUBIFY(stat)
  LDSO_STUBIFY(strerror)
+ LDSO_STUBIFY(strlen)
  LDSO_STUBIFY(symlink)
  LDSO_STUBIFY(sync)
  LDSO_STUBIFY(tanh)
@@ -177,4 +230,8 @@ ldso_stub__ ## fct: ;                           \
  LDSO_STUBIFY(log) 
  LDSO_STUBIFY(log10) 
  LDSO_STUBIFY(sqrt) 
-#endif
\ No newline at end of file
+#endif
+#if defined alpha
+ LDSO_STUBIFY(ieee_get_fp_control)
+ LDSO_STUBIFY(ieee_set_fp_control)
+#endif