libroot/riscv64: Add missing sigjmp's.

Change-Id: Id353f86571ddf5bc106af7c77f0bd3d22b5b7cbd
Reviewed-on: https://review.haiku-os.org/c/1381
Reviewed-by: Adrien Destugues <[email protected]>

src/system/kernel/lib/arch/riscv64/Jamfile

@@ -22,8 +22,8 @@ SEARCH_SOURCE += [ FDirName $(posixSources) string arch generic ] ;
 SEARCH_SOURCE += [ FDirName $(posixSources) string arch $(TARGET_ARCH) ] ;
 
 KernelMergeObject kernel_lib_posix_arch_$(TARGET_ARCH).o :
-	#siglongjmp.S
+	siglongjmp.S
-	#sigsetjmp.S
+	sigsetjmp.S
 	kernel_longjmp_return.c
 	kernel_setjmp_save_sigs.c
 

src/system/libroot/posix/arch/riscv64/Jamfile

@@ -12,8 +12,8 @@ for architectureObject in [ MultiArchSubDirSetup riscv64 ] {
 
 		MergeObject <$(architecture)>posix_arch_$(TARGET_ARCH).o :
 			fenv.c
-			#sigsetjmp.S
+			sigsetjmp.S
-			#siglongjmp.S
+			siglongjmp.S
 
 			$(genericSources)
 			;

src/system/libroot/posix/arch/riscv64/siglongjmp.S

@@ -0,0 +1,20 @@
+/* 
+ * Copyright 2019, Adrien Destugues, pulkomandy@pulkomandy.tk
+ * Distributed under the terms of the MIT License.
+ */
+
+
+#include <asm_defs.h>
+
+
+/* int __siglongjmp(jmp_buf buffer, int value) */
+FUNCTION(siglongjmp):
+FUNCTION(longjmp):
+FUNCTION(_longjmp):
+	ret
+FUNCTION_END(siglongjmp)
+FUNCTION_END(longjmp)
+FUNCTION_END(_longjmp)
+
+#pragma weak longjmp=siglongjmp
+

src/system/libroot/posix/arch/riscv64/sigsetjmp.S

@@ -0,0 +1,13 @@
+/* Copyright 2019, Adrien Destugues, pulkomandy@pulkomandy.tk.
+ * Distributed under the terms of the MIT License.
+ */
+
+
+#include <asm_defs.h>
+
+
+/* int setjmp(jmp_buf buffer) */
+FUNCTION(setjmp):
+FUNCTION(_setjmp):
+	ret
+FUNCTION_END(setjmp)