On Sun, 23 May 2021 07:08:38 -0700
[email protected] wrote:
> cc -O2 -pipe -D__BUILTIN_HACK -Wall -ggdb3 -I/usr/local/include -MD -MP
> -nostdinc -idirafter /usr/include -c backtrace.c -o backtrace.o
> error: return address can be determined only for current frame
> error: return address can be determined only for current frame
> 2 errors generated.
Does this diff help? It avoids _builtin_frame_address(1), but I don't
know if it would fix your compiler error.
We pass -D__BUILTIN_HACK on mips64* | hppa | sh to disable most of the
backtrace code. I don't have the hardware to check.
--George
Index: Makefile
===================================================================
RCS file: /cvs/ports/devel/libexecinfo/Makefile,v
retrieving revision 1.26
diff -u -p -r1.26 Makefile
--- Makefile 3 Jan 2020 15:16:59 -0000 1.26
+++ Makefile 26 May 2021 00:46:48 -0000
@@ -9,7 +9,7 @@ GH_PROJECT= backtrace
DISTNAME = ${GH_PROJECT}-${V}
PKGNAME = libexecinfo-$V
EPOCH = 0
-REVISION = 2
+REVISION = 3
CATEGORIES = devel
SHARED_LIBS = execinfo 2.0
Index: patches/patch-libbacktrace_backtrace_c
===================================================================
RCS file: /cvs/ports/devel/libexecinfo/patches/patch-libbacktrace_backtrace_c,v
retrieving revision 1.4
diff -u -p -r1.4 patch-libbacktrace_backtrace_c
--- patches/patch-libbacktrace_backtrace_c 11 Mar 2016 19:46:13 -0000
1.4
+++ patches/patch-libbacktrace_backtrace_c 26 May 2021 00:46:48 -0000
@@ -3,17 +3,22 @@ $OpenBSD: patch-libbacktrace_backtrace_c
- __builtin_return_address() and __builtin_frame_address()
may not always have a !0 argument.
---- libbacktrace/backtrace.c.orig Thu Mar 3 10:15:09 2016
-+++ libbacktrace/backtrace.c Thu Mar 3 10:15:38 2016
-@@ -65,6 +65,7 @@ bt_create_backtrace(void **buffer, int depth, int flag
+Index: libbacktrace/backtrace.c
+--- libbacktrace/backtrace.c.orig
++++ libbacktrace/backtrace.c
+@@ -64,7 +64,10 @@ bt_create_backtrace(void **buffer, int depth, int flag
+ do {
/* number of HANDLE_FRAME must match BT_MAX_DEPTH */
switch (i) {
- HANDLE_FRAME(0, i, addr);
+- HANDLE_FRAME(0, i, addr);
++ case 0:
++ addr = __builtin_return_address(0);
++ break;
+#ifndef __BUILTIN_HACK
HANDLE_FRAME(1, i, addr);
HANDLE_FRAME(2, i, addr);
HANDLE_FRAME(3, i, addr);
-@@ -192,6 +193,7 @@ bt_create_backtrace(void **buffer, int depth, int flag
+@@ -192,6 +195,7 @@ bt_create_backtrace(void **buffer, int depth, int flag
HANDLE_FRAME(125, i, addr);
HANDLE_FRAME(126, i, addr);
HANDLE_FRAME(127, i, addr);
