Don't rely only on stack frame being 0 when bottom of stack reached, but

check return address as well. It is necessary for avoiding crash when
FreeBSD threads are used.

1 files changed, 18 insertions, 0 deletions

diff --git a/devel/libexecinfo/files/patch-execinfo.c b/devel/libexecinfo/files/patch-execinfo.c
new file mode 100644
index 000000000000..5692e9b9dd7f
--- /dev/null
+++ b/devel/libexecinfo/files/patch-execinfo.c
@@ -0,0 +1,18 @@
+
+$FreeBSD$
+
+--- execinfo.c	2003/08/10 06:14:30	1.1
++++ execinfo.c	2003/08/10 06:15:23
+@@ -41,8 +41,11 @@
+ {
+     int i;
+ 
+-    for (i = 1; getframeaddr(i + 1) != NULL && i != size + 1; i++)
++    for (i = 1; getframeaddr(i + 1) != NULL && i != size + 1; i++) {
+         buffer[i - 1] = getreturnaddr(i);
++        if (buffer[i - 1] == NULL)
++            break;
++    }
+ 
+     return i - 1;
+ }