tlib9: add getcallerpc.c (fixes build) - plan9port - [fork] Plan 9 from user space
 (HTM) git clone git://src.adamsgaard.dk/plan9port
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       ---
 (DIR) commit 323e1a8fac276f008e6d5146a83cbc88edeabc87
 (DIR) parent a18741729cc1460088d1ddaa365dfa6455a459ec
 (HTM) Author: Russ Cox <rsc@swtch.com>
       Date:   Wed,  8 Jan 2020 22:27:29 -0500
       
       lib9: add getcallerpc.c (fixes build)
       
       Diffstat:
         A src/lib9/getcallerpc.c              |      13 +++++++++++++
       
       1 file changed, 13 insertions(+), 0 deletions(-)
       ---
 (DIR) diff --git a/src/lib9/getcallerpc.c b/src/lib9/getcallerpc.c
       t@@ -0,0 +1,13 @@
       +#include <u.h>
       +#include <libc.h>
       +
       +/*
       + * On gcc and clang, getcallerpc is a macro invoking a compiler builtin.
       + * If the macro in libc.h did not trigger, there's no implementation.
       + */
       +#undef getcallerpc
       +ulong
       +getcallerpc(void *v)
       +{
       +        return 1;
       +}