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[committed,nvptx] Fix __main missing prototype warning in crt0.c

Message ID 20190618092035.GA2874@delia
State New
Headers show
Series [committed,nvptx] Fix __main missing prototype warning in crt0.c | expand

Commit Message

Tom de Vries June 18, 2019, 9:20 a.m. UTC 
Hi,

Atm we see:
...
libgcc/config/nvptx/crt0.c:36:1: warning: no previous prototype for \
  ‘__main’ [-Wmissing-prototypes]
...

Fix this by adding the prototype.

Build and reg-tested on nvptx.
Build and reg-tested on x86_64 with nvptx accelerator.

Committed to trunk.

Thanks,
- Tom

[nvptx] Fix __main missing prototype warning in crt0.c

2019-06-18  Tom de Vries  <tdevries@suse.de>

	* config/nvptx/crt0.c (__main): Declare.

---
 libgcc/config/nvptx/crt0.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
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Patch

diff --git a/libgcc/config/nvptx/crt0.c b/libgcc/config/nvptx/crt0.c
index 097193c708e..b3bf1475fa3 100644
--- a/libgcc/config/nvptx/crt0.c
+++ b/libgcc/config/nvptx/crt0.c
@@ -32,7 +32,9 @@  void *__nvptx_stacks[32] __attribute__((shared,nocommon));
 /* Likewise for -muniform-simt.  */
 unsigned __nvptx_uni[32] __attribute__((shared,nocommon));
 
-void __attribute__((kernel))
+extern void __main (int *, int, void **) __attribute__((kernel));
+
+void
 __main (int *rval_ptr, int argc, void **argv)
 {
   __exitval_ptr = rval_ptr;