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* [binutils-gdb] sim/common: Add ATTRIBUTE_PRINTF
@ 2022-10-11 14:18 Andrew Burgess
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From: Andrew Burgess @ 2022-10-11 14:18 UTC (permalink / raw)
To: gdb-cvs
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=7aaf9c03d143802302c49ed70d05766c9cf3cb5b
commit 7aaf9c03d143802302c49ed70d05766c9cf3cb5b
Author: Tsukasa OI <research_trasio@irq.a4lg.com>
Date: Thu Oct 6 06:36:27 2022 +0000
sim/common: Add ATTRIBUTE_PRINTF
Clang generates a warning if the format string of a printf-like function is
not a literal ("-Wformat-nonliteral"). On the default configuration, it
causes a build failure (unless "--disable-werror" is specified).
To avoid warnings on the printf-like wrapper, it requires proper
__attribute__((format)) and we have ATTRIBUTE_PRINTF macro for this reason.
This commit adds ATTRIBUTE_PRINTF to a printf-like function.
Diff:
---
sim/common/sim-cpu.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/sim/common/sim-cpu.h b/sim/common/sim-cpu.h
index d8b2b9c494a..9e09a55bf81 100644
--- a/sim/common/sim-cpu.h
+++ b/sim/common/sim-cpu.h
@@ -137,7 +137,8 @@ extern sim_cpu *sim_cpu_lookup (SIM_DESC, const char *);
/* Return prefix to use in cpu specific messages. */
extern const char *sim_cpu_msg_prefix (sim_cpu *);
/* Cover fn to sim_io_eprintf. */
-extern void sim_io_eprintf_cpu (sim_cpu *, const char *, ...);
+extern void sim_io_eprintf_cpu (sim_cpu *, const char *, ...)
+ ATTRIBUTE_PRINTF (2, 3);
/* Get/set a pc value. */
#define CPU_PC_GET(cpu) ((* CPU_PC_FETCH (cpu)) (cpu))
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