From 404495b191ecfe1085e10e9057d4e2e47a7a3399 Mon Sep 17 00:00:00 2001 From: Svetoslav Enchev Date: Sun, 5 Aug 2018 12:40:32 +0300 Subject: [PATCH] target/riscv/riscv-011: fix compile warning about uninitialized variable In MSYS2 MinGW 64-bit git clone git://git.code.sf.net/p/openocd/code openocd $ gcc --version gcc.exe (Rev1, Built by MSYS2 project) 8.2.0 ./bootstrap ./configure --prefix= $ cat config.status | grep CFLAGS CFLAGS='-g -O2' make bindir = "bin-x64" depbase=`echo src/target/riscv/riscv-011.lo | sed 's|[^/]*$|.deps/&|;s|\.lo$||'`;\ /bin/sh ./libtool --tag=CC --mode=compile gcc -DHAVE_CONFIG_H -I. -D__USE_MINGW_ANSI_STDIO -I./src -I./src -I./src/helper -DPKGDATADIR=\"/mingw64/share/openocd\" -DBINDIR=\"bin-x64\" -I./jimtcl -I./jimtcl -Wall -Wstrict-prototypes -Wformat-security -Wshadow -Wextra -Wno-unused-parameter -Wbad-function-cast -Wcast-align -Wredundant-decls -Werror -g -O2 -MT src/target/riscv/riscv-011.lo -MD -MP -MF $depbase.Tpo -c -o src/target/riscv/riscv-011.lo src/target/riscv/riscv-011.c &&\ mv -f $depbase.Tpo $depbase.Plo libtool: compile: gcc -DHAVE_CONFIG_H -I. -D__USE_MINGW_ANSI_STDIO -I./src -I./src -I./src/helper -DPKGDATADIR=\"/mingw64/share/openocd\" -DBINDIR=\"bin-x64\" -I./jimtcl -I./jimtcl -Wall -Wstrict-prototypes -Wformat-security -Wshadow -Wextra -Wno-unused-parameter -Wbad-function-cast -Wcast-align -Wredundant-decls -Werror -g -O2 -MT src/target/riscv/riscv-011.lo -MD -MP -MF src/target/riscv/.deps/riscv-011.Tpo -c src/target/riscv/riscv-011.c -o src/target/riscv/riscv-011.o src/target/riscv/riscv-011.c: In function 'poll_target': src/target/riscv/riscv-011.c:1799:6: error: 'reg' may be used uninitialized in this function [-Werror=maybe-uninitialized] reg_cache_set(target, reg, ((data & 0xffffffff) << 32) | value); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ src/target/riscv/riscv-011.c:1686:17: note: 'reg' was declared here unsigned int reg; ^~~ cc1.exe: all warnings being treated as errors make[2]: *** [Makefile:3250: src/target/riscv/riscv-011.lo] Error 1 Change-Id: I6996dcb866fbace26817636f4bedba09510a087f Signed-off-by: Svetoslav Enchev Reviewed-on: http://openocd.zylin.com/4635 Tested-by: jenkins Reviewed-by: Antonio Borneo Reviewed-by: Tim Newsome Reviewed-by: Tomas Vanek --- src/target/riscv/riscv-011.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/src/target/riscv/riscv-011.c b/src/target/riscv/riscv-011.c index 498da5ad..3820d8fc 100644 --- a/src/target/riscv/riscv-011.c +++ b/src/target/riscv/riscv-011.c @@ -1788,6 +1788,8 @@ static riscv_error_t handle_halt_routine(struct target *target) break; default: assert(0); + LOG_ERROR("Got invalid register result %d", result); + goto error; } if (riscv_xlen(target) == 32) { reg_cache_set(target, reg, data & 0xffffffff); -- 2.39.5