These types are problematic because they are typically declared in a non-standard way in U-Boot. For example, U-Boot uses 'long long' for int64_t even on a 64-bit machine whereas stdint.h uses 'long'. Similarly, U-Boot always uses 'long' for intptr_t whereas stdint.h mostly uses 'int'. This simple test script runs a few toolchains on a few archs to check for warnings. Signed-off-by: Simon Glass <sjg@chromium.org>master
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#include <common.h> |
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#include <inttypes.h> |
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int test_types(void) |
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{ |
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uintptr_t uintptr = 0; |
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uint64_t uint64 = 0; |
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u64 u64_val = 0; |
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printf("uintptr = %" PRIuPTR "\n", uintptr); |
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printf("uint64 = %" PRIu64 "\n", uint64); |
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printf("u64 = %" PRIu64 "\n", u64_val); |
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} |
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#!/bin/bash |
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# Test script to check uintptr_t and 64-bit types for warnings |
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# |
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# It builds a few boards with different toolchains. If there are no warnings |
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# then all is well. |
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# |
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# Usage: |
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# |
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# Make sure that your toolchains are correct at the bottom of this file |
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# |
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# Then: |
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# ./test/stdint/test-includes.sh |
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out=/tmp/test-includes.tmp |
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try_test() { |
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local board=$1 |
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local arch=$2 |
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local soc=$3 |
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local gcc=$4 |
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local flags="$5" |
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echo $@ |
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if ! which ${gcc} >/dev/null 2>&1; then |
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echo "Not found: ${gcc}" |
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return |
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fi |
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rm -rf ${out} |
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mkdir -p ${out} |
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touch ${out}/config.h |
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mkdir -p ${out}/generated |
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touch ${out}/generated/generic-asm-offsets.h |
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mkdir -p ${out}/include/asm |
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ln -s $(pwd)/arch/${arch}/include/asm/arch-${soc} \ |
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${out}/include/asm/arch |
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cmd="${gcc} -c -D__KERNEL__ ${flags} \ |
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-fno-builtin -ffreestanding \ |
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-Iarch/${arch}/include \ |
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-Iinclude \ |
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-I${out} -I${out}/include \ |
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-include configs/${board}.h test/stdint/int-types.c \ |
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-o /dev/null" |
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$cmd |
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} |
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# Run a test with and without CONFIG_USE_STDINT |
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try_both() { |
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try_test $@ |
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try_test $@ -DCONFIG_USE_STDINT |
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} |
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# board arch soc path-to-gcc |
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try_both sandbox sandbox - gcc |
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try_both coreboot x86 - x86_64-linux-gnu-gcc |
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try_both seaboard arm tegra20 /opt/linaro/gcc-linaro-arm-linux-gnueabihf-4.8-2013.08_linux/bin/arm-linux-gnueabihf-gcc |
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