root / compiler.h @ a22f123c
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1 | 5c026320 | Luiz Capitulino | /* public domain */
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2 | 5c026320 | Luiz Capitulino | |
3 | 5c026320 | Luiz Capitulino | #ifndef COMPILER_H
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4 | 5c026320 | Luiz Capitulino | #define COMPILER_H
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5 | 5c026320 | Luiz Capitulino | |
6 | 5c026320 | Luiz Capitulino | #include "config-host.h" |
7 | 5c026320 | Luiz Capitulino | |
8 | 5c026320 | Luiz Capitulino | #define QEMU_NORETURN __attribute__ ((__noreturn__))
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9 | 5c026320 | Luiz Capitulino | #ifdef CONFIG_GCC_ATTRIBUTE_WARN_UNUSED_RESULT
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10 | 5c026320 | Luiz Capitulino | #define QEMU_WARN_UNUSED_RESULT __attribute__((warn_unused_result))
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11 | 5c026320 | Luiz Capitulino | #else
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12 | 5c026320 | Luiz Capitulino | #define QEMU_WARN_UNUSED_RESULT
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13 | 5c026320 | Luiz Capitulino | #endif
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14 | 5c026320 | Luiz Capitulino | |
15 | 5c026320 | Luiz Capitulino | #define QEMU_BUILD_BUG_ON(x) \
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16 | 5c026320 | Luiz Capitulino | typedef char qemu_build_bug_on__##__LINE__[(x)?-1:1]; |
17 | 5c026320 | Luiz Capitulino | |
18 | 5c026320 | Luiz Capitulino | #if defined __GNUC__
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19 | 5c026320 | Luiz Capitulino | # if (__GNUC__ < 4) || \ |
20 | 5c026320 | Luiz Capitulino | defined(__GNUC_MINOR__) && (__GNUC__ == 4) && (__GNUC_MINOR__ < 4) |
21 | 5c026320 | Luiz Capitulino | /* gcc versions before 4.4.x don't support gnu_printf, so use printf. */
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22 | 5c026320 | Luiz Capitulino | # define GCC_ATTR __attribute__((__unused__, format(printf, 1, 2))) |
23 | 5c026320 | Luiz Capitulino | # define GCC_FMT_ATTR(n, m) __attribute__((format(printf, n, m)))
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24 | 5c026320 | Luiz Capitulino | # else
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25 | 5c026320 | Luiz Capitulino | /* Use gnu_printf when supported (qemu uses standard format strings). */
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26 | 5c026320 | Luiz Capitulino | # define GCC_ATTR __attribute__((__unused__, format(gnu_printf, 1, 2))) |
27 | 5c026320 | Luiz Capitulino | # define GCC_FMT_ATTR(n, m) __attribute__((format(gnu_printf, n, m)))
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28 | 5c026320 | Luiz Capitulino | # endif
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29 | 5c026320 | Luiz Capitulino | #else
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30 | 5c026320 | Luiz Capitulino | #define GCC_ATTR /**/ |
31 | 5c026320 | Luiz Capitulino | #define GCC_FMT_ATTR(n, m)
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32 | 5c026320 | Luiz Capitulino | #endif
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33 | 5c026320 | Luiz Capitulino | |
34 | 5c026320 | Luiz Capitulino | #endif /* COMPILER_H */ |