mirror of
https://github.com/cirosantilli/linux-kernel-module-cheat.git
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a90271c6af
Split userland/arch/<arch>/c/ into inline_asm and intrinsics, and move programs that don't match either up.
19 lines
397 B
C
19 lines
397 B
C
/* https://github.com/cirosantilli/linux-kernel-module-cheat#your-first-binutils-hack */
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#include <assert.h>
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#include <inttypes.h>
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int main(void) {
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uint64_t in = 0xFFFFFFFF;
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uint64_t out = 0;
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__asm__ (
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"mov %[in], %%rax;"
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"inc %%rax;"
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"movq %%rax, %[out]"
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: [out] "=g" (out)
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: [in] "g" (in)
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: "rax"
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);
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assert(out == in + 1);
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}
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