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30 lines
666 B
ArmAsm
30 lines
666 B
ArmAsm
/* https://cirosantilli.com/linux-kernel-module-cheat#gnu-gas-assembler data sizes */
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#include <lkmc.h>
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LKMC_PROLOGUE
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#define ASSERT_DIFF(label1, label2, result) \
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lea label2(%rip), %rax; \
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lea label1(%rip), %rbx; \
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sub %rbx, %rax; \
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LKMC_ASSERT_EQ(%rax, $result)
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ASSERT_DIFF(mybyte, myword, 1)
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ASSERT_DIFF(myword, mylong, 2)
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ASSERT_DIFF(mylong, myquad, 4)
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ASSERT_DIFF(myquad, myocta, 8)
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ASSERT_DIFF(myocta, theend, 16)
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#undef ASSERT_DIF
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LKMC_EPILOGUE
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mybyte:
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.byte 0x12
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myword:
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.word 0x1234
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mylong:
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.long 0x12345678
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myquad:
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.quad 0x123456789ABCDEF0
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myocta:
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.octa 0x123456789ABCDEF0123456789ABCDEF0
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theend:
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