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26 lines
548 B
ArmAsm
26 lines
548 B
ArmAsm
/* https://cirosantilli.com/linux-kernel-module-cheat#gnu-gas-assembler-char-literals */
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#include <lkmc.h>
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LKMC_PROLOGUE
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mov $0, %r12
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/* Memory. */
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mov mychar, %r12b
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LKMC_ASSERT_EQ(%r12, $0x61)
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/* Immediate. Without the `$`, does a memory access, and segfaults! */
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mov $'b, %r12b
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LKMC_ASSERT_EQ(%r12, $0x62)
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/* Space character works. */
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mov $' , %r12b
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LKMC_ASSERT_EQ(%r12, $0x20)
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/* Backslash escapes work. */
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mov $'\n , %r12b
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LKMC_ASSERT_EQ(%r12, $0x0A)
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LKMC_EPILOGUE
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mychar:
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.byte 'a
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