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https://github.com/cirosantilli/linux-kernel-module-cheat.git
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userland: scope every header identifier with lkmc_
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@@ -2,36 +2,36 @@
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#include "common.h"
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ENTRY
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LKMC_ENTRY
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/* Offset mode with immediate. Add 4 to the address register,
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* which ends up * reading myvar6 instead of myvar.
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*/
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adr r4, myvar
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ldr r5, [r4, 4]
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ASSERT_EQ(r5, 0x9ABCDEF0)
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LKMC_ASSERT_EQ(r5, 0x9ABCDEF0)
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/* r4 was not modified. */
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ASSERT_EQ(r4, myvar)
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LKMC_ASSERT_EQ(r4, myvar)
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/* Pre-indexed mode: modify register, then use it. */
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adr r4, myvar
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ldr r5, [r4, 4]!
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ASSERT_EQ(r5, 0x9ABCDEF0)
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LKMC_ASSERT_EQ(r5, 0x9ABCDEF0)
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/* r4 was modified. */
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ASSERT_EQ(r4, myvar6)
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LKMC_ASSERT_EQ(r4, myvar6)
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/* Post-indexed mode: use register, then modify it. */
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adr r4, myvar
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ldr r5, [r4], 4
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ASSERT_EQ(r5, 0x12345678)
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LKMC_ASSERT_EQ(r5, 0x12345678)
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/* r4 was modified. */
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ASSERT_EQ(r4, myvar6)
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LKMC_ASSERT_EQ(r4, myvar6)
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/* Offset in register. */
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adr r4, myvar
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mov r5, 4
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ldr r6, [r4, r5]
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ASSERT_EQ(r6, 0x9ABCDEF0)
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LKMC_ASSERT_EQ(r6, 0x9ABCDEF0)
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/* Offset in shifted register:
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* r6 =
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@@ -42,9 +42,9 @@ ENTRY
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adr r4, myvar
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mov r5, 2
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ldr r6, [r4, r5, lsl 1]
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ASSERT_EQ(r6, 0x9ABCDEF0)
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LKMC_ASSERT_EQ(r6, 0x9ABCDEF0)
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EXIT
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LKMC_EXIT
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myvar:
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.word 0x12345678
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myvar6:
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