3rd-party/linux-kernel-module-cheat
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asm: make use regular asserts that will just work on baremetal

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Previously had wonky line pointer in asm_main. New interface simpler and more portable.

Add tests for ASSERT_EQ_ and family in arm and aarch64, previously on x86_64.

ASSERT_EQ_ and family in ARM can now either take =123, =addr or var, before this
the = was added on macros so var was not possible.

Define the main function directly in assembly, the C driver was useless.
This commit is contained in:
Ciro Santilli 六四事件 法轮功
2019-05-23 00:00:00 +00:00
parent 72200dee4e
commit c8c4f89854
90 changed files with 1003 additions and 978 deletions
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16
userland/arch/arm/add.S
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@@ -1,8 +1,8 @@
/* https://github.com/cirosantilli/linux-kernel-module-cheat#arm-data-processing-instructions */
#include "common.h"
#include <lkmc.h>
LKMC_ENTRY
LKMC_PROLOGUE
/* Immediate encoding.
*
@@ -11,7 +11,7 @@ LKMC_ENTRY
mov r0, 1
/* r1 = r0 + 2 */
add r1, r0, 2
LKMC_ASSERT_EQ(r1, 3)
LKMC_ASSERT_EQ(r1, =3)
/* If src == dest, we can omit one of them.
*
@@ -19,12 +19,12 @@ LKMC_ENTRY
*/
mov r0, 1
add r0, 2
LKMC_ASSERT_EQ(r0, 3)
LKMC_ASSERT_EQ(r0, =3)
/* Same as above but explicit. */
mov r0, 1
add r0, r0, 2
LKMC_ASSERT_EQ(r0, 3)
LKMC_ASSERT_EQ(r0, =3)
#if 0
/* But we cannot omit the register if there is a shift when using .syntx unified:
@@ -44,7 +44,7 @@ LKMC_ENTRY
mov r0, 1
mov r1, 2
add r2, r0, r1
LKMC_ASSERT_EQ(r2, 3)
LKMC_ASSERT_EQ(r2, =3)
/* Register encoding, omit implicit register.
*
@@ -53,6 +53,6 @@ LKMC_ENTRY
mov r0, 1
mov r1, 2
add r1, r0
LKMC_ASSERT_EQ(r1, 3)
LKMC_ASSERT_EQ(r1, =3)
LKMC_EXIT
LKMC_EPILOGUE