asm: more links

userland/arch/aarch64/c/asm_from_c.c

@@ -1,4 +1,4 @@
-/* https://github.com/cirosantilli/arm-assembly-cheat#calling-convention */
+/* https://github.com/cirosantilli/linux-kernel-module-cheat#arm-calling-convention */
 
 #include <assert.h>
 #include <inttypes.h>

userland/arch/aarch64/c/earlyclobber.c

@@ -1,8 +1,4 @@
-/* An example of using the '&' earlyclobber modifier.
- * https://stackoverflow.com/questions/15819794/when-to-use-earlyclobber-constraint-in-extended-gcc-inline-assembly/54853663#54853663
- * The assertion may fail without it. It actually does fail in GCC 8.2.0 at
- * 34017bcd0bc96a3cf77f6acba4d58350e67c2694 + 1.
- */
+/* https://github.com/cirosantilli/linux-kernel-module-cheat#inline-assembly-early-clobbers */
 
 #include <assert.h>
 #include <inttypes.h>

userland/arch/aarch64/c/inc.c

@@ -1,3 +1,8 @@
+/* Increment a variable in inline assembly.
+ *
+ * https://github.com/cirosantilli/linux-kernel-module-cheat#inline-assembly
+ */
+
 #include <assert.h>
 #include <inttypes.h>
 

userland/arch/aarch64/c/inc_float.c

@@ -1,7 +1,4 @@
-/* https://stackoverflow.com/questions/53960240/armv8-floating-point-output-inline-assembly
- *
- * We use the undocumented %s and %d modifiers!
- */
+/* https://github.com/cirosantilli/linux-kernel-module-cheat#inline-assembly-floating-point-arm */
 
 #include <assert.h>
 

userland/arch/aarch64/c/reg_var.c

@@ -1,4 +1,4 @@
-/* https://github.com/cirosantilli/arm-assembly-cheat#register-variables */
+/* https://github.com/cirosantilli/linux-kernel-module-cheat#inline-assembly-register-variables */
 
 #include <assert.h>
 #include <inttypes.h>

userland/arch/aarch64/c/reg_var_float.c

@@ -1,4 +1,4 @@
-/* https://github.com/cirosantilli/arm-assembly-cheat#register-variables */
+/* https://github.com/cirosantilli/linux-kernel-module-cheat#inline-assembly-register-variables */
 
 #include <assert.h>
 #include <inttypes.h>

userland/arch/aarch64/common_arch.h

@@ -1,3 +1,5 @@
+/* https://github.com/cirosantilli/linux-kernel-module-cheat#userland-assembly-c-standard-library */
+
 #ifndef COMMON_ARCH_H
 #define COMMON_ARCH_H
 

userland/arch/arm/c/add.c

@@ -1,4 +1,7 @@
-/* 1 + 2 == 3 */
+/* 1 + 2 == 3
+ *
+ * https://github.com/cirosantilli/linux-kernel-module-cheat#inline-assembly
+ */
 
 #include <assert.h>
 #include <inttypes.h>

userland/arch/arm/c/inc.c

@@ -1,4 +1,7 @@
-/* Increment a variable in inline assembly. */
+/* Increment a variable in inline assembly.
+ *
+ * https://github.com/cirosantilli/linux-kernel-module-cheat#inline-assembly
+ */
 
 #include <assert.h>
 #include <inttypes.h>

userland/arch/arm/c/inc_float.c

@@ -1,4 +1,4 @@
-/* https://stackoverflow.com/questions/53960240/armv8-floating-point-output-inline-assembly */
+/* https://github.com/cirosantilli/linux-kernel-module-cheat#inline-assembly-floating-point-arm */
 
 #include <assert.h>
 

userland/arch/arm/c/inc_memory.c

@@ -13,6 +13,8 @@
  * ....
  * ldr r0, [sp]
  * ....
+ *
+ * https://github.com/cirosantilli/linux-kernel-module-cheat#inline-assembly
  */
 
 #include <assert.h>

userland/arch/arm/c/inc_memory_global.c

@@ -5,6 +5,8 @@
  * movt r3, #<higher address part>
  * ldr r0, [r3]
  * ....
+ *
+ * https://github.com/cirosantilli/linux-kernel-module-cheat#inline-assembly
  */
 
 #include <assert.h>

userland/arch/arm/c/reg_var.c

@@ -1,4 +1,4 @@
-/* https://github.com/cirosantilli/arm-assembly-cheat#register-variables */
+/* https://github.com/cirosantilli/linux-kernel-module-cheat#inline-assembly-register-variables */
 
 #include <assert.h>
 #include <inttypes.h>

userland/arch/arm/c_from_asm.S

@@ -17,7 +17,7 @@ ENTRY
     /* r0 is first argument. */
     ldr r0, =puts_s
     bl puts
-    /* Check exit statut >= 0 for success. */
+    /* Check exit status >= 0 for success. */
     cmp r0, 0
     ASSERT(bge)
 

userland/arch/arm/common_arch.h

@@ -1,3 +1,5 @@
+/* https://github.com/cirosantilli/linux-kernel-module-cheat#userland-assembly-c-standard-library */
+
 #ifndef COMMON_ARCH_H
 #define COMMON_ARCH_H
 

userland/arch/common.h

@@ -1,3 +1,5 @@
+/* https://github.com/cirosantilli/linux-kernel-module-cheat#userland-assembly-c-standard-library */
+
 #ifndef COMMON_H
 #define COMMON_H
 

userland/arch/empty.S

@@ -1,4 +1,6 @@
-/* https://github.com/cirosantilli/arm-assembly-cheat#about */
+/* Please don't do anything, including crashing.
+ * https://github.com/cirosantilli/linux-kernel-module-cheat#userland-assembly
+ */
 
 #include "common.h"
 

userland/arch/fail.S

@@ -1,4 +1,6 @@
-/* See what happens on test failure. */
+/* See what happens on test failure.
+ * https://github.com/cirosantilli/linux-kernel-module-cheat#userland-assembly
+ */
 
 #include "common.h"
 

userland/arch/main.c

@@ -1,4 +1,6 @@
-/* This is the main entrypoint for all .S examples. */
+/* This is the main entry point for all .S examples.
+ * https://github.com/cirosantilli/linux-kernel-module-cheat#userland-assembly-c-standard-library
+ */
 
 #include "stdio.h"
 #include "stdint.h"

userland/arch/x86_64/c/add.c

@@ -1,3 +1,5 @@
+/* https://github.com/cirosantilli/linux-kernel-module-cheat#inline-assembly */
+
 #include <assert.h>
 #include <inttypes.h>
 

userland/arch/x86_64/c/inc.c

@@ -1,3 +1,5 @@
+/* https://github.com/cirosantilli/linux-kernel-module-cheat#inline-assembly */
+
 #include <assert.h>
 #include <inttypes.h>
 

userland/arch/x86_64/c/scratch.c

@@ -1,4 +1,4 @@
-/* https://stackoverflow.com/questions/6682733/gcc-prohibit-use-of-some-registers/54963829#54963829 */
+/* https://github.com/cirosantilli/linux-kernel-module-cheat#inline-assembly-scratch-registers */
 
 #include <assert.h>
 #include <inttypes.h>

userland/arch/x86_64/c/scratch_hardcode.c

@@ -1,4 +1,6 @@
-/* This is a worse version of scratch.c with hardcoded scratch. */
+/* This is a worse version of scratch.c with hardcoded scratch.
+ * https://github.com/cirosantilli/linux-kernel-module-cheat#inline-assembly-scratch-registers
+ */
 
 #include <assert.h>
 #include <inttypes.h>

userland/arch/x86_64/common_arch.h

@@ -1,3 +1,5 @@
+/* https://github.com/cirosantilli/linux-kernel-module-cheat#userland-assembly-c-standard-library */
+
 #ifndef COMMON_ARCH_H
 #define COMMON_ARCH_H