libgreet/main: updated comments

1 files changed, 8 insertions, 2 deletions

diff --git a/04_dynld_nostd/libgreet.c b/04_dynld_nostd/libgreet.c
index e697690..f90bdbf 100644
--- a/04_dynld_nostd/libgreet.c
+++ b/04_dynld_nostd/libgreet.c
@@ -5,19 +5,25 @@
 int gCalled = 0;
 
 const char* get_greet() {
+    // Reference global variable -> generates RELA relocation (R_X86_64_GLOB_DAT).
     ++gCalled;
     return "Hello from libgreet.so!";
 }
 
 const char* get_greet2() {
+    // Reference global variable -> generates RELA relocation (R_X86_64_GLOB_DAT).
     ++gCalled;
     return "Hello 2 from libgreet.so!";
 }
 
-__attribute__((constructor)) static void libinit() { /* static -> generates R_X86_64_RELATIVE relocation */
+// Definition of `static` function which is referenced from the `INIT` dynamic
+// section entry -> generates R_X86_64_RELATIVE relocation.
+__attribute__((constructor)) static void libinit() {
     pfmt("libgreet.so: libinit\n");
 }
 
-__attribute__((destructor)) void libfini() { /* non static -> generates R_X86_64_64 relocation */
+// Definition of `non static` function which is referenced from the `FINI`
+// dynamic section entry -> generates R_X86_64_64 relocation.
+__attribute__((destructor)) void libfini() {
     pfmt("libgreet.so: libfini\n");
 }