Fixing merge conflict resolution

CMakeLists.txt

@@ -42,6 +42,8 @@ endif()
 add_library(hiload SHARED
   src/hiload.c
   src/symbols.c
+  src/files.c
+  src/memory.c
 
 # dependencies
   src/str.c

include/hiload/hiload.h

@@ -29,6 +29,7 @@ void hi_print_module_infos();
 ReloadResult hi_reload_module(const char *module_name);
 
 #pragma GCC visibility pop
+
 #ifdef __cplusplus
 }
 #endif

src/files.c

@@ -0,0 +1,15 @@
+#include "files.h"
+
+#include "logger.h"
+#include "str.h"
+#include "types.h"
+
+HiloadResult read_file_to_str(str *s, const char *filename) {
+
+  int copied = str_from_file(s, filename);
+  if (copied == 0) {
+    sc_log_error("Failed to read file: %s\n", filename);
+    return HILOAD_FAIL;
+  }
+  return HILOAD_OK;
+}

src/files.h

@@ -0,0 +1,9 @@
+#ifndef FILES_H_
+#define FILES_H_
+
+#include "str.h"
+#include "types.h"
+
+HiloadResult read_file_to_str(str *s, const char *);
+
+#endif // FILES_H_

src/hiload.c

@@ -1,4 +1,7 @@
 #include "hiload/hiload.h"
+
+#include "logger.h"
+#include "memory.h"
 #include "symbols.h"
 
 #include <assert.h>
@@ -51,8 +54,10 @@ static int gather_module_infos_callback(struct dl_phdr_info *info, size_t size,
   infos->handles[infos->count] =
       dlopen(info->dlpi_name, RTLD_LAZY | RTLD_NOLOAD);
 
-  if (hi_create_symbol_info(&infos->symbols[infos->count], info) != CREATE_SUCCESS) {
-    fprintf(stderr, "Failed to create symbol info for %s\n", infos->names[infos->count]);
+  if (hi_create_symbol_info(&infos->symbols[infos->count], info) !=
+      CREATE_SUCCESS) {
+    fprintf(stderr, "Failed to create symbol info for %s\n",
+            infos->names[infos->count]);
   }
   infos->count++;
   return 0; // Continue iteration
@@ -110,23 +115,6 @@ static ModuleInfos *gather_shared_libraries(void) {
   return result;
 }
 
-int hi_init() {
-  assert(!module_infos);
-
-  ModuleInfos *infos = gather_shared_libraries();
-  if (!infos) {
-    fprintf(stderr, "Failed to gather module infos.\n");
-    return 1;
-  }
-  if (module_infos) {
-    free_module_infos(module_infos);
-  }
-  module_infos = infos;
-  return 0;
-}
-
-void hi_deinit() { free_module_infos(module_infos); }
-
 /**
  * Reloads a shared library module
  *
@@ -261,3 +249,31 @@ void hi_print_module_infos() {
     printf("\n");
   }
 }
+
+int hi_init() {
+  assert(!module_infos);
+
+  if (sc_log_init() != 0) {
+    fprintf(stderr, "Failed to init logger.\n");
+    return 1;
+  }
+  sc_log_set_level("DEBUG");
+
+  read_memory_maps_self();
+
+  ModuleInfos *infos = gather_shared_libraries();
+  if (!infos) {
+    fprintf(stderr, "Failed to gather module infos.\n");
+    return 1;
+  }
+  if (module_infos) {
+    free_module_infos(module_infos);
+  }
+  module_infos = infos;
+  return 0;
+}
+
+void hi_deinit() {
+  free_module_infos(module_infos);
+  sc_log_term();
+}

src/memory.c

@@ -0,0 +1,14 @@
+#include "memory.h"
+
+#include "logger.h"
+#include "files.h"
+#include "types.h"
+
+str read_memory_maps_self() {
+    str memory_str = str_null;
+
+    HiloadResult res = read_file_to_str(&memory_str, "/proc/self/maps");
+    sc_log_debug("Memory Map (/proc/self/maps):\n%s\n", str_ptr(memory_str));
+
+    return memory_str;
+}

src/memory.h

@@ -0,0 +1,28 @@
+#ifndef MEMORY_H_
+#define MEMORY_H_
+
+#include "str.h"
+#include "types.h"
+#include "array.h"
+
+enum MemoryPermissions {
+  HI_MEMORY_READ = 1 << 0,
+  HI_MEMORY_WRITE = 1 << 1,
+  HI_MEMORY_EXECUTE = 1 << 2,
+  HI_MEMORY_SHARED = 1 << 3,
+  HI_MEMORY_PRIVATE = 1 << 4
+};
+
+typedef struct {
+  void *region_start;
+  void *redion_end;
+  u32 region_flags; // enum MemoryPermissions
+  u32 offset;
+  str pathname;
+} MemoryRegion;
+
+str read_memory_maps_self();
+
+sc_array_def(MemoryRegion, memreg);
+
+#endif // MEMORY_H_

src/types.h

@@ -0,0 +1,19 @@
+#ifndef TYPES_H_
+#define TYPES_H_
+
+#include <stdint.h>
+
+typedef uint8_t u8;
+typedef uint16_t u16;
+typedef uint32_t u32;
+typedef uint64_t u64;
+typedef int8_t i8;
+typedef int16_t i16;
+typedef int32_t i32;
+typedef int64_t i64;
+typedef float f32;
+typedef double f64;
+
+typedef enum { HILOAD_OK = 0, HILOAD_FAIL } HiloadResult;
+
+#endif // TYPES_H_

test/manual/CMakeLists.txt

@@ -11,11 +11,4 @@ add_library(mini SHARED
 
 )
 
-# find_library(HILOAD_LIB NAMES hiload PATHS ${CMAKE_BINARY_DIR})
-# if (${HILOAD_LIB} STREQUAL 'HILOAD_LIB-NOTFOUND')
-#   message(FATAL_ERROR "Couldn't find hiload library")
-# endif()
-
-# target_link_libraries(minimal mini ${HILOAD_LIB})
-
 target_link_libraries(minimal mini hiload)

test/manual/minimal.cpp

@@ -1,6 +1,5 @@
 #include "minimal_lib.h"
 
-// We're not installing anything, so this is a bit weird here
 #include "../../include/hiload/hiload.h"
 
 #include <chrono>