hook_registry.c File Reference

#include <stdint.h>
#include <string.h>
#include <dttr_runtime.h>
#include <dttr_test_support.h>

Go to the source code of this file.

Typedefs
typedef int(*	hook_target_fn) (int value)

Functions
static void	test_patch_bytes_detach_restores_original (void **state)
static void	test_pointer_hook_detach_restores_original (void **state)
static void	test_owner_detach_only_detaches_matching_owner (void **state)
static void	test_cleanup_all_restores_hooks_and_allows_reuse (void **state)
static void	test_overlapping_byte_patches_are_rejected (void **state)
	__attribute__ ((noinline))
static void	chain_log (int id)
static int	chain_detour_a (int value)
static int	chain_detour_b (int value)
static void	test_function_hooks_chain_and_detach (void **state)

Variables
static uint8_t	patch_target [4] = {0x10, 0x20, 0x30, 0x40}
static void *	pointer_target = (void *)0x11112222u
static hook_target_fn	chain_original_a = NULL
static hook_target_fn	chain_original_b = NULL
static int	chain_call_log [2]
static size_t	chain_call_count = 0
static const DTTR_TestCase	TEST_CASES []

Typedef Documentation

hook_target_fn

typedef int(* hook_target_fn) (int value)

Definition at line 130 of file hook_registry.c.

Function Documentation

__attribute__()

__attribute__

(

(noinline)

)

Definition at line 136 of file hook_registry.c.

chain_detour_a()

int chain_detour_a ( int value )

static

Definition at line 146 of file hook_registry.c.

References chain_log(), and chain_original_a.

Referenced by test_function_hooks_chain_and_detach().

chain_detour_b()

int chain_detour_b ( int value )

static

Definition at line 152 of file hook_registry.c.

References chain_log(), and chain_original_b.

Referenced by test_function_hooks_chain_and_detach().

chain_log()

void chain_log ( int id )

static

Definition at line 141 of file hook_registry.c.

References chain_call_count, chain_call_log, DTTR_TEST_ARRAY_COUNT, and id.

Referenced by chain_detour_a(), and chain_detour_b().

test_cleanup_all_restores_hooks_and_allows_reuse()

void test_cleanup_all_restores_hooks_and_allows_reuse ( void ** state )

static

Definition at line 84 of file hook_registry.c.

References DTTR_Core_HookCleanupAll(), DTTR_Core_HookPatchBytes(), state, and target.

test_function_hooks_chain_and_detach()

void test_function_hooks_chain_and_detach ( void ** state )

static

Definition at line 158 of file hook_registry.c.

References chain_call_count, chain_call_log, chain_detour_a(), chain_detour_b(), chain_original_a, chain_original_b, DTTR_Core_HookAttachFunction(), DTTR_Core_HookCleanupAll(), DTTR_Core_HookDetach(), NULL, and state.

test_overlapping_byte_patches_are_rejected()

void test_overlapping_byte_patches_are_rejected ( void ** state )

static

Definition at line 103 of file hook_registry.c.

References DTTR_Core_HookCleanupAll(), DTTR_Core_HookDetach(), DTTR_Core_HookPatchBytes(), state, and target.

test_owner_detach_only_detaches_matching_owner()

void test_owner_detach_only_detaches_matching_owner ( void ** state )

static

Definition at line 50 of file hook_registry.c.

References DTTR_Core_HookCleanupAll(), DTTR_Core_HookDetachOwner(), DTTR_Core_HookPatchBytes(), DTTR_Core_HookSetOwner(), and state.

test_patch_bytes_detach_restores_original()

void test_patch_bytes_detach_restores_original ( void ** state )

static

Definition at line 10 of file hook_registry.c.

References DTTR_Core_HookCleanupAll(), DTTR_Core_HookDetach(), DTTR_Core_HookPatchBytes(), patch_target, and state.

test_pointer_hook_detach_restores_original()

void test_pointer_hook_detach_restores_original ( void ** state )

static

Definition at line 29 of file hook_registry.c.

References DTTR_Core_HookAttachPointer(), DTTR_Core_HookCleanupAll(), DTTR_Core_HookDetach(), NULL, pointer_target, and state.

Variable Documentation

chain_call_count

size_t chain_call_count = 0

static

Definition at line 134 of file hook_registry.c.

Referenced by chain_log(), and test_function_hooks_chain_and_detach().

chain_call_log

int chain_call_log[2]

static

Definition at line 133 of file hook_registry.c.

Referenced by chain_log(), and test_function_hooks_chain_and_detach().

chain_original_a

hook_target_fn chain_original_a = NULL

static

Definition at line 131 of file hook_registry.c.

Referenced by chain_detour_a(), and test_function_hooks_chain_and_detach().

chain_original_b

hook_target_fn chain_original_b = NULL

static

Definition at line 132 of file hook_registry.c.

Referenced by chain_detour_b(), and test_function_hooks_chain_and_detach().

patch_target

uint8_t patch_target[4] = {0x10, 0x20, 0x30, 0x40}

static

Definition at line 7 of file hook_registry.c.

pointer_target

void* pointer_target = (void *)0x11112222u

static

Definition at line 8 of file hook_registry.c.

Referenced by test_pointer_hook_detach_restores_original().

TEST_CASES

const DTTR_TestCase TEST_CASES[]

static

Initial value:

                                      = {
    {"hook-registry-patch-bytes", test_patch_bytes_detach_restores_original},
    {"hook-registry-pointer", test_pointer_hook_detach_restores_original},
    {"hook-registry-owner-detach", test_owner_detach_only_detaches_matching_owner},
    {"hook-registry-cleanup-all", test_cleanup_all_restores_hooks_and_allows_reuse},
    {"hook-registry-overlap", test_overlapping_byte_patches_are_rejected},
    {"hook-registry-function-chain", test_function_hooks_chain_and_detach},
}

Definition at line 201 of file hook_registry.c.