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41 lines
1.3 KiB
C++
41 lines
1.3 KiB
C++
/*
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tests for smc changes memory mapped via mmap, mremap, shmat without mirroring
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*/
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#include "smc-common.h"
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#include <catch2/catch.hpp>
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TEST_CASE("SMC: mmap") {
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auto code = (char *)mmap(0, 4096, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANON, 0, 0);
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CHECK(test(code, "mmap") == 0);
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}
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TEST_CASE("SMC: mremap") {
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auto code = (char *)mmap(0, 4096, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_SHARED | MAP_ANON, 0, 0);
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auto code2 = (char *)mremap(code, 0, 4096, MREMAP_MAYMOVE);
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CHECK(test(code2, "mremap") == 0);
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}
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TEST_CASE("SMC: shmat") {
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auto shm = shmget(IPC_PRIVATE, 4096, IPC_CREAT | 0777);
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auto code = (char *)shmat(shm, nullptr, SHM_EXEC);
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CHECK(test(code, "shmat") == 0);
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}
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TEST_CASE("SMC: shmat_mremap") {
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auto shm = shmget(IPC_PRIVATE, 4096, IPC_CREAT | 0777);
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auto code = (char *)shmat(shm, nullptr, SHM_EXEC);
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auto code2 = (char *)mremap(code, 0, 4096, MREMAP_MAYMOVE);
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CHECK(test(code2, "shmat_mremap") == 0);
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}
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TEST_CASE("SMC: mmap_shmdt") {
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auto shmid = shmget(IPC_PRIVATE, 4096 * 3, IPC_CREAT | 0777);
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auto ptrshm = (char *)shmat(shmid, 0, 0);
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shmctl(shmid, IPC_RMID, NULL);
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auto ptrmmap = (char *)mmap(ptrshm + 4096, 4096, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_FIXED | MAP_PRIVATE | MAP_ANON, 0, 0);
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shmdt(ptrshm);
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CHECK(test(ptrmmap, "mmap_shmdt") == 0);
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}
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