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Add test for switch endianess runtime

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This commit is contained in:
lazymio
2022-02-12 14:35:33 +01:00
parent c2bb5c8838
commit 5683a5484d
1 changed files with 34 additions and 0 deletions
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34
tests/unit/test_arm.c
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@ -695,6 +695,39 @@ static void test_arm_be_cpsr_sctlr()
OK(uc_close(uc)); OK(uc_close(uc));
} }
static void test_arm_switch_endian()
{
uc_engine *uc;
char code[] =
"\x00\x00\x91\xe5"; // ldr r0, [r1]
uint32_t r_r1 = (uint32_t)code_start;
uint32_t r_r0, r_cpsr;
uc_common_setup(&uc, UC_ARCH_ARM, UC_MODE_ARM, code,
sizeof(code) - 1, UC_CPU_ARM_CORTEX_A15);
OK(uc_reg_write(uc, UC_ARM_REG_R1, &r_r1));
OK(uc_emu_start(uc, code_start, code_start + sizeof(code) - 1, 0, 0));
OK(uc_reg_read(uc, UC_ARM_REG_R0, &r_r0));
// Little endian
TEST_CHECK(r_r0 == 0xe5910000);
OK(uc_reg_read(uc, UC_ARM_REG_CPSR, &r_cpsr));
r_cpsr |= (1<<9);
OK(uc_reg_write(uc, UC_ARM_REG_CPSR, &r_cpsr));
OK(uc_emu_start(uc, code_start, code_start + sizeof(code) - 1, 0, 0));
OK(uc_reg_read(uc, UC_ARM_REG_R0, &r_r0));
// Big endian
TEST_CHECK(r_r0 == 0x000091e5);
OK(uc_close(uc));
}
TEST_LIST = {{"test_arm_nop", test_arm_nop}, TEST_LIST = {{"test_arm_nop", test_arm_nop},
{"test_arm_thumb_sub", test_arm_thumb_sub}, {"test_arm_thumb_sub", test_arm_thumb_sub},
{"test_armeb_sub", test_armeb_sub}, {"test_armeb_sub", test_armeb_sub},
@ -715,4 +748,5 @@ TEST_LIST = {{"test_arm_nop", test_arm_nop},
{"test_arm_mem_access_abort", test_arm_mem_access_abort}, {"test_arm_mem_access_abort", test_arm_mem_access_abort},
{"test_arm_read_sctlr", test_arm_read_sctlr}, {"test_arm_read_sctlr", test_arm_read_sctlr},
{"test_arm_be_cpsr_sctlr", test_arm_be_cpsr_sctlr}, {"test_arm_be_cpsr_sctlr", test_arm_be_cpsr_sctlr},
{"test_arm_switch_endian", test_arm_switch_endian},
{NULL, NULL}}; {NULL, NULL}};