diff --git a/lldb/unittests/Process/Utility/CMakeLists.txt b/lldb/unittests/Process/Utility/CMakeLists.txt --- a/lldb/unittests/Process/Utility/CMakeLists.txt +++ b/lldb/unittests/Process/Utility/CMakeLists.txt @@ -1,7 +1,19 @@ +set(NETBSD_SOURCES + RegisterContextNetBSDTest_i386.cpp + RegisterContextNetBSDTest_x86_64.cpp) + +if (CMAKE_SYSTEM_NAME MATCHES "NetBSD") + list(APPEND PLATFORM_SOURCES ${NETBSD_SOURCES}) +endif() + +set(LLVM_OPTIONAL_SOURCES + ${NETBSD_SOURCES}) + add_lldb_unittest(ProcessUtilityTests RegisterContextTest.cpp RegisterContextFreeBSDTest.cpp LinuxProcMapsTest.cpp + ${PLATFORM_SOURCES} LINK_LIBS lldbPluginProcessUtility) diff --git a/lldb/unittests/Process/Utility/RegisterContextNetBSDTest_i386.cpp b/lldb/unittests/Process/Utility/RegisterContextNetBSDTest_i386.cpp new file mode 100644 --- /dev/null +++ b/lldb/unittests/Process/Utility/RegisterContextNetBSDTest_i386.cpp @@ -0,0 +1,118 @@ +//===-- RegisterContextNetBSDTest_i386.cpp --------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#if defined(__i386__) || defined(__x86_64__) + +// clang-format off +#include +#include +// clang-format on + +#include "gmock/gmock.h" +#include "gtest/gtest.h" + +#include "Plugins/Process/Utility/lldb-x86-register-enums.h" +#include "Plugins/Process/Utility/RegisterContextNetBSD_i386.h" + +using namespace lldb; +using namespace lldb_private; + +static std::pair GetRegParams(RegisterInfoInterface &ctx, + uint32_t reg) { + const RegisterInfo &info = ctx.GetRegisterInfo()[reg]; + return {info.byte_offset, info.byte_size}; +} + +#define EXPECT_OFF(regname, offset, size) \ + EXPECT_THAT(GetRegParams(reg_ctx, lldb_##regname), \ + ::testing::Pair(offset + base_offset, size)) + +#define EXPECT_GPR_I386(regname) \ + EXPECT_THAT(GetRegParams(reg_ctx, lldb_##regname##_i386), \ + ::testing::Pair(offsetof(reg, r_##regname), \ + sizeof(reg::r_##regname))) +#define EXPECT_DBR_I386(num) \ + EXPECT_OFF(dr##num##_i386, offsetof(dbreg, dr[num]), \ + sizeof(dbreg::dr[num])) + +TEST(RegisterContextNetBSDTest, i386) { + ArchSpec arch{"i686-unknown-netbsd"}; + RegisterContextNetBSD_i386 reg_ctx{arch}; + + EXPECT_GPR_I386(eax); + EXPECT_GPR_I386(ecx); + EXPECT_GPR_I386(edx); + EXPECT_GPR_I386(ebx); + EXPECT_GPR_I386(esp); + EXPECT_GPR_I386(ebp); + EXPECT_GPR_I386(esi); + EXPECT_GPR_I386(edi); + EXPECT_GPR_I386(eip); + EXPECT_GPR_I386(eflags); + EXPECT_GPR_I386(cs); + EXPECT_GPR_I386(ss); + EXPECT_GPR_I386(ds); + EXPECT_GPR_I386(es); + EXPECT_GPR_I386(fs); + EXPECT_GPR_I386(gs); + + // fctrl is the first FPR field, it is used to determine offset of the whole + // FPR struct + size_t base_offset = reg_ctx.GetRegisterInfo()[lldb_fctrl_i386].byte_offset; + + // assert against FXSAVE struct + EXPECT_OFF(fctrl_i386, 0x00, 2); + EXPECT_OFF(fstat_i386, 0x02, 2); + // TODO: This is a known bug, abridged ftag should is 8 bits in length. + EXPECT_OFF(ftag_i386, 0x04, 2); + EXPECT_OFF(fop_i386, 0x06, 2); + // NB: Technically fiseg/foseg are 16-bit long and the higher 16 bits + // are reserved. However, we use them to access/recombine 64-bit FIP/FDP. + EXPECT_OFF(fioff_i386, 0x08, 4); + EXPECT_OFF(fiseg_i386, 0x0C, 4); + EXPECT_OFF(fooff_i386, 0x10, 4); + EXPECT_OFF(foseg_i386, 0x14, 4); + EXPECT_OFF(mxcsr_i386, 0x18, 4); + EXPECT_OFF(mxcsrmask_i386, 0x1C, 4); + EXPECT_OFF(st0_i386, 0x20, 10); + EXPECT_OFF(st1_i386, 0x30, 10); + EXPECT_OFF(st2_i386, 0x40, 10); + EXPECT_OFF(st3_i386, 0x50, 10); + EXPECT_OFF(st4_i386, 0x60, 10); + EXPECT_OFF(st5_i386, 0x70, 10); + EXPECT_OFF(st6_i386, 0x80, 10); + EXPECT_OFF(st7_i386, 0x90, 10); + EXPECT_OFF(mm0_i386, 0x20, 8); + EXPECT_OFF(mm1_i386, 0x30, 8); + EXPECT_OFF(mm2_i386, 0x40, 8); + EXPECT_OFF(mm3_i386, 0x50, 8); + EXPECT_OFF(mm4_i386, 0x60, 8); + EXPECT_OFF(mm5_i386, 0x70, 8); + EXPECT_OFF(mm6_i386, 0x80, 8); + EXPECT_OFF(mm7_i386, 0x90, 8); + EXPECT_OFF(xmm0_i386, 0xA0, 16); + EXPECT_OFF(xmm1_i386, 0xB0, 16); + EXPECT_OFF(xmm2_i386, 0xC0, 16); + EXPECT_OFF(xmm3_i386, 0xD0, 16); + EXPECT_OFF(xmm4_i386, 0xE0, 16); + EXPECT_OFF(xmm5_i386, 0xF0, 16); + EXPECT_OFF(xmm6_i386, 0x100, 16); + EXPECT_OFF(xmm7_i386, 0x110, 16); + + base_offset = reg_ctx.GetRegisterInfo()[lldb_dr0_i386].byte_offset; + EXPECT_DBR_I386(0); + EXPECT_DBR_I386(1); + EXPECT_DBR_I386(2); + EXPECT_DBR_I386(3); + EXPECT_DBR_I386(4); + EXPECT_DBR_I386(5); + EXPECT_DBR_I386(6); + EXPECT_DBR_I386(7); +} + +#endif // defined(__i386__) || defined(__x86_64__) diff --git a/lldb/unittests/Process/Utility/RegisterContextNetBSDTest_x86_64.cpp b/lldb/unittests/Process/Utility/RegisterContextNetBSDTest_x86_64.cpp new file mode 100644 --- /dev/null +++ b/lldb/unittests/Process/Utility/RegisterContextNetBSDTest_x86_64.cpp @@ -0,0 +1,139 @@ +//===-- RegisterContextNetBSDTest_x86_64.cpp ------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#if defined(__x86_64__) + +// clang-format off +#include +#include +// clang-format on + +#include "gmock/gmock.h" +#include "gtest/gtest.h" + +#include "Plugins/Process/Utility/lldb-x86-register-enums.h" +#include "Plugins/Process/Utility/RegisterContextNetBSD_i386.h" +#include "Plugins/Process/Utility/RegisterContextNetBSD_x86_64.h" + +using namespace lldb; +using namespace lldb_private; + +static std::pair GetRegParams(RegisterInfoInterface &ctx, + uint32_t reg) { + const RegisterInfo &info = ctx.GetRegisterInfo()[reg]; + return {info.byte_offset, info.byte_size}; +} + +#define EXPECT_OFF(regname, offset, size) \ + EXPECT_THAT(GetRegParams(reg_ctx, lldb_##regname), \ + ::testing::Pair(offset + base_offset, size)) + +#define EXPECT_GPR_X86_64(regname, regconst) \ + EXPECT_THAT( \ + GetRegParams(reg_ctx, lldb_##regname##_x86_64), \ + ::testing::Pair(offsetof(reg, regs[regconst]), \ + sizeof(reg::regs[regconst]))) +#define EXPECT_DBR_X86_64(num) \ + EXPECT_OFF(dr##num##_x86_64, offsetof(dbreg, dr[num]), sizeof(dbreg::dr[num])) + +TEST(RegisterContextNetBSDTest, x86_64) { + ArchSpec arch{"x86_64-unknown-netbsd"}; + RegisterContextNetBSD_x86_64 reg_ctx{arch}; + + EXPECT_GPR_X86_64(rdi, _REG_RDI); + EXPECT_GPR_X86_64(rsi, _REG_RSI); + EXPECT_GPR_X86_64(rdx, _REG_RDX); + EXPECT_GPR_X86_64(rcx, _REG_RCX); + EXPECT_GPR_X86_64(r8, _REG_R8); + EXPECT_GPR_X86_64(r9, _REG_R9); + EXPECT_GPR_X86_64(r10, _REG_R10); + EXPECT_GPR_X86_64(r11, _REG_R11); + EXPECT_GPR_X86_64(r12, _REG_R12); + EXPECT_GPR_X86_64(r13, _REG_R13); + EXPECT_GPR_X86_64(r14, _REG_R14); + EXPECT_GPR_X86_64(r15, _REG_R15); + EXPECT_GPR_X86_64(rbp, _REG_RBP); + EXPECT_GPR_X86_64(rbx, _REG_RBX); + EXPECT_GPR_X86_64(rax, _REG_RAX); + EXPECT_GPR_X86_64(gs, _REG_GS); + EXPECT_GPR_X86_64(fs, _REG_FS); + EXPECT_GPR_X86_64(es, _REG_ES); + EXPECT_GPR_X86_64(ds, _REG_DS); + EXPECT_GPR_X86_64(rip, _REG_RIP); + EXPECT_GPR_X86_64(cs, _REG_CS); + EXPECT_GPR_X86_64(rflags, _REG_RFLAGS); + EXPECT_GPR_X86_64(rsp, _REG_RSP); + EXPECT_GPR_X86_64(ss, _REG_SS); + + // fctrl is the first FPR field, it is used to determine offset of the whole + // FPR struct + size_t base_offset = reg_ctx.GetRegisterInfo()[lldb_fctrl_x86_64].byte_offset; + + // assert against FXSAVE struct + EXPECT_OFF(fctrl_x86_64, 0x00, 2); + EXPECT_OFF(fstat_x86_64, 0x02, 2); + // TODO: This is a known bug, abridged ftag should is 8 bits in length. + EXPECT_OFF(ftag_x86_64, 0x04, 2); + EXPECT_OFF(fop_x86_64, 0x06, 2); + // NB: Technically fiseg/foseg are 16-bit long and the higher 16 bits + // are reserved. However, LLDB defines them to be 32-bit long for backwards + // compatibility, as they were used to reconstruct FIP/FDP before explicit + // register entries for them were added. Also, this is still how GDB does it. + EXPECT_OFF(fioff_x86_64, 0x08, 4); + EXPECT_OFF(fiseg_x86_64, 0x0C, 4); + EXPECT_OFF(fip_x86_64, 0x08, 8); + EXPECT_OFF(fooff_x86_64, 0x10, 4); + EXPECT_OFF(foseg_x86_64, 0x14, 4); + EXPECT_OFF(fdp_x86_64, 0x10, 8); + EXPECT_OFF(mxcsr_x86_64, 0x18, 4); + EXPECT_OFF(mxcsrmask_x86_64, 0x1C, 4); + EXPECT_OFF(st0_x86_64, 0x20, 10); + EXPECT_OFF(st1_x86_64, 0x30, 10); + EXPECT_OFF(st2_x86_64, 0x40, 10); + EXPECT_OFF(st3_x86_64, 0x50, 10); + EXPECT_OFF(st4_x86_64, 0x60, 10); + EXPECT_OFF(st5_x86_64, 0x70, 10); + EXPECT_OFF(st6_x86_64, 0x80, 10); + EXPECT_OFF(st7_x86_64, 0x90, 10); + EXPECT_OFF(mm0_x86_64, 0x20, 8); + EXPECT_OFF(mm1_x86_64, 0x30, 8); + EXPECT_OFF(mm2_x86_64, 0x40, 8); + EXPECT_OFF(mm3_x86_64, 0x50, 8); + EXPECT_OFF(mm4_x86_64, 0x60, 8); + EXPECT_OFF(mm5_x86_64, 0x70, 8); + EXPECT_OFF(mm6_x86_64, 0x80, 8); + EXPECT_OFF(mm7_x86_64, 0x90, 8); + EXPECT_OFF(xmm0_x86_64, 0xA0, 16); + EXPECT_OFF(xmm1_x86_64, 0xB0, 16); + EXPECT_OFF(xmm2_x86_64, 0xC0, 16); + EXPECT_OFF(xmm3_x86_64, 0xD0, 16); + EXPECT_OFF(xmm4_x86_64, 0xE0, 16); + EXPECT_OFF(xmm5_x86_64, 0xF0, 16); + EXPECT_OFF(xmm6_x86_64, 0x100, 16); + EXPECT_OFF(xmm7_x86_64, 0x110, 16); + EXPECT_OFF(xmm8_x86_64, 0x120, 16); + EXPECT_OFF(xmm9_x86_64, 0x130, 16); + EXPECT_OFF(xmm10_x86_64, 0x140, 16); + EXPECT_OFF(xmm11_x86_64, 0x150, 16); + EXPECT_OFF(xmm12_x86_64, 0x160, 16); + EXPECT_OFF(xmm13_x86_64, 0x170, 16); + EXPECT_OFF(xmm14_x86_64, 0x180, 16); + EXPECT_OFF(xmm15_x86_64, 0x190, 16); + + base_offset = reg_ctx.GetRegisterInfo()[lldb_dr0_x86_64].byte_offset; + EXPECT_DBR_X86_64(0); + EXPECT_DBR_X86_64(1); + EXPECT_DBR_X86_64(2); + EXPECT_DBR_X86_64(3); + EXPECT_DBR_X86_64(4); + EXPECT_DBR_X86_64(5); + EXPECT_DBR_X86_64(6); + EXPECT_DBR_X86_64(7); +} + +#endif // defined(__x86_64__)