| //===-- RegisterContextFreeBSDTests.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 |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // clang-format off |
| #include <sys/types.h> |
| #include <machine/reg.h> |
| #if defined(__arm__) |
| #include <machine/vfp.h> |
| #endif |
| // clang-format on |
| |
| #include "gmock/gmock.h" |
| #include "gtest/gtest.h" |
| |
| #include "Plugins/Process/Utility/lldb-x86-register-enums.h" |
| #include "Plugins/Process/Utility/RegisterContextFreeBSD_i386.h" |
| #include "Plugins/Process/Utility/RegisterContextFreeBSD_x86_64.h" |
| #include "Plugins/Process/Utility/RegisterInfoPOSIX_arm.h" |
| #include "Plugins/Process/Utility/RegisterInfoPOSIX_arm64.h" |
| #include "Plugins/Process/Utility/lldb-arm-register-enums.h" |
| #include "Plugins/Process/Utility/lldb-arm64-register-enums.h" |
| |
| using namespace lldb; |
| using namespace lldb_private; |
| |
| std::pair<size_t, size_t> 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)) |
| |
| #if defined(__x86_64__) |
| |
| #define EXPECT_GPR_X86_64(regname) \ |
| EXPECT_THAT( \ |
| GetRegParams(reg_ctx, lldb_##regname##_x86_64), \ |
| ::testing::Pair(offsetof(reg, r_##regname), sizeof(reg::r_##regname))) |
| #define EXPECT_DBR_X86_64(num) \ |
| EXPECT_OFF(dr##num##_x86_64, offsetof(dbreg, dr[num]), sizeof(dbreg::dr[num])) |
| |
| TEST(RegisterContextFreeBSDTest, x86_64) { |
| ArchSpec arch{"x86_64-unknown-freebsd"}; |
| RegisterContextFreeBSD_x86_64 reg_ctx{arch}; |
| |
| EXPECT_GPR_X86_64(r15); |
| EXPECT_GPR_X86_64(r14); |
| EXPECT_GPR_X86_64(r13); |
| EXPECT_GPR_X86_64(r12); |
| EXPECT_GPR_X86_64(r11); |
| EXPECT_GPR_X86_64(r10); |
| EXPECT_GPR_X86_64(r9); |
| EXPECT_GPR_X86_64(r8); |
| EXPECT_GPR_X86_64(rdi); |
| EXPECT_GPR_X86_64(rsi); |
| EXPECT_GPR_X86_64(rbp); |
| EXPECT_GPR_X86_64(rbx); |
| EXPECT_GPR_X86_64(rdx); |
| EXPECT_GPR_X86_64(rcx); |
| EXPECT_GPR_X86_64(rax); |
| EXPECT_GPR_X86_64(fs); |
| EXPECT_GPR_X86_64(gs); |
| EXPECT_GPR_X86_64(es); |
| EXPECT_GPR_X86_64(ds); |
| EXPECT_GPR_X86_64(rip); |
| EXPECT_GPR_X86_64(cs); |
| EXPECT_GPR_X86_64(rflags); |
| EXPECT_GPR_X86_64(rsp); |
| EXPECT_GPR_X86_64(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__) |
| |
| #if defined(__i386__) || defined(__x86_64__) |
| |
| #define EXPECT_GPR_I386(regname) \ |
| EXPECT_THAT(GetRegParams(reg_ctx, lldb_##regname##_i386), \ |
| ::testing::Pair(offsetof(native_i386_regs, r_##regname), \ |
| sizeof(native_i386_regs::r_##regname))) |
| #define EXPECT_DBR_I386(num) \ |
| EXPECT_OFF(dr##num##_i386, offsetof(native_i386_dbregs, dr[num]), \ |
| sizeof(native_i386_dbregs::dr[num])) |
| |
| TEST(RegisterContextFreeBSDTest, i386) { |
| ArchSpec arch{"i686-unknown-freebsd"}; |
| RegisterContextFreeBSD_i386 reg_ctx{arch}; |
| |
| #if defined(__i386__) |
| using native_i386_regs = ::reg; |
| using native_i386_dbregs = ::dbreg; |
| #else |
| using native_i386_regs = ::reg32; |
| using native_i386_dbregs = ::dbreg32; |
| #endif |
| |
| EXPECT_GPR_I386(fs); |
| EXPECT_GPR_I386(es); |
| EXPECT_GPR_I386(ds); |
| EXPECT_GPR_I386(edi); |
| EXPECT_GPR_I386(esi); |
| EXPECT_GPR_I386(ebp); |
| EXPECT_GPR_I386(ebx); |
| EXPECT_GPR_I386(edx); |
| EXPECT_GPR_I386(ecx); |
| EXPECT_GPR_I386(eax); |
| EXPECT_GPR_I386(eip); |
| EXPECT_GPR_I386(cs); |
| EXPECT_GPR_I386(eflags); |
| EXPECT_GPR_I386(esp); |
| EXPECT_GPR_I386(ss); |
| 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__) |
| |
| #if defined(__arm__) |
| |
| #define EXPECT_GPR_ARM(lldb_reg, fbsd_reg) \ |
| EXPECT_THAT(GetRegParams(reg_ctx, gpr_##lldb_reg##_arm), \ |
| ::testing::Pair(offsetof(reg, fbsd_reg), sizeof(reg::fbsd_reg))) |
| #define EXPECT_FPU_ARM(lldb_reg, fbsd_reg) \ |
| EXPECT_THAT(GetRegParams(reg_ctx, fpu_##lldb_reg##_arm), \ |
| ::testing::Pair(offsetof(vfp_state, fbsd_reg) + base_offset, \ |
| sizeof(vfp_state::fbsd_reg))) |
| |
| TEST(RegisterContextFreeBSDTest, arm) { |
| ArchSpec arch{"arm-unknown-freebsd"}; |
| RegisterInfoPOSIX_arm reg_ctx{arch}; |
| |
| EXPECT_GPR_ARM(r0, r[0]); |
| EXPECT_GPR_ARM(r1, r[1]); |
| EXPECT_GPR_ARM(r2, r[2]); |
| EXPECT_GPR_ARM(r3, r[3]); |
| EXPECT_GPR_ARM(r4, r[4]); |
| EXPECT_GPR_ARM(r5, r[5]); |
| EXPECT_GPR_ARM(r6, r[6]); |
| EXPECT_GPR_ARM(r7, r[7]); |
| EXPECT_GPR_ARM(r8, r[8]); |
| EXPECT_GPR_ARM(r9, r[9]); |
| EXPECT_GPR_ARM(r10, r[10]); |
| EXPECT_GPR_ARM(r11, r[11]); |
| EXPECT_GPR_ARM(r12, r[12]); |
| EXPECT_GPR_ARM(sp, r_sp); |
| EXPECT_GPR_ARM(lr, r_lr); |
| EXPECT_GPR_ARM(pc, r_pc); |
| EXPECT_GPR_ARM(cpsr, r_cpsr); |
| |
| size_t base_offset = reg_ctx.GetRegisterInfo()[fpu_d0_arm].byte_offset; |
| |
| EXPECT_FPU_ARM(d0, reg[0]); |
| EXPECT_FPU_ARM(d1, reg[1]); |
| EXPECT_FPU_ARM(d2, reg[2]); |
| EXPECT_FPU_ARM(d3, reg[3]); |
| EXPECT_FPU_ARM(d4, reg[4]); |
| EXPECT_FPU_ARM(d5, reg[5]); |
| EXPECT_FPU_ARM(d6, reg[6]); |
| EXPECT_FPU_ARM(d7, reg[7]); |
| EXPECT_FPU_ARM(d8, reg[8]); |
| EXPECT_FPU_ARM(d9, reg[9]); |
| EXPECT_FPU_ARM(d10, reg[10]); |
| EXPECT_FPU_ARM(d11, reg[11]); |
| EXPECT_FPU_ARM(d12, reg[12]); |
| EXPECT_FPU_ARM(d13, reg[13]); |
| EXPECT_FPU_ARM(d14, reg[14]); |
| EXPECT_FPU_ARM(d15, reg[15]); |
| EXPECT_FPU_ARM(d16, reg[16]); |
| EXPECT_FPU_ARM(d17, reg[17]); |
| EXPECT_FPU_ARM(d18, reg[18]); |
| EXPECT_FPU_ARM(d19, reg[19]); |
| EXPECT_FPU_ARM(d20, reg[20]); |
| EXPECT_FPU_ARM(d21, reg[21]); |
| EXPECT_FPU_ARM(d22, reg[22]); |
| EXPECT_FPU_ARM(d23, reg[23]); |
| EXPECT_FPU_ARM(d24, reg[24]); |
| EXPECT_FPU_ARM(d25, reg[25]); |
| EXPECT_FPU_ARM(d26, reg[26]); |
| EXPECT_FPU_ARM(d27, reg[27]); |
| EXPECT_FPU_ARM(d28, reg[28]); |
| EXPECT_FPU_ARM(d29, reg[29]); |
| EXPECT_FPU_ARM(d30, reg[30]); |
| EXPECT_FPU_ARM(d31, reg[31]); |
| EXPECT_FPU_ARM(fpscr, fpscr); |
| } |
| |
| #endif // defined(__arm__) |
| |
| #if defined(__aarch64__) |
| |
| #define EXPECT_GPR_ARM64(lldb_reg, fbsd_reg) \ |
| EXPECT_THAT(GetRegParams(reg_ctx, gpr_##lldb_reg##_arm64), \ |
| ::testing::Pair(offsetof(reg, fbsd_reg), sizeof(reg::fbsd_reg))) |
| #define EXPECT_FPU_ARM64(lldb_reg, fbsd_reg) \ |
| EXPECT_THAT(GetRegParams(reg_ctx, fpu_##lldb_reg##_arm64), \ |
| ::testing::Pair(offsetof(fpreg, fbsd_reg) + base_offset, \ |
| sizeof(fpreg::fbsd_reg))) |
| |
| TEST(RegisterContextFreeBSDTest, arm64) { |
| ArchSpec arch{"aarch64-unknown-freebsd"}; |
| RegisterInfoPOSIX_arm64 reg_ctx{arch}; |
| |
| EXPECT_GPR_ARM64(x0, x[0]); |
| EXPECT_GPR_ARM64(x1, x[1]); |
| EXPECT_GPR_ARM64(x2, x[2]); |
| EXPECT_GPR_ARM64(x3, x[3]); |
| EXPECT_GPR_ARM64(x4, x[4]); |
| EXPECT_GPR_ARM64(x5, x[5]); |
| EXPECT_GPR_ARM64(x6, x[6]); |
| EXPECT_GPR_ARM64(x7, x[7]); |
| EXPECT_GPR_ARM64(x8, x[8]); |
| EXPECT_GPR_ARM64(x9, x[9]); |
| EXPECT_GPR_ARM64(x10, x[10]); |
| EXPECT_GPR_ARM64(x11, x[11]); |
| EXPECT_GPR_ARM64(x12, x[12]); |
| EXPECT_GPR_ARM64(x13, x[13]); |
| EXPECT_GPR_ARM64(x14, x[14]); |
| EXPECT_GPR_ARM64(x15, x[15]); |
| EXPECT_GPR_ARM64(x16, x[16]); |
| EXPECT_GPR_ARM64(x17, x[17]); |
| EXPECT_GPR_ARM64(x18, x[18]); |
| EXPECT_GPR_ARM64(x19, x[19]); |
| EXPECT_GPR_ARM64(x20, x[20]); |
| EXPECT_GPR_ARM64(x21, x[21]); |
| EXPECT_GPR_ARM64(x22, x[22]); |
| EXPECT_GPR_ARM64(x23, x[23]); |
| EXPECT_GPR_ARM64(x24, x[24]); |
| EXPECT_GPR_ARM64(x25, x[25]); |
| EXPECT_GPR_ARM64(x26, x[26]); |
| EXPECT_GPR_ARM64(x27, x[27]); |
| EXPECT_GPR_ARM64(x28, x[28]); |
| EXPECT_GPR_ARM64(fp, x[29]); |
| EXPECT_GPR_ARM64(lr, lr); |
| EXPECT_GPR_ARM64(sp, sp); |
| EXPECT_GPR_ARM64(pc, elr); |
| EXPECT_GPR_ARM64(cpsr, spsr); |
| |
| size_t base_offset = reg_ctx.GetRegisterInfo()[fpu_v0_arm64].byte_offset; |
| |
| EXPECT_FPU_ARM64(v0, fp_q[0]); |
| EXPECT_FPU_ARM64(v1, fp_q[1]); |
| EXPECT_FPU_ARM64(v2, fp_q[2]); |
| EXPECT_FPU_ARM64(v3, fp_q[3]); |
| EXPECT_FPU_ARM64(v4, fp_q[4]); |
| EXPECT_FPU_ARM64(v5, fp_q[5]); |
| EXPECT_FPU_ARM64(v6, fp_q[6]); |
| EXPECT_FPU_ARM64(v7, fp_q[7]); |
| EXPECT_FPU_ARM64(v8, fp_q[8]); |
| EXPECT_FPU_ARM64(v9, fp_q[9]); |
| EXPECT_FPU_ARM64(v10, fp_q[10]); |
| EXPECT_FPU_ARM64(v11, fp_q[11]); |
| EXPECT_FPU_ARM64(v12, fp_q[12]); |
| EXPECT_FPU_ARM64(v13, fp_q[13]); |
| EXPECT_FPU_ARM64(v14, fp_q[14]); |
| EXPECT_FPU_ARM64(v15, fp_q[15]); |
| EXPECT_FPU_ARM64(v16, fp_q[16]); |
| EXPECT_FPU_ARM64(v17, fp_q[17]); |
| EXPECT_FPU_ARM64(v18, fp_q[18]); |
| EXPECT_FPU_ARM64(v19, fp_q[19]); |
| EXPECT_FPU_ARM64(v20, fp_q[20]); |
| EXPECT_FPU_ARM64(v21, fp_q[21]); |
| EXPECT_FPU_ARM64(v22, fp_q[22]); |
| EXPECT_FPU_ARM64(v23, fp_q[23]); |
| EXPECT_FPU_ARM64(v24, fp_q[24]); |
| EXPECT_FPU_ARM64(v25, fp_q[25]); |
| EXPECT_FPU_ARM64(v26, fp_q[26]); |
| EXPECT_FPU_ARM64(v27, fp_q[27]); |
| EXPECT_FPU_ARM64(v28, fp_q[28]); |
| EXPECT_FPU_ARM64(v29, fp_q[29]); |
| EXPECT_FPU_ARM64(v30, fp_q[30]); |
| EXPECT_FPU_ARM64(v31, fp_q[31]); |
| EXPECT_FPU_ARM64(fpsr, fp_sr); |
| EXPECT_FPU_ARM64(fpcr, fp_cr); |
| } |
| |
| #endif // defined(__aarch64__) |