diff options
Diffstat (limited to 'source/Plugins/ABI/SysV-mips64/ABISysV_mips64.cpp')
| -rw-r--r-- | source/Plugins/ABI/SysV-mips64/ABISysV_mips64.cpp | 1877 |
1 files changed, 1091 insertions, 786 deletions
diff --git a/source/Plugins/ABI/SysV-mips64/ABISysV_mips64.cpp b/source/Plugins/ABI/SysV-mips64/ABISysV_mips64.cpp index bf8ab3a658b3..bb83dec5d9df 100644 --- a/source/Plugins/ABI/SysV-mips64/ABISysV_mips64.cpp +++ b/source/Plugins/ABI/SysV-mips64/ABISysV_mips64.cpp @@ -25,899 +25,1204 @@ #include "lldb/Core/RegisterValue.h" #include "lldb/Core/Value.h" #include "lldb/Core/ValueObjectConstResult.h" -#include "lldb/Core/ValueObjectRegister.h" #include "lldb/Core/ValueObjectMemory.h" +#include "lldb/Core/ValueObjectRegister.h" #include "lldb/Symbol/UnwindPlan.h" -#include "lldb/Target/Target.h" #include "lldb/Target/Process.h" #include "lldb/Target/RegisterContext.h" #include "lldb/Target/StackFrame.h" +#include "lldb/Target/Target.h" #include "lldb/Target/Thread.h" using namespace lldb; using namespace lldb_private; -enum dwarf_regnums -{ - dwarf_r0 = 0, - dwarf_r1, - dwarf_r2, - dwarf_r3, - dwarf_r4, - dwarf_r5, - dwarf_r6, - dwarf_r7, - dwarf_r8, - dwarf_r9, - dwarf_r10, - dwarf_r11, - dwarf_r12, - dwarf_r13, - dwarf_r14, - dwarf_r15, - dwarf_r16, - dwarf_r17, - dwarf_r18, - dwarf_r19, - dwarf_r20, - dwarf_r21, - dwarf_r22, - dwarf_r23, - dwarf_r24, - dwarf_r25, - dwarf_r26, - dwarf_r27, - dwarf_r28, - dwarf_r29, - dwarf_r30, - dwarf_r31, - dwarf_sr, - dwarf_lo, - dwarf_hi, - dwarf_bad, - dwarf_cause, - dwarf_pc +enum dwarf_regnums { + dwarf_r0 = 0, + dwarf_r1, + dwarf_r2, + dwarf_r3, + dwarf_r4, + dwarf_r5, + dwarf_r6, + dwarf_r7, + dwarf_r8, + dwarf_r9, + dwarf_r10, + dwarf_r11, + dwarf_r12, + dwarf_r13, + dwarf_r14, + dwarf_r15, + dwarf_r16, + dwarf_r17, + dwarf_r18, + dwarf_r19, + dwarf_r20, + dwarf_r21, + dwarf_r22, + dwarf_r23, + dwarf_r24, + dwarf_r25, + dwarf_r26, + dwarf_r27, + dwarf_r28, + dwarf_r29, + dwarf_r30, + dwarf_r31, + dwarf_sr, + dwarf_lo, + dwarf_hi, + dwarf_bad, + dwarf_cause, + dwarf_pc }; -static const RegisterInfo -g_register_infos_mips64[] = -{ - // NAME ALT SZ OFF ENCODING FORMAT EH_FRAME DWARF GENERIC PROCESS PLUGIN LLDB NATIVE VALUE REGS INVALIDATE REGS - // ======== ====== == === ============= ========== ============= ================= ==================== ================= ==================== ========== =============== - { "r0" , "zero", 8, 0, eEncodingUint, eFormatHex, { dwarf_r0, dwarf_r0, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r1" , "AT", 8, 0, eEncodingUint, eFormatHex, { dwarf_r1, dwarf_r1, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r2" , "v0", 8, 0, eEncodingUint, eFormatHex, { dwarf_r2, dwarf_r2, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r3" , "v1", 8, 0, eEncodingUint, eFormatHex, { dwarf_r3, dwarf_r3, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r4" , "arg1", 8, 0, eEncodingUint, eFormatHex, { dwarf_r4, dwarf_r4, LLDB_REGNUM_GENERIC_ARG1, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r5" , "arg2", 8, 0, eEncodingUint, eFormatHex, { dwarf_r5, dwarf_r5, LLDB_REGNUM_GENERIC_ARG2, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r6" , "arg3", 8, 0, eEncodingUint, eFormatHex, { dwarf_r6, dwarf_r6, LLDB_REGNUM_GENERIC_ARG3, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r7" , "arg4", 8, 0, eEncodingUint, eFormatHex, { dwarf_r7, dwarf_r7, LLDB_REGNUM_GENERIC_ARG4, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r8" , "arg5", 8, 0, eEncodingUint, eFormatHex, { dwarf_r8, dwarf_r8, LLDB_REGNUM_GENERIC_ARG5, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r9" , "arg6", 8, 0, eEncodingUint, eFormatHex, { dwarf_r9, dwarf_r9, LLDB_REGNUM_GENERIC_ARG6, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r10" , "arg7", 8, 0, eEncodingUint, eFormatHex, { dwarf_r10, dwarf_r10, LLDB_REGNUM_GENERIC_ARG7, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r11" , "arg8", 8, 0, eEncodingUint, eFormatHex, { dwarf_r11, dwarf_r11, LLDB_REGNUM_GENERIC_ARG8, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r12" , nullptr,8, 0, eEncodingUint, eFormatHex, { dwarf_r12, dwarf_r12, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r13" , nullptr,8, 0, eEncodingUint, eFormatHex, { dwarf_r13, dwarf_r13, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r14" , nullptr,8, 0, eEncodingUint, eFormatHex, { dwarf_r14, dwarf_r14, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r15" , nullptr,8, 0, eEncodingUint, eFormatHex, { dwarf_r15, dwarf_r15, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r16" , nullptr,8, 0, eEncodingUint, eFormatHex, { dwarf_r16, dwarf_r16, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r17" , nullptr,8, 0, eEncodingUint, eFormatHex, { dwarf_r17, dwarf_r17, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r18" , nullptr,8, 0, eEncodingUint, eFormatHex, { dwarf_r18, dwarf_r18, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r19" , nullptr,8, 0, eEncodingUint, eFormatHex, { dwarf_r19, dwarf_r19, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r20" , nullptr,8, 0, eEncodingUint, eFormatHex, { dwarf_r20, dwarf_r20, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r21" , nullptr,8, 0, eEncodingUint, eFormatHex, { dwarf_r21, dwarf_r21, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r22" , nullptr,8, 0, eEncodingUint, eFormatHex, { dwarf_r22, dwarf_r22, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r23" , nullptr,8, 0, eEncodingUint, eFormatHex, { dwarf_r23, dwarf_r23, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r24" , nullptr,8, 0, eEncodingUint, eFormatHex, { dwarf_r24, dwarf_r24, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r25" , nullptr,8, 0, eEncodingUint, eFormatHex, { dwarf_r25, dwarf_r25, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r26" , nullptr,8, 0, eEncodingUint, eFormatHex, { dwarf_r26, dwarf_r26, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r27" , nullptr,8, 0, eEncodingUint, eFormatHex, { dwarf_r27, dwarf_r27, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r28" , "gp", 8, 0, eEncodingUint, eFormatHex, { dwarf_r28, dwarf_r28, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r29" , "sp", 8, 0, eEncodingUint, eFormatHex, { dwarf_r29, dwarf_r29, LLDB_REGNUM_GENERIC_SP, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r30" , "fp", 8, 0, eEncodingUint, eFormatHex, { dwarf_r30, dwarf_r30, LLDB_REGNUM_GENERIC_FP, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r31" , "ra", 8, 0, eEncodingUint, eFormatHex, { dwarf_r31, dwarf_r31, LLDB_REGNUM_GENERIC_RA, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "sr" , nullptr,4, 0, eEncodingUint, eFormatHex, { dwarf_sr, dwarf_sr, LLDB_REGNUM_GENERIC_FLAGS, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "lo" , nullptr,8, 0, eEncodingUint, eFormatHex, { dwarf_lo, dwarf_lo, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "hi" , nullptr,8, 0, eEncodingUint, eFormatHex, { dwarf_hi, dwarf_hi, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "bad" , nullptr,8, 0, eEncodingUint, eFormatHex, { dwarf_bad, dwarf_bad, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "cause" , nullptr,8, 0, eEncodingUint, eFormatHex, { dwarf_cause, dwarf_cause, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "pc" , nullptr,8, 0, eEncodingUint, eFormatHex, { dwarf_pc, dwarf_pc, LLDB_REGNUM_GENERIC_PC, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, +static const RegisterInfo g_register_infos_mips64[] = { + // NAME ALT SZ OFF ENCODING FORMAT EH_FRAME + // DWARF GENERIC PROCESS PLUGIN + // LLDB NATIVE + // ======== ====== == === ============= ========== ============= + // ================= ==================== ================= + // ==================== + {"r0", + "zero", + 8, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r0, dwarf_r0, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r1", + "AT", + 8, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r1, dwarf_r1, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r2", + "v0", + 8, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r2, dwarf_r2, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r3", + "v1", + 8, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r3, dwarf_r3, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r4", + "arg1", + 8, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r4, dwarf_r4, LLDB_REGNUM_GENERIC_ARG1, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r5", + "arg2", + 8, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r5, dwarf_r5, LLDB_REGNUM_GENERIC_ARG2, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r6", + "arg3", + 8, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r6, dwarf_r6, LLDB_REGNUM_GENERIC_ARG3, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r7", + "arg4", + 8, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r7, dwarf_r7, LLDB_REGNUM_GENERIC_ARG4, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r8", + "arg5", + 8, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r8, dwarf_r8, LLDB_REGNUM_GENERIC_ARG5, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r9", + "arg6", + 8, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r9, dwarf_r9, LLDB_REGNUM_GENERIC_ARG6, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r10", + "arg7", + 8, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r10, dwarf_r10, LLDB_REGNUM_GENERIC_ARG7, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r11", + "arg8", + 8, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r11, dwarf_r11, LLDB_REGNUM_GENERIC_ARG8, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r12", + nullptr, + 8, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r12, dwarf_r12, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r13", + nullptr, + 8, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r13, dwarf_r13, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r14", + nullptr, + 8, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r14, dwarf_r14, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r15", + nullptr, + 8, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r15, dwarf_r15, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r16", + nullptr, + 8, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r16, dwarf_r16, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r17", + nullptr, + 8, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r17, dwarf_r17, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r18", + nullptr, + 8, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r18, dwarf_r18, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r19", + nullptr, + 8, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r19, dwarf_r19, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r20", + nullptr, + 8, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r20, dwarf_r20, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r21", + nullptr, + 8, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r21, dwarf_r21, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r22", + nullptr, + 8, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r22, dwarf_r22, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r23", + nullptr, + 8, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r23, dwarf_r23, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r24", + nullptr, + 8, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r24, dwarf_r24, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r25", + nullptr, + 8, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r25, dwarf_r25, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r26", + nullptr, + 8, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r26, dwarf_r26, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r27", + nullptr, + 8, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r27, dwarf_r27, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r28", + "gp", + 8, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r28, dwarf_r28, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r29", + "sp", + 8, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r29, dwarf_r29, LLDB_REGNUM_GENERIC_SP, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r30", + "fp", + 8, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r30, dwarf_r30, LLDB_REGNUM_GENERIC_FP, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r31", + "ra", + 8, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r31, dwarf_r31, LLDB_REGNUM_GENERIC_RA, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"sr", + nullptr, + 4, + 0, + eEncodingUint, + eFormatHex, + {dwarf_sr, dwarf_sr, LLDB_REGNUM_GENERIC_FLAGS, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"lo", + nullptr, + 8, + 0, + eEncodingUint, + eFormatHex, + {dwarf_lo, dwarf_lo, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"hi", + nullptr, + 8, + 0, + eEncodingUint, + eFormatHex, + {dwarf_hi, dwarf_hi, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"bad", + nullptr, + 8, + 0, + eEncodingUint, + eFormatHex, + {dwarf_bad, dwarf_bad, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"cause", + nullptr, + 8, + 0, + eEncodingUint, + eFormatHex, + {dwarf_cause, dwarf_cause, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"pc", + nullptr, + 8, + 0, + eEncodingUint, + eFormatHex, + {dwarf_pc, dwarf_pc, LLDB_REGNUM_GENERIC_PC, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, }; -static const uint32_t k_num_register_infos = llvm::array_lengthof(g_register_infos_mips64); +static const uint32_t k_num_register_infos = + llvm::array_lengthof(g_register_infos_mips64); const lldb_private::RegisterInfo * -ABISysV_mips64::GetRegisterInfoArray (uint32_t &count) -{ - count = k_num_register_infos; - return g_register_infos_mips64; +ABISysV_mips64::GetRegisterInfoArray(uint32_t &count) { + count = k_num_register_infos; + return g_register_infos_mips64; } -size_t -ABISysV_mips64::GetRedZoneSize () const -{ - return 0; -} +size_t ABISysV_mips64::GetRedZoneSize() const { return 0; } //------------------------------------------------------------------ // Static Functions //------------------------------------------------------------------ ABISP -ABISysV_mips64::CreateInstance (const ArchSpec &arch) -{ - static ABISP g_abi_sp; - const llvm::Triple::ArchType arch_type = arch.GetTriple().getArch(); - if ((arch_type == llvm::Triple::mips64) || - (arch_type == llvm::Triple::mips64el)) - { - if (!g_abi_sp) - g_abi_sp.reset (new ABISysV_mips64); - return g_abi_sp; - } - return ABISP(); +ABISysV_mips64::CreateInstance(const ArchSpec &arch) { + static ABISP g_abi_sp; + const llvm::Triple::ArchType arch_type = arch.GetTriple().getArch(); + if ((arch_type == llvm::Triple::mips64) || + (arch_type == llvm::Triple::mips64el)) { + if (!g_abi_sp) + g_abi_sp.reset(new ABISysV_mips64); + return g_abi_sp; + } + return ABISP(); } -bool -ABISysV_mips64::PrepareTrivialCall (Thread &thread, - addr_t sp, - addr_t func_addr, - addr_t return_addr, - llvm::ArrayRef<addr_t> args) const -{ - Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS)); - - if (log) - { - StreamString s; - s.Printf("ABISysV_mips64::PrepareTrivialCall (tid = 0x%" PRIx64 ", sp = 0x%" PRIx64 ", func_addr = 0x%" PRIx64 ", return_addr = 0x%" PRIx64, - thread.GetID(), - (uint64_t)sp, - (uint64_t)func_addr, - (uint64_t)return_addr); - - for (size_t i = 0; i < args.size(); ++i) - s.Printf (", arg%zd = 0x%" PRIx64, i + 1, args[i]); - s.PutCString (")"); - log->PutCString(s.GetString().c_str()); - } - - RegisterContext *reg_ctx = thread.GetRegisterContext().get(); - if (!reg_ctx) - return false; +bool ABISysV_mips64::PrepareTrivialCall(Thread &thread, addr_t sp, + addr_t func_addr, addr_t return_addr, + llvm::ArrayRef<addr_t> args) const { + Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_EXPRESSIONS)); - const RegisterInfo *reg_info = nullptr; - - if (args.size() > 8) // TODO handle more than 8 arguments - return false; + if (log) { + StreamString s; + s.Printf("ABISysV_mips64::PrepareTrivialCall (tid = 0x%" PRIx64 + ", sp = 0x%" PRIx64 ", func_addr = 0x%" PRIx64 + ", return_addr = 0x%" PRIx64, + thread.GetID(), (uint64_t)sp, (uint64_t)func_addr, + (uint64_t)return_addr); for (size_t i = 0; i < args.size(); ++i) - { - reg_info = reg_ctx->GetRegisterInfo(eRegisterKindGeneric, LLDB_REGNUM_GENERIC_ARG1 + i); - if (log) - log->Printf("About to write arg%zd (0x%" PRIx64 ") into %s", i + 1, args[i], reg_info->name); - if (!reg_ctx->WriteRegisterFromUnsigned(reg_info, args[i])) - return false; - } - - // First, align the SP + s.Printf(", arg%zd = 0x%" PRIx64, i + 1, args[i]); + s.PutCString(")"); + log->PutString(s.GetString()); + } - if (log) - log->Printf("16-byte aligning SP: 0x%" PRIx64 " to 0x%" PRIx64, (uint64_t)sp, (uint64_t)(sp & ~0xfull)); + RegisterContext *reg_ctx = thread.GetRegisterContext().get(); + if (!reg_ctx) + return false; - sp &= ~(0xfull); // 16-byte alignment + const RegisterInfo *reg_info = nullptr; - Error error; - const RegisterInfo *pc_reg_info = reg_ctx->GetRegisterInfo (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_PC); - const RegisterInfo *sp_reg_info = reg_ctx->GetRegisterInfo (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_SP); - const RegisterInfo *ra_reg_info = reg_ctx->GetRegisterInfo (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_RA); - const RegisterInfo *r25_info = reg_ctx->GetRegisterInfoByName("r25", 0); - const RegisterInfo *r0_info = reg_ctx->GetRegisterInfoByName("zero", 0); + if (args.size() > 8) // TODO handle more than 8 arguments + return false; + for (size_t i = 0; i < args.size(); ++i) { + reg_info = reg_ctx->GetRegisterInfo(eRegisterKindGeneric, + LLDB_REGNUM_GENERIC_ARG1 + i); if (log) - log->Printf("Writing R0: 0x%" PRIx64, (uint64_t)0); - - /* Write r0 with 0, in case we are stopped in syscall, - * such setting prevents automatic decrement of the PC. - * This clears the bug 23659 for MIPS. - */ - if (!reg_ctx->WriteRegisterFromUnsigned (r0_info, (uint64_t)0)) - return false; + log->Printf("About to write arg%zd (0x%" PRIx64 ") into %s", i + 1, + args[i], reg_info->name); + if (!reg_ctx->WriteRegisterFromUnsigned(reg_info, args[i])) + return false; + } + + // First, align the SP + + if (log) + log->Printf("16-byte aligning SP: 0x%" PRIx64 " to 0x%" PRIx64, + (uint64_t)sp, (uint64_t)(sp & ~0xfull)); + + sp &= ~(0xfull); // 16-byte alignment + + Error error; + const RegisterInfo *pc_reg_info = + reg_ctx->GetRegisterInfo(eRegisterKindGeneric, LLDB_REGNUM_GENERIC_PC); + const RegisterInfo *sp_reg_info = + reg_ctx->GetRegisterInfo(eRegisterKindGeneric, LLDB_REGNUM_GENERIC_SP); + const RegisterInfo *ra_reg_info = + reg_ctx->GetRegisterInfo(eRegisterKindGeneric, LLDB_REGNUM_GENERIC_RA); + const RegisterInfo *r25_info = reg_ctx->GetRegisterInfoByName("r25", 0); + const RegisterInfo *r0_info = reg_ctx->GetRegisterInfoByName("zero", 0); + + if (log) + log->Printf("Writing R0: 0x%" PRIx64, (uint64_t)0); + + /* Write r0 with 0, in case we are stopped in syscall, + * such setting prevents automatic decrement of the PC. + * This clears the bug 23659 for MIPS. + */ + if (!reg_ctx->WriteRegisterFromUnsigned(r0_info, (uint64_t)0)) + return false; - if (log) - log->Printf("Writing SP: 0x%" PRIx64, (uint64_t)sp); + if (log) + log->Printf("Writing SP: 0x%" PRIx64, (uint64_t)sp); - // Set "sp" to the requested value - if (!reg_ctx->WriteRegisterFromUnsigned (sp_reg_info, sp)) - return false; + // Set "sp" to the requested value + if (!reg_ctx->WriteRegisterFromUnsigned(sp_reg_info, sp)) + return false; - if (log) - log->Printf("Writing RA: 0x%" PRIx64, (uint64_t)return_addr); + if (log) + log->Printf("Writing RA: 0x%" PRIx64, (uint64_t)return_addr); - // Set "ra" to the return address - if (!reg_ctx->WriteRegisterFromUnsigned (ra_reg_info, return_addr)) - return false; + // Set "ra" to the return address + if (!reg_ctx->WriteRegisterFromUnsigned(ra_reg_info, return_addr)) + return false; - if (log) - log->Printf("Writing PC: 0x%" PRIx64, (uint64_t)func_addr); + if (log) + log->Printf("Writing PC: 0x%" PRIx64, (uint64_t)func_addr); - // Set pc to the address of the called function. - if (!reg_ctx->WriteRegisterFromUnsigned (pc_reg_info, func_addr)) - return false; + // Set pc to the address of the called function. + if (!reg_ctx->WriteRegisterFromUnsigned(pc_reg_info, func_addr)) + return false; - if (log) - log->Printf("Writing r25: 0x%" PRIx64, (uint64_t)func_addr); + if (log) + log->Printf("Writing r25: 0x%" PRIx64, (uint64_t)func_addr); - // All callers of position independent functions must place the address of the called function in t9 (r25) - if (!reg_ctx->WriteRegisterFromUnsigned (r25_info, func_addr)) - return false; + // All callers of position independent functions must place the address of the + // called function in t9 (r25) + if (!reg_ctx->WriteRegisterFromUnsigned(r25_info, func_addr)) + return false; - return true; + return true; } -bool -ABISysV_mips64::GetArgumentValues (Thread &thread, ValueList &values) const -{ - return false; +bool ABISysV_mips64::GetArgumentValues(Thread &thread, + ValueList &values) const { + return false; } -Error -ABISysV_mips64::SetReturnValueObject(lldb::StackFrameSP &frame_sp, lldb::ValueObjectSP &new_value_sp) -{ - Error error; - if (!new_value_sp) - { - error.SetErrorString("Empty value object for return value."); - return error; - } +Error ABISysV_mips64::SetReturnValueObject(lldb::StackFrameSP &frame_sp, + lldb::ValueObjectSP &new_value_sp) { + Error error; + if (!new_value_sp) { + error.SetErrorString("Empty value object for return value."); + return error; + } - CompilerType compiler_type = new_value_sp->GetCompilerType(); - if (!compiler_type) - { - error.SetErrorString ("Null clang type for return value."); - return error; - } + CompilerType compiler_type = new_value_sp->GetCompilerType(); + if (!compiler_type) { + error.SetErrorString("Null clang type for return value."); + return error; + } - Thread *thread = frame_sp->GetThread().get(); + Thread *thread = frame_sp->GetThread().get(); - RegisterContext *reg_ctx = thread->GetRegisterContext().get(); + RegisterContext *reg_ctx = thread->GetRegisterContext().get(); - if (!reg_ctx) - error.SetErrorString("no registers are available"); - - DataExtractor data; - Error data_error; - size_t num_bytes = new_value_sp->GetData(data, data_error); - if (data_error.Fail()) - { - error.SetErrorStringWithFormat("Couldn't convert return value to raw data: %s", data_error.AsCString()); - return error; - } + if (!reg_ctx) + error.SetErrorString("no registers are available"); - const uint32_t type_flags = compiler_type.GetTypeInfo(nullptr); - - if (type_flags & eTypeIsScalar || - type_flags & eTypeIsPointer) - { - if (type_flags & eTypeIsInteger || - type_flags & eTypeIsPointer ) - { - lldb::offset_t offset = 0; - - if (num_bytes <= 16) - { - const RegisterInfo *r2_info = reg_ctx->GetRegisterInfoByName("r2", 0); - if (num_bytes <= 8) - { - uint64_t raw_value = data.GetMaxU64(&offset, num_bytes); - - if (!reg_ctx->WriteRegisterFromUnsigned (r2_info, raw_value)) - error.SetErrorString ("failed to write register r2"); - } - else - { - uint64_t raw_value = data.GetMaxU64(&offset, 8); - if (reg_ctx->WriteRegisterFromUnsigned (r2_info, raw_value)) - { - const RegisterInfo *r3_info = reg_ctx->GetRegisterInfoByName("r3", 0); - raw_value = data.GetMaxU64(&offset, num_bytes - offset); - - if (!reg_ctx->WriteRegisterFromUnsigned (r3_info, raw_value)) - error.SetErrorString ("failed to write register r3"); - } - else - error.SetErrorString ("failed to write register r2"); - } - } - else - { - error.SetErrorString("We don't support returning longer than 128 bit integer values at present."); - } - } - else if (type_flags & eTypeIsFloat) - { - error.SetErrorString("TODO: Handle Float Types."); + DataExtractor data; + Error data_error; + size_t num_bytes = new_value_sp->GetData(data, data_error); + if (data_error.Fail()) { + error.SetErrorStringWithFormat( + "Couldn't convert return value to raw data: %s", + data_error.AsCString()); + return error; + } + + const uint32_t type_flags = compiler_type.GetTypeInfo(nullptr); + + if (type_flags & eTypeIsScalar || type_flags & eTypeIsPointer) { + if (type_flags & eTypeIsInteger || type_flags & eTypeIsPointer) { + lldb::offset_t offset = 0; + + if (num_bytes <= 16) { + const RegisterInfo *r2_info = reg_ctx->GetRegisterInfoByName("r2", 0); + if (num_bytes <= 8) { + uint64_t raw_value = data.GetMaxU64(&offset, num_bytes); + + if (!reg_ctx->WriteRegisterFromUnsigned(r2_info, raw_value)) + error.SetErrorString("failed to write register r2"); + } else { + uint64_t raw_value = data.GetMaxU64(&offset, 8); + if (reg_ctx->WriteRegisterFromUnsigned(r2_info, raw_value)) { + const RegisterInfo *r3_info = + reg_ctx->GetRegisterInfoByName("r3", 0); + raw_value = data.GetMaxU64(&offset, num_bytes - offset); + + if (!reg_ctx->WriteRegisterFromUnsigned(r3_info, raw_value)) + error.SetErrorString("failed to write register r3"); + } else + error.SetErrorString("failed to write register r2"); } + } else { + error.SetErrorString("We don't support returning longer than 128 bit " + "integer values at present."); + } + } else if (type_flags & eTypeIsFloat) { + error.SetErrorString("TODO: Handle Float Types."); } - else if (type_flags & eTypeIsVector) - { - error.SetErrorString("returning vector values are not supported"); - } + } else if (type_flags & eTypeIsVector) { + error.SetErrorString("returning vector values are not supported"); + } - return error; + return error; } -ValueObjectSP -ABISysV_mips64::GetReturnValueObjectSimple (Thread &thread, CompilerType &return_compiler_type) const -{ - ValueObjectSP return_valobj_sp; - return return_valobj_sp; +ValueObjectSP ABISysV_mips64::GetReturnValueObjectSimple( + Thread &thread, CompilerType &return_compiler_type) const { + ValueObjectSP return_valobj_sp; + return return_valobj_sp; } -ValueObjectSP -ABISysV_mips64::GetReturnValueObjectImpl (Thread &thread, CompilerType &return_compiler_type) const -{ - ValueObjectSP return_valobj_sp; - Value value; - Error error; - - ExecutionContext exe_ctx (thread.shared_from_this()); - if (exe_ctx.GetTargetPtr() == nullptr || exe_ctx.GetProcessPtr() == nullptr) - return return_valobj_sp; - - value.SetCompilerType(return_compiler_type); - - RegisterContext *reg_ctx = thread.GetRegisterContext().get(); - if (!reg_ctx) - return return_valobj_sp; - - Target *target = exe_ctx.GetTargetPtr(); - const ArchSpec target_arch = target->GetArchitecture(); - ByteOrder target_byte_order = target_arch.GetByteOrder(); - const size_t byte_size = return_compiler_type.GetByteSize(nullptr); - const uint32_t type_flags = return_compiler_type.GetTypeInfo(nullptr); - uint32_t fp_flag = target_arch.GetFlags () & lldb_private::ArchSpec::eMIPS_ABI_FP_mask; - - const RegisterInfo *r2_info = reg_ctx->GetRegisterInfoByName("r2", 0); - const RegisterInfo *r3_info = reg_ctx->GetRegisterInfoByName("r3", 0); - - if (type_flags & eTypeIsScalar || - type_flags & eTypeIsPointer) - { - value.SetValueType(Value::eValueTypeScalar); - - bool success = false; - if (type_flags & eTypeIsInteger || - type_flags & eTypeIsPointer) - { - // Extract the register context so we can read arguments from registers - // In MIPS register "r2" (v0) holds the integer function return values - - uint64_t raw_value = reg_ctx->ReadRegisterAsUnsigned(r2_info, 0); - - const bool is_signed = (type_flags & eTypeIsSigned) != 0; - switch (byte_size) - { - default: - break; - - case sizeof(uint64_t): - if (is_signed) - value.GetScalar() = (int64_t)(raw_value); - else - value.GetScalar() = (uint64_t)(raw_value); - success = true; - break; - - case sizeof(uint32_t): - if (is_signed) - value.GetScalar() = (int32_t)(raw_value & UINT32_MAX); - else - value.GetScalar() = (uint32_t)(raw_value & UINT32_MAX); - success = true; - break; - - case sizeof(uint16_t): - if (is_signed) - value.GetScalar() = (int16_t)(raw_value & UINT16_MAX); - else - value.GetScalar() = (uint16_t)(raw_value & UINT16_MAX); - success = true; - break; - - case sizeof(uint8_t): - if (is_signed) - value.GetScalar() = (int8_t)(raw_value & UINT8_MAX); - else - value.GetScalar() = (uint8_t)(raw_value & UINT8_MAX); - success = true; - break; - } +ValueObjectSP ABISysV_mips64::GetReturnValueObjectImpl( + Thread &thread, CompilerType &return_compiler_type) const { + ValueObjectSP return_valobj_sp; + Value value; + Error error; + + ExecutionContext exe_ctx(thread.shared_from_this()); + if (exe_ctx.GetTargetPtr() == nullptr || exe_ctx.GetProcessPtr() == nullptr) + return return_valobj_sp; + + value.SetCompilerType(return_compiler_type); + + RegisterContext *reg_ctx = thread.GetRegisterContext().get(); + if (!reg_ctx) + return return_valobj_sp; + + Target *target = exe_ctx.GetTargetPtr(); + const ArchSpec target_arch = target->GetArchitecture(); + ByteOrder target_byte_order = target_arch.GetByteOrder(); + const size_t byte_size = return_compiler_type.GetByteSize(nullptr); + const uint32_t type_flags = return_compiler_type.GetTypeInfo(nullptr); + uint32_t fp_flag = + target_arch.GetFlags() & lldb_private::ArchSpec::eMIPS_ABI_FP_mask; + + const RegisterInfo *r2_info = reg_ctx->GetRegisterInfoByName("r2", 0); + const RegisterInfo *r3_info = reg_ctx->GetRegisterInfoByName("r3", 0); + + if (type_flags & eTypeIsScalar || type_flags & eTypeIsPointer) { + value.SetValueType(Value::eValueTypeScalar); + + bool success = false; + if (type_flags & eTypeIsInteger || type_flags & eTypeIsPointer) { + // Extract the register context so we can read arguments from registers + // In MIPS register "r2" (v0) holds the integer function return values + + uint64_t raw_value = reg_ctx->ReadRegisterAsUnsigned(r2_info, 0); + + const bool is_signed = (type_flags & eTypeIsSigned) != 0; + switch (byte_size) { + default: + break; + + case sizeof(uint64_t): + if (is_signed) + value.GetScalar() = (int64_t)(raw_value); + else + value.GetScalar() = (uint64_t)(raw_value); + success = true; + break; + + case sizeof(uint32_t): + if (is_signed) + value.GetScalar() = (int32_t)(raw_value & UINT32_MAX); + else + value.GetScalar() = (uint32_t)(raw_value & UINT32_MAX); + success = true; + break; + + case sizeof(uint16_t): + if (is_signed) + value.GetScalar() = (int16_t)(raw_value & UINT16_MAX); + else + value.GetScalar() = (uint16_t)(raw_value & UINT16_MAX); + success = true; + break; + + case sizeof(uint8_t): + if (is_signed) + value.GetScalar() = (int8_t)(raw_value & UINT8_MAX); + else + value.GetScalar() = (uint8_t)(raw_value & UINT8_MAX); + success = true; + break; + } + } else if (type_flags & eTypeIsFloat) { + if (type_flags & eTypeIsComplex) { + // Don't handle complex yet. + } else if (IsSoftFloat(fp_flag)) { + uint64_t raw_value = reg_ctx->ReadRegisterAsUnsigned(r2_info, 0); + switch (byte_size) { + case 4: + value.GetScalar() = *((float *)(&raw_value)); + success = true; + break; + case 8: + value.GetScalar() = *((double *)(&raw_value)); + success = true; + break; + case 16: + uint64_t result[2]; + if (target_byte_order == eByteOrderLittle) { + result[0] = raw_value; + result[1] = reg_ctx->ReadRegisterAsUnsigned(r3_info, 0); + value.GetScalar() = *((long double *)(result)); + } else { + result[0] = reg_ctx->ReadRegisterAsUnsigned(r3_info, 0); + result[1] = raw_value; + value.GetScalar() = *((long double *)(result)); + } + success = true; + break; } - else if (type_flags & eTypeIsFloat) - { - if (type_flags & eTypeIsComplex) - { - // Don't handle complex yet. - } - else if (IsSoftFloat(fp_flag)) - { - uint64_t raw_value = reg_ctx->ReadRegisterAsUnsigned(r2_info, 0); - switch (byte_size) - { - case 4: - value.GetScalar() = *((float *)(&raw_value)); - success = true; - break; - case 8: - value.GetScalar() = *((double *)(&raw_value)); - success = true; - break; - case 16: - uint64_t result[2]; - if (target_byte_order == eByteOrderLittle) - { - result[0] = raw_value; - result[1] = reg_ctx->ReadRegisterAsUnsigned(r3_info, 0); - value.GetScalar() = *((long double *)(result)); - } - else - { - result[0] = reg_ctx->ReadRegisterAsUnsigned(r3_info, 0); - result[1] = raw_value; - value.GetScalar() = *((long double *)(result)); - } - success = true; - break; - } + } else { + if (byte_size <= sizeof(long double)) { + const RegisterInfo *f0_info = reg_ctx->GetRegisterInfoByName("f0", 0); + + RegisterValue f0_value; + DataExtractor f0_data; + + reg_ctx->ReadRegister(f0_info, f0_value); + + f0_value.GetData(f0_data); + + lldb::offset_t offset = 0; + if (byte_size == sizeof(float)) { + value.GetScalar() = (float)f0_data.GetFloat(&offset); + success = true; + } else if (byte_size == sizeof(double)) { + value.GetScalar() = (double)f0_data.GetDouble(&offset); + success = true; + } else if (byte_size == sizeof(long double)) { + const RegisterInfo *f2_info = + reg_ctx->GetRegisterInfoByName("f2", 0); + RegisterValue f2_value; + DataExtractor f2_data; + reg_ctx->ReadRegister(f2_info, f2_value); + DataExtractor *copy_from_extractor = nullptr; + DataBufferSP data_sp(new DataBufferHeap(16, 0)); + DataExtractor return_ext( + data_sp, target_byte_order, + target->GetArchitecture().GetAddressByteSize()); + + if (target_byte_order == eByteOrderLittle) { + copy_from_extractor = &f0_data; + copy_from_extractor->CopyByteOrderedData( + 0, 8, data_sp->GetBytes(), byte_size - 8, target_byte_order); + f2_value.GetData(f2_data); + copy_from_extractor = &f2_data; + copy_from_extractor->CopyByteOrderedData( + 0, 8, data_sp->GetBytes() + 8, byte_size - 8, + target_byte_order); + } else { + copy_from_extractor = &f0_data; + copy_from_extractor->CopyByteOrderedData( + 0, 8, data_sp->GetBytes() + 8, byte_size - 8, + target_byte_order); + f2_value.GetData(f2_data); + copy_from_extractor = &f2_data; + copy_from_extractor->CopyByteOrderedData( + 0, 8, data_sp->GetBytes(), byte_size - 8, target_byte_order); } - else - { - if (byte_size <= sizeof(long double)) - { - const RegisterInfo *f0_info = reg_ctx->GetRegisterInfoByName("f0", 0); - - RegisterValue f0_value; - DataExtractor f0_data; - - reg_ctx->ReadRegister (f0_info, f0_value); - - - f0_value.GetData(f0_data); - - - lldb::offset_t offset = 0; - if (byte_size == sizeof(float)) - { - value.GetScalar() = (float) f0_data.GetFloat(&offset); - success = true; - } - else if (byte_size == sizeof(double)) - { - value.GetScalar() = (double) f0_data.GetDouble(&offset); - success = true; - } - else if (byte_size == sizeof(long double)) - { - const RegisterInfo *f2_info = reg_ctx->GetRegisterInfoByName("f2", 0); - RegisterValue f2_value; - DataExtractor f2_data; - reg_ctx->ReadRegister (f2_info, f2_value); - DataExtractor *copy_from_extractor = nullptr; - DataBufferSP data_sp (new DataBufferHeap(16, 0)); - DataExtractor return_ext (data_sp, - target_byte_order, - target->GetArchitecture().GetAddressByteSize()); - - if (target_byte_order == eByteOrderLittle) - { - copy_from_extractor = &f0_data; - copy_from_extractor->CopyByteOrderedData (0, - 8, - data_sp->GetBytes(), - byte_size - 8, - target_byte_order); - f2_value.GetData(f2_data); - copy_from_extractor = &f2_data; - copy_from_extractor->CopyByteOrderedData (0, - 8, - data_sp->GetBytes() + 8, - byte_size - 8, - target_byte_order); - } - else - { - copy_from_extractor = &f0_data; - copy_from_extractor->CopyByteOrderedData (0, - 8, - data_sp->GetBytes() + 8, - byte_size - 8, - target_byte_order); - f2_value.GetData(f2_data); - copy_from_extractor = &f2_data; - copy_from_extractor->CopyByteOrderedData (0, - 8, - data_sp->GetBytes(), - byte_size - 8, - target_byte_order); - } - - return_valobj_sp = ValueObjectConstResult::Create (&thread, - return_compiler_type, - ConstString(""), - return_ext); - return return_valobj_sp; - } - } - } - } - if (success) - return_valobj_sp = ValueObjectConstResult::Create (thread.GetStackFrameAtIndex(0).get(), - value, - ConstString("")); + return_valobj_sp = ValueObjectConstResult::Create( + &thread, return_compiler_type, ConstString(""), return_ext); + return return_valobj_sp; + } + } + } } - else if (type_flags & eTypeIsStructUnion || - type_flags & eTypeIsClass || - type_flags & eTypeIsVector) - { - // Any structure of up to 16 bytes in size is returned in the registers. - if (byte_size <= 16) - { - DataBufferSP data_sp(new DataBufferHeap(16, 0)); - DataExtractor return_ext(data_sp, target_byte_order, - target->GetArchitecture().GetAddressByteSize()); - - RegisterValue r2_value, r3_value, f0_value, f1_value, f2_value; - // Tracks how much bytes of r2 and r3 registers we've consumed so far - uint32_t integer_bytes = 0; - - // True if return values are in FP return registers. - bool use_fp_regs = 0; - // True if we found any non floating point field in structure. - bool found_non_fp_field = 0; - // True if return values are in r2 register. - bool use_r2 = 0; - // True if return values are in r3 register. - bool use_r3 = 0; - // True if the result is copied into our data buffer - bool sucess = 0; - std::string name; - bool is_complex; - uint32_t count; - const uint32_t num_children = return_compiler_type.GetNumFields(); - - // A structure consisting of one or two FP values (and nothing else) will - // be returned in the two FP return-value registers i.e fp0 and fp2. - - if (num_children <= 2) - { - uint64_t field_bit_offset = 0; - - // Check if this structure contains only floating point fields - for (uint32_t idx = 0; idx < num_children; idx++) - { - CompilerType field_compiler_type = - return_compiler_type.GetFieldAtIndex(idx, name, &field_bit_offset, - nullptr, nullptr); - - if (field_compiler_type.IsFloatingPointType(count, is_complex)) - use_fp_regs = 1; - else - found_non_fp_field = 1; - } - - if (use_fp_regs && !found_non_fp_field) - { - // We have one or two FP-only values in this structure. Get it from - // f0/f2 registers. - DataExtractor f0_data, f1_data, f2_data; - const RegisterInfo *f0_info = reg_ctx->GetRegisterInfoByName("f0", 0); - const RegisterInfo *f1_info = reg_ctx->GetRegisterInfoByName("f1", 0); - const RegisterInfo *f2_info = reg_ctx->GetRegisterInfoByName("f2", 0); - - reg_ctx->ReadRegister(f0_info, f0_value); - reg_ctx->ReadRegister(f2_info, f2_value); - - f0_value.GetData(f0_data); - - - for (uint32_t idx = 0; idx < num_children; idx++) - { - CompilerType field_compiler_type = return_compiler_type.GetFieldAtIndex(idx, name, - &field_bit_offset, - nullptr, nullptr); - const size_t field_byte_width = field_compiler_type.GetByteSize(nullptr); - - DataExtractor *copy_from_extractor = nullptr; - uint64_t return_value[2]; - offset_t offset = 0; - - if (idx == 0) - { - // This case is for long double type. - if (field_byte_width == 16) - { - - // If structure contains long double type, then it is returned - // in fp0/fp1 registers. - - - - if (target_byte_order == eByteOrderLittle) - { - return_value[0] = f0_data.GetU64(&offset); - reg_ctx->ReadRegister(f1_info, f1_value); - f1_value.GetData(f1_data); - offset = 0; - return_value[1] = f1_data.GetU64(&offset); - } - else - { - return_value[1] = f0_data.GetU64(&offset); - reg_ctx->ReadRegister(f1_info, f1_value); - f1_value.GetData(f1_data); - offset = 0; - return_value[0] = f1_data.GetU64(&offset); - } - - f0_data.SetData(return_value, field_byte_width, - target_byte_order); - } - copy_from_extractor = &f0_data; // This is in f0, copy from + if (success) + return_valobj_sp = ValueObjectConstResult::Create( + thread.GetStackFrameAtIndex(0).get(), value, ConstString("")); + } else if (type_flags & eTypeIsStructUnion || type_flags & eTypeIsClass || + type_flags & eTypeIsVector) { + // Any structure of up to 16 bytes in size is returned in the registers. + if (byte_size <= 16) { + DataBufferSP data_sp(new DataBufferHeap(16, 0)); + DataExtractor return_ext(data_sp, target_byte_order, + target->GetArchitecture().GetAddressByteSize()); + + RegisterValue r2_value, r3_value, f0_value, f1_value, f2_value; + // Tracks how much bytes of r2 and r3 registers we've consumed so far + uint32_t integer_bytes = 0; + + // True if return values are in FP return registers. + bool use_fp_regs = 0; + // True if we found any non floating point field in structure. + bool found_non_fp_field = 0; + // True if return values are in r2 register. + bool use_r2 = 0; + // True if return values are in r3 register. + bool use_r3 = 0; + // True if the result is copied into our data buffer + bool sucess = 0; + std::string name; + bool is_complex; + uint32_t count; + const uint32_t num_children = return_compiler_type.GetNumFields(); + + // A structure consisting of one or two FP values (and nothing else) will + // be returned in the two FP return-value registers i.e fp0 and fp2. + if (num_children <= 2) { + uint64_t field_bit_offset = 0; + + // Check if this structure contains only floating point fields + for (uint32_t idx = 0; idx < num_children; idx++) { + CompilerType field_compiler_type = + return_compiler_type.GetFieldAtIndex(idx, name, &field_bit_offset, + nullptr, nullptr); + + if (field_compiler_type.IsFloatingPointType(count, is_complex)) + use_fp_regs = 1; + else + found_non_fp_field = 1; + } + + if (use_fp_regs && !found_non_fp_field) { + // We have one or two FP-only values in this structure. Get it from + // f0/f2 registers. + DataExtractor f0_data, f1_data, f2_data; + const RegisterInfo *f0_info = reg_ctx->GetRegisterInfoByName("f0", 0); + const RegisterInfo *f1_info = reg_ctx->GetRegisterInfoByName("f1", 0); + const RegisterInfo *f2_info = reg_ctx->GetRegisterInfoByName("f2", 0); + + reg_ctx->ReadRegister(f0_info, f0_value); + reg_ctx->ReadRegister(f2_info, f2_value); + + f0_value.GetData(f0_data); + + for (uint32_t idx = 0; idx < num_children; idx++) { + CompilerType field_compiler_type = + return_compiler_type.GetFieldAtIndex( + idx, name, &field_bit_offset, nullptr, nullptr); + const size_t field_byte_width = + field_compiler_type.GetByteSize(nullptr); + + DataExtractor *copy_from_extractor = nullptr; + uint64_t return_value[2]; + offset_t offset = 0; + + if (idx == 0) { + // This case is for long double type. + if (field_byte_width == 16) { + + // If structure contains long double type, then it is returned + // in fp0/fp1 registers. + if (target_byte_order == eByteOrderLittle) { + return_value[0] = f0_data.GetU64(&offset); + reg_ctx->ReadRegister(f1_info, f1_value); + f1_value.GetData(f1_data); + offset = 0; + return_value[1] = f1_data.GetU64(&offset); + } else { + return_value[1] = f0_data.GetU64(&offset); + reg_ctx->ReadRegister(f1_info, f1_value); + f1_value.GetData(f1_data); + offset = 0; + return_value[0] = f1_data.GetU64(&offset); + } + + f0_data.SetData(return_value, field_byte_width, + target_byte_order); + } + copy_from_extractor = &f0_data; // This is in f0, copy from // register to our result // structure - } - else - { - f2_value.GetData(f2_data); - // This is in f2, copy from register to our result structure - copy_from_extractor = &f2_data; - } - - // Sanity check to avoid crash - if (!copy_from_extractor || field_byte_width > copy_from_extractor->GetByteSize()) - return return_valobj_sp; - - // copy the register contents into our data buffer - copy_from_extractor->CopyByteOrderedData(0, field_byte_width,data_sp->GetBytes() + (field_bit_offset / 8), - field_byte_width, target_byte_order); - } - - // The result is in our data buffer. Create a variable object out of - // it - return_valobj_sp = ValueObjectConstResult::Create(&thread, return_compiler_type, ConstString(""), - return_ext); - - return return_valobj_sp; - } - } - - - // If we reach here, it means this structure either contains more than two fields or - // it contains at least one non floating point type. - // In that case, all fields are returned in GP return registers. - for (uint32_t idx = 0; idx < num_children; idx++) - { - uint64_t field_bit_offset = 0; - bool is_signed; - uint32_t padding; - - CompilerType field_compiler_type = return_compiler_type.GetFieldAtIndex(idx, name, &field_bit_offset, nullptr, nullptr); - const size_t field_byte_width = field_compiler_type.GetByteSize(nullptr); - - // if we don't know the size of the field (e.g. invalid type), just bail out - if (field_byte_width == 0) - break; - - uint32_t field_byte_offset = field_bit_offset/8; - - if (field_compiler_type.IsIntegerOrEnumerationType (is_signed) - || field_compiler_type.IsPointerType () - || field_compiler_type.IsFloatingPointType (count, is_complex)) - { - padding = field_byte_offset - integer_bytes; - - if (integer_bytes < 8) - { - // We have not yet consumed r2 completely. - if (integer_bytes + field_byte_width + padding <= 8) - { - // This field fits in r2, copy its value from r2 to our result structure - integer_bytes = integer_bytes + field_byte_width + padding; // Increase the consumed bytes. - use_r2 = 1; - } - else - { - // There isn't enough space left in r2 for this field, so this will be in r3. - integer_bytes = integer_bytes + field_byte_width + padding; // Increase the consumed bytes. - use_r3 = 1; - } - } - // We already have consumed at-least 8 bytes that means r2 is done, and this field will be in r3. - // Check if this field can fit in r3. - else if (integer_bytes + field_byte_width + padding <= 16) - { - integer_bytes = integer_bytes + field_byte_width + padding; - use_r3 = 1; - } - else - { - // There isn't any space left for this field, this should not happen as we have already checked - // the overall size is not greater than 16 bytes. For now, return a nullptr return value object. - return return_valobj_sp; - } - } - } - // Vector types upto 16 bytes are returned in GP return registers - if (type_flags & eTypeIsVector) - { - if (byte_size <= 8) - use_r2 = 1; - else - { - use_r2 = 1; - use_r3 = 1; - } + } else { + f2_value.GetData(f2_data); + // This is in f2, copy from register to our result structure + copy_from_extractor = &f2_data; } - if (use_r2) - { - reg_ctx->ReadRegister (r2_info, r2_value); - - const size_t bytes_copied = r2_value.GetAsMemoryData (r2_info, - data_sp->GetBytes(), - r2_info->byte_size, - target_byte_order, - error); - if (bytes_copied != r2_info->byte_size) - return return_valobj_sp; - sucess = 1; - } - if (use_r3) - { - reg_ctx->ReadRegister (r3_info, r3_value); - const size_t bytes_copied = r3_value.GetAsMemoryData (r3_info, - data_sp->GetBytes() + r2_info->byte_size, - r3_info->byte_size, - target_byte_order, - error); - - if (bytes_copied != r3_info->byte_size) - return return_valobj_sp; - sucess = 1; - } - if (sucess) - { - // The result is in our data buffer. Create a variable object out of it - return_valobj_sp = ValueObjectConstResult::Create (&thread, - return_compiler_type, - ConstString(""), - return_ext); + // Sanity check to avoid crash + if (!copy_from_extractor || + field_byte_width > copy_from_extractor->GetByteSize()) + return return_valobj_sp; + + // copy the register contents into our data buffer + copy_from_extractor->CopyByteOrderedData( + 0, field_byte_width, + data_sp->GetBytes() + (field_bit_offset / 8), field_byte_width, + target_byte_order); + } + + // The result is in our data buffer. Create a variable object out of + // it + return_valobj_sp = ValueObjectConstResult::Create( + &thread, return_compiler_type, ConstString(""), return_ext); + + return return_valobj_sp; + } + } + + // If we reach here, it means this structure either contains more than two + // fields or + // it contains at least one non floating point type. + // In that case, all fields are returned in GP return registers. + for (uint32_t idx = 0; idx < num_children; idx++) { + uint64_t field_bit_offset = 0; + bool is_signed; + uint32_t padding; + + CompilerType field_compiler_type = return_compiler_type.GetFieldAtIndex( + idx, name, &field_bit_offset, nullptr, nullptr); + const size_t field_byte_width = + field_compiler_type.GetByteSize(nullptr); + + // if we don't know the size of the field (e.g. invalid type), just bail + // out + if (field_byte_width == 0) + break; + + uint32_t field_byte_offset = field_bit_offset / 8; + + if (field_compiler_type.IsIntegerOrEnumerationType(is_signed) || + field_compiler_type.IsPointerType() || + field_compiler_type.IsFloatingPointType(count, is_complex)) { + padding = field_byte_offset - integer_bytes; + + if (integer_bytes < 8) { + // We have not yet consumed r2 completely. + if (integer_bytes + field_byte_width + padding <= 8) { + // This field fits in r2, copy its value from r2 to our result + // structure + integer_bytes = integer_bytes + field_byte_width + + padding; // Increase the consumed bytes. + use_r2 = 1; + } else { + // There isn't enough space left in r2 for this field, so this + // will be in r3. + integer_bytes = integer_bytes + field_byte_width + + padding; // Increase the consumed bytes. + use_r3 = 1; } + } + // We already have consumed at-least 8 bytes that means r2 is done, + // and this field will be in r3. + // Check if this field can fit in r3. + else if (integer_bytes + field_byte_width + padding <= 16) { + integer_bytes = integer_bytes + field_byte_width + padding; + use_r3 = 1; + } else { + // There isn't any space left for this field, this should not happen + // as we have already checked + // the overall size is not greater than 16 bytes. For now, return a + // nullptr return value object. return return_valobj_sp; + } + } + } + // Vector types up to 16 bytes are returned in GP return registers + if (type_flags & eTypeIsVector) { + if (byte_size <= 8) + use_r2 = 1; + else { + use_r2 = 1; + use_r3 = 1; } + } + + if (use_r2) { + reg_ctx->ReadRegister(r2_info, r2_value); + + const size_t bytes_copied = r2_value.GetAsMemoryData( + r2_info, data_sp->GetBytes(), r2_info->byte_size, target_byte_order, + error); + if (bytes_copied != r2_info->byte_size) + return return_valobj_sp; + sucess = 1; + } + if (use_r3) { + reg_ctx->ReadRegister(r3_info, r3_value); + const size_t bytes_copied = r3_value.GetAsMemoryData( + r3_info, data_sp->GetBytes() + r2_info->byte_size, + r3_info->byte_size, target_byte_order, error); + + if (bytes_copied != r3_info->byte_size) + return return_valobj_sp; + sucess = 1; + } + if (sucess) { + // The result is in our data buffer. Create a variable object out of it + return_valobj_sp = ValueObjectConstResult::Create( + &thread, return_compiler_type, ConstString(""), return_ext); + } + return return_valobj_sp; + } - // Any structure/vector greater than 16 bytes in size is returned in memory. - // The pointer to that memory is returned in r2. - uint64_t mem_address = reg_ctx->ReadRegisterAsUnsigned(reg_ctx->GetRegisterInfoByName("r2", 0), 0); + // Any structure/vector greater than 16 bytes in size is returned in memory. + // The pointer to that memory is returned in r2. + uint64_t mem_address = reg_ctx->ReadRegisterAsUnsigned( + reg_ctx->GetRegisterInfoByName("r2", 0), 0); - // We have got the address. Create a memory object out of it - return_valobj_sp = ValueObjectMemory::Create(&thread, - "", - Address(mem_address, nullptr), - return_compiler_type); - } - return return_valobj_sp; + // We have got the address. Create a memory object out of it + return_valobj_sp = ValueObjectMemory::Create( + &thread, "", Address(mem_address, nullptr), return_compiler_type); + } + return return_valobj_sp; } -bool -ABISysV_mips64::CreateFunctionEntryUnwindPlan (UnwindPlan &unwind_plan) -{ - unwind_plan.Clear(); - unwind_plan.SetRegisterKind (eRegisterKindDWARF); +bool ABISysV_mips64::CreateFunctionEntryUnwindPlan(UnwindPlan &unwind_plan) { + unwind_plan.Clear(); + unwind_plan.SetRegisterKind(eRegisterKindDWARF); - UnwindPlan::RowSP row(new UnwindPlan::Row); + UnwindPlan::RowSP row(new UnwindPlan::Row); - // Our Call Frame Address is the stack pointer value - row->GetCFAValue().SetIsRegisterPlusOffset(dwarf_r29, 0); + // Our Call Frame Address is the stack pointer value + row->GetCFAValue().SetIsRegisterPlusOffset(dwarf_r29, 0); - // The previous PC is in the RA - row->SetRegisterLocationToRegister(dwarf_pc, dwarf_r31, true); - unwind_plan.AppendRow (row); + // The previous PC is in the RA + row->SetRegisterLocationToRegister(dwarf_pc, dwarf_r31, true); + unwind_plan.AppendRow(row); - // All other registers are the same. + // All other registers are the same. - unwind_plan.SetSourceName ("mips64 at-func-entry default"); - unwind_plan.SetSourcedFromCompiler (eLazyBoolNo); - unwind_plan.SetReturnAddressRegister(dwarf_r31); - return true; + unwind_plan.SetSourceName("mips64 at-func-entry default"); + unwind_plan.SetSourcedFromCompiler(eLazyBoolNo); + unwind_plan.SetReturnAddressRegister(dwarf_r31); + return true; } -bool -ABISysV_mips64::CreateDefaultUnwindPlan (UnwindPlan &unwind_plan) -{ - unwind_plan.Clear(); - unwind_plan.SetRegisterKind (eRegisterKindDWARF); +bool ABISysV_mips64::CreateDefaultUnwindPlan(UnwindPlan &unwind_plan) { + unwind_plan.Clear(); + unwind_plan.SetRegisterKind(eRegisterKindDWARF); - UnwindPlan::RowSP row(new UnwindPlan::Row); + UnwindPlan::RowSP row(new UnwindPlan::Row); - row->GetCFAValue().SetIsRegisterPlusOffset(dwarf_r29, 0); + row->GetCFAValue().SetIsRegisterPlusOffset(dwarf_r29, 0); - row->SetRegisterLocationToRegister(dwarf_pc, dwarf_r31, true); + row->SetRegisterLocationToRegister(dwarf_pc, dwarf_r31, true); - unwind_plan.AppendRow (row); - unwind_plan.SetSourceName ("mips64 default unwind plan"); - unwind_plan.SetSourcedFromCompiler (eLazyBoolNo); - unwind_plan.SetUnwindPlanValidAtAllInstructions (eLazyBoolNo); - return true; + unwind_plan.AppendRow(row); + unwind_plan.SetSourceName("mips64 default unwind plan"); + unwind_plan.SetSourcedFromCompiler(eLazyBoolNo); + unwind_plan.SetUnwindPlanValidAtAllInstructions(eLazyBoolNo); + return true; } -bool -ABISysV_mips64::RegisterIsVolatile (const RegisterInfo *reg_info) -{ - return !RegisterIsCalleeSaved (reg_info); +bool ABISysV_mips64::RegisterIsVolatile(const RegisterInfo *reg_info) { + return !RegisterIsCalleeSaved(reg_info); } -bool -ABISysV_mips64::IsSoftFloat (uint32_t fp_flag) const -{ - return (fp_flag == lldb_private::ArchSpec::eMIPS_ABI_FP_SOFT); +bool ABISysV_mips64::IsSoftFloat(uint32_t fp_flag) const { + return (fp_flag == lldb_private::ArchSpec::eMIPS_ABI_FP_SOFT); } -bool -ABISysV_mips64::RegisterIsCalleeSaved (const RegisterInfo *reg_info) -{ - if (reg_info) - { - // Preserved registers are : - // r16-r23, r28, r29, r30, r31 +bool ABISysV_mips64::RegisterIsCalleeSaved(const RegisterInfo *reg_info) { + if (reg_info) { + // Preserved registers are : + // r16-r23, r28, r29, r30, r31 - int reg = ((reg_info->byte_offset) / 8); + int reg = ((reg_info->byte_offset) / 8); - bool save = (reg >= 16) && (reg <= 23); - save |= (reg >= 28) && (reg <= 31); + bool save = (reg >= 16) && (reg <= 23); + save |= (reg >= 28) && (reg <= 31); - return save; - } - return false; + return save; + } + return false; } -void -ABISysV_mips64::Initialize() -{ - PluginManager::RegisterPlugin (GetPluginNameStatic(), - "System V ABI for mips64 targets", - CreateInstance); +void ABISysV_mips64::Initialize() { + PluginManager::RegisterPlugin( + GetPluginNameStatic(), "System V ABI for mips64 targets", CreateInstance); } -void -ABISysV_mips64::Terminate() -{ - PluginManager::UnregisterPlugin (CreateInstance); +void ABISysV_mips64::Terminate() { + PluginManager::UnregisterPlugin(CreateInstance); } -lldb_private::ConstString -ABISysV_mips64::GetPluginNameStatic() -{ - static ConstString g_name("sysv-mips64"); - return g_name; +lldb_private::ConstString ABISysV_mips64::GetPluginNameStatic() { + static ConstString g_name("sysv-mips64"); + return g_name; } //------------------------------------------------------------------ // PluginInterface protocol //------------------------------------------------------------------ -lldb_private::ConstString -ABISysV_mips64::GetPluginName() -{ - return GetPluginNameStatic(); +lldb_private::ConstString ABISysV_mips64::GetPluginName() { + return GetPluginNameStatic(); } -uint32_t -ABISysV_mips64::GetPluginVersion() -{ - return 1; -} +uint32_t ABISysV_mips64::GetPluginVersion() { return 1; } |