diff options
Diffstat (limited to 'source/Plugins/ABI/SysV-mips/ABISysV_mips.cpp')
| -rw-r--r-- | source/Plugins/ABI/SysV-mips/ABISysV_mips.cpp | 1523 |
1 files changed, 941 insertions, 582 deletions
diff --git a/source/Plugins/ABI/SysV-mips/ABISysV_mips.cpp b/source/Plugins/ABI/SysV-mips/ABISysV_mips.cpp index d6b57f9f3939..b97fffe3efa3 100644 --- a/source/Plugins/ABI/SysV-mips/ABISysV_mips.cpp +++ b/source/Plugins/ABI/SysV-mips/ABISysV_mips.cpp @@ -25,696 +25,1055 @@ #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[] = -{ - // NAME ALT SZ OFF ENCODING FORMAT EH_FRAME DWARF GENERIC PROCESS PLUGINS LLDB NATIVE VALUE REGS INVALIDATE REGS - // ======== ====== == === ============= =========== ============ ============== ============ ================= =================== ========== ================= - { "r0" , "zero", 4, 0, eEncodingUint, eFormatHex, { dwarf_r0, dwarf_r0, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r1" , "AT", 4, 0, eEncodingUint, eFormatHex, { dwarf_r1, dwarf_r1, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r2" , "v0", 4, 0, eEncodingUint, eFormatHex, { dwarf_r2, dwarf_r2, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r3" , "v1", 4, 0, eEncodingUint, eFormatHex, { dwarf_r3, dwarf_r3, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r4" , "arg1", 4, 0, eEncodingUint, eFormatHex, { dwarf_r4, dwarf_r4, LLDB_REGNUM_GENERIC_ARG1, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r5" , "arg2", 4, 0, eEncodingUint, eFormatHex, { dwarf_r5, dwarf_r5, LLDB_REGNUM_GENERIC_ARG2, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r6" , "arg3", 4, 0, eEncodingUint, eFormatHex, { dwarf_r6, dwarf_r6, LLDB_REGNUM_GENERIC_ARG3, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r7" , "arg4", 4, 0, eEncodingUint, eFormatHex, { dwarf_r7, dwarf_r7, LLDB_REGNUM_GENERIC_ARG4, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r8" , "arg5", 4, 0, eEncodingUint, eFormatHex, { dwarf_r8, dwarf_r8, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r9" , "arg6", 4, 0, eEncodingUint, eFormatHex, { dwarf_r9, dwarf_r9, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r10" , "arg7", 4, 0, eEncodingUint, eFormatHex, { dwarf_r10, dwarf_r10, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r11" , "arg8", 4, 0, eEncodingUint, eFormatHex, { dwarf_r11, dwarf_r11, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r12" , nullptr,4, 0, eEncodingUint, eFormatHex, { dwarf_r12, dwarf_r12, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r13" , nullptr,4, 0, eEncodingUint, eFormatHex, { dwarf_r13, dwarf_r13, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r14" , nullptr,4, 0, eEncodingUint, eFormatHex, { dwarf_r14, dwarf_r14, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r15" , nullptr,4, 0, eEncodingUint, eFormatHex, { dwarf_r15, dwarf_r15, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r16" , nullptr,4, 0, eEncodingUint, eFormatHex, { dwarf_r16, dwarf_r16, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r17" , nullptr,4, 0, eEncodingUint, eFormatHex, { dwarf_r17, dwarf_r17, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r18" , nullptr,4, 0, eEncodingUint, eFormatHex, { dwarf_r18, dwarf_r18, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r19" , nullptr,4, 0, eEncodingUint, eFormatHex, { dwarf_r19, dwarf_r19, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r20" , nullptr,4, 0, eEncodingUint, eFormatHex, { dwarf_r20, dwarf_r20, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r21" , nullptr,4, 0, eEncodingUint, eFormatHex, { dwarf_r21, dwarf_r21, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r22" , nullptr,4, 0, eEncodingUint, eFormatHex, { dwarf_r22, dwarf_r22, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r23" , nullptr,4, 0, eEncodingUint, eFormatHex, { dwarf_r23, dwarf_r23, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r24" , nullptr,4, 0, eEncodingUint, eFormatHex, { dwarf_r24, dwarf_r24, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r25" , nullptr,4, 0, eEncodingUint, eFormatHex, { dwarf_r25, dwarf_r25, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r26" , nullptr,4, 0, eEncodingUint, eFormatHex, { dwarf_r26, dwarf_r26, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r27" , nullptr,4, 0, eEncodingUint, eFormatHex, { dwarf_r27, dwarf_r27, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r28" , "gp", 4, 0, eEncodingUint, eFormatHex, { dwarf_r28, dwarf_r28, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r29" , "sp", 4, 0, eEncodingUint, eFormatHex, { dwarf_r29, dwarf_r29, LLDB_REGNUM_GENERIC_SP, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r30" , "fp", 4, 0, eEncodingUint, eFormatHex, { dwarf_r30, dwarf_r30, LLDB_REGNUM_GENERIC_FP, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "r31" , "ra", 4, 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,4, 0, eEncodingUint, eFormatHex, { dwarf_lo, dwarf_lo, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "hi" , nullptr,4, 0, eEncodingUint, eFormatHex, { dwarf_hi, dwarf_hi, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "bad" , nullptr,4, 0, eEncodingUint, eFormatHex, { dwarf_bad, dwarf_bad, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "cause" , nullptr,4, 0, eEncodingUint, eFormatHex, { dwarf_cause, dwarf_cause, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, - { "pc" , nullptr,4, 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[] = { + // NAME ALT SZ OFF ENCODING FORMAT EH_FRAME + // DWARF GENERIC PROCESS PLUGINS + // LLDB NATIVE VALUE REGS INVALIDATE REGS + // ======== ====== == === ============= =========== ============ + // ============== ============ ================= + // =================== ========== ================= + {"r0", + "zero", + 4, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r0, dwarf_r0, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r1", + "AT", + 4, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r1, dwarf_r1, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r2", + "v0", + 4, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r2, dwarf_r2, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r3", + "v1", + 4, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r3, dwarf_r3, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r4", + "arg1", + 4, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r4, dwarf_r4, LLDB_REGNUM_GENERIC_ARG1, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r5", + "arg2", + 4, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r5, dwarf_r5, LLDB_REGNUM_GENERIC_ARG2, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r6", + "arg3", + 4, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r6, dwarf_r6, LLDB_REGNUM_GENERIC_ARG3, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r7", + "arg4", + 4, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r7, dwarf_r7, LLDB_REGNUM_GENERIC_ARG4, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r8", + "arg5", + 4, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r8, dwarf_r8, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r9", + "arg6", + 4, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r9, dwarf_r9, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r10", + "arg7", + 4, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r10, dwarf_r10, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r11", + "arg8", + 4, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r11, dwarf_r11, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r12", + nullptr, + 4, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r12, dwarf_r12, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r13", + nullptr, + 4, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r13, dwarf_r13, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r14", + nullptr, + 4, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r14, dwarf_r14, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r15", + nullptr, + 4, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r15, dwarf_r15, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r16", + nullptr, + 4, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r16, dwarf_r16, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r17", + nullptr, + 4, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r17, dwarf_r17, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r18", + nullptr, + 4, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r18, dwarf_r18, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r19", + nullptr, + 4, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r19, dwarf_r19, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r20", + nullptr, + 4, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r20, dwarf_r20, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r21", + nullptr, + 4, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r21, dwarf_r21, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r22", + nullptr, + 4, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r22, dwarf_r22, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r23", + nullptr, + 4, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r23, dwarf_r23, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r24", + nullptr, + 4, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r24, dwarf_r24, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r25", + nullptr, + 4, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r25, dwarf_r25, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r26", + nullptr, + 4, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r26, dwarf_r26, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r27", + nullptr, + 4, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r27, dwarf_r27, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r28", + "gp", + 4, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r28, dwarf_r28, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r29", + "sp", + 4, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r29, dwarf_r29, LLDB_REGNUM_GENERIC_SP, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r30", + "fp", + 4, + 0, + eEncodingUint, + eFormatHex, + {dwarf_r30, dwarf_r30, LLDB_REGNUM_GENERIC_FP, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"r31", + "ra", + 4, + 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, + 4, + 0, + eEncodingUint, + eFormatHex, + {dwarf_lo, dwarf_lo, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"hi", + nullptr, + 4, + 0, + eEncodingUint, + eFormatHex, + {dwarf_hi, dwarf_hi, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"bad", + nullptr, + 4, + 0, + eEncodingUint, + eFormatHex, + {dwarf_bad, dwarf_bad, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"cause", + nullptr, + 4, + 0, + eEncodingUint, + eFormatHex, + {dwarf_cause, dwarf_cause, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM}, + nullptr, + nullptr, + nullptr, + 0}, + {"pc", + nullptr, + 4, + 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); +static const uint32_t k_num_register_infos = + llvm::array_lengthof(g_register_infos); const lldb_private::RegisterInfo * -ABISysV_mips::GetRegisterInfoArray (uint32_t &count) -{ - count = k_num_register_infos; - return g_register_infos; +ABISysV_mips::GetRegisterInfoArray(uint32_t &count) { + count = k_num_register_infos; + return g_register_infos; } -size_t -ABISysV_mips::GetRedZoneSize () const -{ - return 0; -} +size_t ABISysV_mips::GetRedZoneSize() const { return 0; } //------------------------------------------------------------------ // Static Functions //------------------------------------------------------------------ ABISP -ABISysV_mips::CreateInstance (const ArchSpec &arch) -{ - static ABISP g_abi_sp; - const llvm::Triple::ArchType arch_type = arch.GetTriple().getArch(); - if ((arch_type == llvm::Triple::mips) || - (arch_type == llvm::Triple::mipsel)) - { - if (!g_abi_sp) - g_abi_sp.reset (new ABISysV_mips); - return g_abi_sp; - } - return ABISP(); +ABISysV_mips::CreateInstance(const ArchSpec &arch) { + static ABISP g_abi_sp; + const llvm::Triple::ArchType arch_type = arch.GetTriple().getArch(); + if ((arch_type == llvm::Triple::mips) || + (arch_type == llvm::Triple::mipsel)) { + if (!g_abi_sp) + g_abi_sp.reset(new ABISysV_mips); + return g_abi_sp; + } + return ABISP(); } -bool -ABISysV_mips::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)); +bool ABISysV_mips::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_mips::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->PutString(s.GetString()); + } + + RegisterContext *reg_ctx = thread.GetRegisterContext().get(); + if (!reg_ctx) + return false; - if (log) - { - StreamString s; - s.Printf("ABISysV_mips::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()); - } + const RegisterInfo *reg_info = nullptr; - RegisterContext *reg_ctx = thread.GetRegisterContext().get(); - if (!reg_ctx) - return false; + RegisterValue reg_value; - const RegisterInfo *reg_info = nullptr; + // Argument registers + const char *reg_names[] = {"r4", "r5", "r6", "r7"}; - RegisterValue reg_value; + llvm::ArrayRef<addr_t>::iterator ai = args.begin(), ae = args.end(); - // Argument registers - const char *reg_names[] = { "r4", "r5", "r6", "r7" }; + // Write arguments to registers + for (size_t i = 0; i < llvm::array_lengthof(reg_names); ++i) { + if (ai == ae) + break; - llvm::ArrayRef<addr_t>::iterator ai = args.begin(), ae = args.end(); + 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); - // Write arguments to registers - for (size_t i = 0; i < llvm::array_lengthof(reg_names); ++i) - { - if (ai == ae) - break; + if (!reg_ctx->WriteRegisterFromUnsigned(reg_info, args[i])) + return false; - 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); + ++ai; + } - if (!reg_ctx->WriteRegisterFromUnsigned(reg_info, args[i])) - return false; + // If we have more than 4 arguments --Spill onto the stack + if (ai != ae) { + // No of arguments to go on stack + size_t num_stack_regs = args.size(); - ++ai; - } + // Allocate needed space for args on the stack + sp -= (num_stack_regs * 4); - // If we have more than 4 arguments --Spill onto the stack - if (ai != ae) - { - // No of arguments to go on stack - size_t num_stack_regs = args.size(); - - // Allocate needed space for args on the stack - sp -= (num_stack_regs * 4); - - // Keep the stack 8 byte aligned - sp &= ~(8ull-1ull); - - // just using arg1 to get the right size - const RegisterInfo *reg_info = reg_ctx->GetRegisterInfo(eRegisterKindGeneric, LLDB_REGNUM_GENERIC_ARG1); - - addr_t arg_pos = sp+16; - - size_t i = 4; - for (; ai != ae; ++ai) - { - reg_value.SetUInt32(*ai); - if (log) - log->Printf("About to write arg%zd (0x%" PRIx64 ") at 0x%" PRIx64 "", i+1, args[i], arg_pos); - - if (reg_ctx->WriteRegisterValueToMemory(reg_info, arg_pos, reg_info->byte_size, reg_value).Fail()) - return false; - arg_pos += reg_info->byte_size; - i++; - } - } + // Keep the stack 8 byte aligned + sp &= ~(8ull - 1ull); - 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); + // just using arg1 to get the right size + const RegisterInfo *reg_info = reg_ctx->GetRegisterInfo( + eRegisterKindGeneric, LLDB_REGNUM_GENERIC_ARG1); - if (log) - log->Printf("Writing R0: 0x%" PRIx64, (uint64_t)0); + addr_t arg_pos = sp + 16; + + size_t i = 4; + for (; ai != ae; ++ai) { + reg_value.SetUInt32(*ai); + if (log) + log->Printf("About to write arg%zd (0x%" PRIx64 ") at 0x%" PRIx64 "", + i + 1, args[i], arg_pos); - /* 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)) + if (reg_ctx + ->WriteRegisterValueToMemory(reg_info, arg_pos, + reg_info->byte_size, reg_value) + .Fail()) return false; + arg_pos += reg_info->byte_size; + i++; + } + } + + 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; - - 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; - - return true; -} + // 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); -bool -ABISysV_mips::GetArgumentValues (Thread &thread, ValueList &values) const -{ + // 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; } -Error -ABISysV_mips::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; - } +bool ABISysV_mips::GetArgumentValues(Thread &thread, ValueList &values) const { + return false; +} - CompilerType compiler_type = new_value_sp->GetCompilerType(); - if (!compiler_type) - { - error.SetErrorString ("Null clang type for return value."); - return error; - } +Error ABISysV_mips::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; + } - Thread *thread = frame_sp->GetThread().get(); + 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(); + + bool is_signed; + uint32_t count; + bool is_complex; + + RegisterContext *reg_ctx = thread->GetRegisterContext().get(); + + bool set_it_simple = false; + if (compiler_type.IsIntegerOrEnumerationType(is_signed) || + compiler_type.IsPointerType()) { + 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; + } - bool is_signed; - uint32_t count; - bool is_complex; + lldb::offset_t offset = 0; + if (num_bytes <= 8) { + const RegisterInfo *r2_info = reg_ctx->GetRegisterInfoByName("r2", 0); + if (num_bytes <= 4) { + uint32_t raw_value = data.GetMaxU32(&offset, num_bytes); - RegisterContext *reg_ctx = thread->GetRegisterContext().get(); + if (reg_ctx->WriteRegisterFromUnsigned(r2_info, raw_value)) + set_it_simple = true; + } else { + uint32_t raw_value = data.GetMaxU32(&offset, 4); - bool set_it_simple = false; - if (compiler_type.IsIntegerOrEnumerationType (is_signed) || compiler_type.IsPointerType()) - { - 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->WriteRegisterFromUnsigned(r2_info, raw_value)) { + const RegisterInfo *r3_info = reg_ctx->GetRegisterInfoByName("r3", 0); + uint32_t raw_value = data.GetMaxU32(&offset, num_bytes - offset); - lldb::offset_t offset = 0; - if (num_bytes <= 8) - { - const RegisterInfo *r2_info = reg_ctx->GetRegisterInfoByName("r2", 0); - if (num_bytes <= 4) - { - uint32_t raw_value = data.GetMaxU32(&offset, num_bytes); - - if (reg_ctx->WriteRegisterFromUnsigned (r2_info, raw_value)) - set_it_simple = true; - } - else - { - uint32_t raw_value = data.GetMaxU32(&offset, 4); - - if (reg_ctx->WriteRegisterFromUnsigned (r2_info, raw_value)) - { - const RegisterInfo *r3_info = reg_ctx->GetRegisterInfoByName("r3", 0); - uint32_t raw_value = data.GetMaxU32(&offset, num_bytes - offset); - - if (reg_ctx->WriteRegisterFromUnsigned (r3_info, raw_value)) - set_it_simple = true; - } - } + if (reg_ctx->WriteRegisterFromUnsigned(r3_info, raw_value)) + set_it_simple = true; } - else - { - error.SetErrorString("We don't support returning longer than 64 bit integer values at present."); - } - } - else if (compiler_type.IsFloatingPointType (count, is_complex)) - { - if (is_complex) - error.SetErrorString ("We don't support returning complex values at present"); - else - error.SetErrorString ("We don't support returning float values at present"); + } + } else { + error.SetErrorString("We don't support returning longer than 64 bit " + "integer values at present."); } + } else if (compiler_type.IsFloatingPointType(count, is_complex)) { + if (is_complex) + error.SetErrorString( + "We don't support returning complex values at present"); + else + error.SetErrorString( + "We don't support returning float values at present"); + } - if (!set_it_simple) - error.SetErrorString ("We only support setting simple integer return types at present."); + if (!set_it_simple) + error.SetErrorString( + "We only support setting simple integer return types at present."); - return error; + return error; } -ValueObjectSP -ABISysV_mips::GetReturnValueObjectSimple (Thread &thread, CompilerType &return_compiler_type) const -{ - ValueObjectSP return_valobj_sp; - return return_valobj_sp; +ValueObjectSP ABISysV_mips::GetReturnValueObjectSimple( + Thread &thread, CompilerType &return_compiler_type) const { + ValueObjectSP return_valobj_sp; + return return_valobj_sp; } -ValueObjectSP -ABISysV_mips::GetReturnValueObjectImpl (Thread &thread, CompilerType &return_compiler_type) const -{ - ValueObjectSP return_valobj_sp; - Value value; +ValueObjectSP ABISysV_mips::GetReturnValueObjectImpl( + Thread &thread, CompilerType &return_compiler_type) const { + ValueObjectSP return_valobj_sp; + Value value; - if (!return_compiler_type) - return return_valobj_sp; + if (!return_compiler_type) + return return_valobj_sp; - ExecutionContext exe_ctx (thread.shared_from_this()); - if (exe_ctx.GetTargetPtr() == nullptr || exe_ctx.GetProcessPtr() == nullptr) - return return_valobj_sp; + ExecutionContext exe_ctx(thread.shared_from_this()); + if (exe_ctx.GetTargetPtr() == nullptr || exe_ctx.GetProcessPtr() == nullptr) + return return_valobj_sp; - Target *target = exe_ctx.GetTargetPtr(); - const ArchSpec target_arch = target->GetArchitecture(); - ByteOrder target_byte_order = target_arch.GetByteOrder(); - value.SetCompilerType(return_compiler_type); - uint32_t fp_flag = target_arch.GetFlags() & lldb_private::ArchSpec::eMIPS_ABI_FP_mask; + Target *target = exe_ctx.GetTargetPtr(); + const ArchSpec target_arch = target->GetArchitecture(); + ByteOrder target_byte_order = target_arch.GetByteOrder(); + value.SetCompilerType(return_compiler_type); + uint32_t fp_flag = + target_arch.GetFlags() & lldb_private::ArchSpec::eMIPS_ABI_FP_mask; - RegisterContext *reg_ctx = thread.GetRegisterContext().get(); - if (!reg_ctx) - return return_valobj_sp; - - bool is_signed = false; - bool is_complex = false; - uint32_t count = 0; - - // In MIPS register "r2" (v0) holds the integer function return values - const RegisterInfo *r2_reg_info = reg_ctx->GetRegisterInfoByName("r2", 0); - size_t bit_width = return_compiler_type.GetBitSize(&thread); - if (return_compiler_type.IsIntegerOrEnumerationType (is_signed)) - { - switch (bit_width) - { - default: - return return_valobj_sp; - case 64: - { - const RegisterInfo *r3_reg_info = reg_ctx->GetRegisterInfoByName("r3", 0); - uint64_t raw_value; - raw_value = reg_ctx->ReadRegisterAsUnsigned(r2_reg_info, 0) & UINT32_MAX; - raw_value |= ((uint64_t)(reg_ctx->ReadRegisterAsUnsigned(r3_reg_info, 0) & UINT32_MAX)) << 32; - if (is_signed) - value.GetScalar() = (int64_t)raw_value; - else - value.GetScalar() = (uint64_t)raw_value; - } - break; - case 32: - if (is_signed) - value.GetScalar() = (int32_t)(reg_ctx->ReadRegisterAsUnsigned(r2_reg_info, 0) & UINT32_MAX); - else - value.GetScalar() = (uint32_t)(reg_ctx->ReadRegisterAsUnsigned(r2_reg_info, 0) & UINT32_MAX); - break; - case 16: - if (is_signed) - value.GetScalar() = (int16_t)(reg_ctx->ReadRegisterAsUnsigned(r2_reg_info, 0) & UINT16_MAX); - else - value.GetScalar() = (uint16_t)(reg_ctx->ReadRegisterAsUnsigned(r2_reg_info, 0) & UINT16_MAX); - break; - case 8: - if (is_signed) - value.GetScalar() = (int8_t)(reg_ctx->ReadRegisterAsUnsigned(r2_reg_info, 0) & UINT8_MAX); - else - value.GetScalar() = (uint8_t)(reg_ctx->ReadRegisterAsUnsigned(r2_reg_info, 0) & UINT8_MAX); - break; - } - } - else if (return_compiler_type.IsPointerType ()) - { - uint32_t ptr = thread.GetRegisterContext()->ReadRegisterAsUnsigned(r2_reg_info, 0) & UINT32_MAX; - value.GetScalar() = ptr; + RegisterContext *reg_ctx = thread.GetRegisterContext().get(); + if (!reg_ctx) + return return_valobj_sp; + + bool is_signed = false; + bool is_complex = false; + uint32_t count = 0; + + // In MIPS register "r2" (v0) holds the integer function return values + const RegisterInfo *r2_reg_info = reg_ctx->GetRegisterInfoByName("r2", 0); + size_t bit_width = return_compiler_type.GetBitSize(&thread); + if (return_compiler_type.IsIntegerOrEnumerationType(is_signed)) { + switch (bit_width) { + default: + return return_valobj_sp; + case 64: { + const RegisterInfo *r3_reg_info = reg_ctx->GetRegisterInfoByName("r3", 0); + uint64_t raw_value; + raw_value = reg_ctx->ReadRegisterAsUnsigned(r2_reg_info, 0) & UINT32_MAX; + raw_value |= ((uint64_t)(reg_ctx->ReadRegisterAsUnsigned(r3_reg_info, 0) & + UINT32_MAX)) + << 32; + if (is_signed) + value.GetScalar() = (int64_t)raw_value; + else + value.GetScalar() = (uint64_t)raw_value; + } break; + case 32: + if (is_signed) + value.GetScalar() = (int32_t)( + reg_ctx->ReadRegisterAsUnsigned(r2_reg_info, 0) & UINT32_MAX); + else + value.GetScalar() = (uint32_t)( + reg_ctx->ReadRegisterAsUnsigned(r2_reg_info, 0) & UINT32_MAX); + break; + case 16: + if (is_signed) + value.GetScalar() = (int16_t)( + reg_ctx->ReadRegisterAsUnsigned(r2_reg_info, 0) & UINT16_MAX); + else + value.GetScalar() = (uint16_t)( + reg_ctx->ReadRegisterAsUnsigned(r2_reg_info, 0) & UINT16_MAX); + break; + case 8: + if (is_signed) + value.GetScalar() = (int8_t)( + reg_ctx->ReadRegisterAsUnsigned(r2_reg_info, 0) & UINT8_MAX); + else + value.GetScalar() = (uint8_t)( + reg_ctx->ReadRegisterAsUnsigned(r2_reg_info, 0) & UINT8_MAX); + break; } - else if (return_compiler_type.IsAggregateType ()) - { - // Structure/Vector is always passed in memory and pointer to that memory is passed 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); + } else if (return_compiler_type.IsPointerType()) { + uint32_t ptr = + thread.GetRegisterContext()->ReadRegisterAsUnsigned(r2_reg_info, 0) & + UINT32_MAX; + value.GetScalar() = ptr; + } else if (return_compiler_type.IsAggregateType()) { + // Structure/Vector is always passed in memory and pointer to that memory is + // passed 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; + } else if (return_compiler_type.IsFloatingPointType(count, is_complex)) { + if (IsSoftFloat(fp_flag)) { + uint64_t raw_value = reg_ctx->ReadRegisterAsUnsigned(r2_reg_info, 0); + if (count != 1 && is_complex) return return_valobj_sp; + switch (bit_width) { + default: + return return_valobj_sp; + case 32: + static_assert(sizeof(float) == sizeof(uint32_t), ""); + value.GetScalar() = *((float *)(&raw_value)); + break; + case 64: + static_assert(sizeof(double) == sizeof(uint64_t), ""); + const RegisterInfo *r3_reg_info = + reg_ctx->GetRegisterInfoByName("r3", 0); + if (target_byte_order == eByteOrderLittle) + raw_value = + ((reg_ctx->ReadRegisterAsUnsigned(r3_reg_info, 0)) << 32) | + raw_value; + else + raw_value = (raw_value << 32) | + reg_ctx->ReadRegisterAsUnsigned(r3_reg_info, 0); + value.GetScalar() = *((double *)(&raw_value)); + break; + } } - else if (return_compiler_type.IsFloatingPointType (count, is_complex)) - { - if (IsSoftFloat (fp_flag)) - { - uint64_t raw_value = reg_ctx->ReadRegisterAsUnsigned(r2_reg_info, 0); - if (count != 1 && is_complex) - return return_valobj_sp; - switch (bit_width) - { - default: - return return_valobj_sp; - case 32: - static_assert(sizeof(float) == sizeof(uint32_t), ""); - value.GetScalar() = *((float *)(&raw_value)); - break; - case 64: - static_assert(sizeof(double) == sizeof(uint64_t), ""); - const RegisterInfo *r3_reg_info = reg_ctx->GetRegisterInfoByName("r3", 0); - if (target_byte_order == eByteOrderLittle) - raw_value = ((reg_ctx->ReadRegisterAsUnsigned(r3_reg_info, 0)) << 32) | raw_value; - else - raw_value = (raw_value << 32) | reg_ctx->ReadRegisterAsUnsigned(r3_reg_info, 0); - value.GetScalar() = *((double *)(&raw_value)); - break; - } + + else { + 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 (count == 1 && !is_complex) { + switch (bit_width) { + default: + return return_valobj_sp; + case 64: { + static_assert(sizeof(double) == sizeof(uint64_t), ""); + const RegisterInfo *f1_info = reg_ctx->GetRegisterInfoByName("f1", 0); + RegisterValue f1_value; + DataExtractor f1_data; + reg_ctx->ReadRegister(f1_info, f1_value); + DataExtractor *copy_from_extractor = nullptr; + DataBufferSP data_sp(new DataBufferHeap(8, 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( + offset, 4, data_sp->GetBytes(), 4, target_byte_order); + f1_value.GetData(f1_data); + copy_from_extractor = &f1_data; + copy_from_extractor->CopyByteOrderedData( + offset, 4, data_sp->GetBytes() + 4, 4, target_byte_order); + } else { + copy_from_extractor = &f0_data; + copy_from_extractor->CopyByteOrderedData( + offset, 4, data_sp->GetBytes() + 4, 4, target_byte_order); + f1_value.GetData(f1_data); + copy_from_extractor = &f1_data; + copy_from_extractor->CopyByteOrderedData( + offset, 4, data_sp->GetBytes(), 4, target_byte_order); + } + value.GetScalar() = (double)return_ext.GetDouble(&offset); + break; } - - else - { - 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 (count == 1 && !is_complex) - { - switch (bit_width) - { - default: - return return_valobj_sp; - case 64: - { - static_assert(sizeof(double) == sizeof(uint64_t), ""); - const RegisterInfo *f1_info = reg_ctx->GetRegisterInfoByName("f1", 0); - RegisterValue f1_value; - DataExtractor f1_data; - reg_ctx->ReadRegister (f1_info, f1_value); - DataExtractor *copy_from_extractor = nullptr; - DataBufferSP data_sp (new DataBufferHeap(8, 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 (offset, - 4, - data_sp->GetBytes(), - 4, - target_byte_order); - f1_value.GetData(f1_data); - copy_from_extractor = &f1_data; - copy_from_extractor->CopyByteOrderedData (offset, - 4, - data_sp->GetBytes() + 4, - 4, - target_byte_order); - } - else - { - copy_from_extractor = &f0_data; - copy_from_extractor->CopyByteOrderedData (offset, - 4, - data_sp->GetBytes() + 4, - 4, - target_byte_order); - f1_value.GetData(f1_data); - copy_from_extractor = &f1_data; - copy_from_extractor->CopyByteOrderedData (offset, - 4, - data_sp->GetBytes(), - 4, - target_byte_order); - } - value.GetScalar() = (double) return_ext.GetDouble(&offset); - break; - } - case 32: - { - static_assert(sizeof(float) == sizeof(uint32_t), ""); - value.GetScalar() = (float) f0_data.GetFloat(&offset); - break; - } - } - } - else - { - // not handled yet - return return_valobj_sp; - } + case 32: { + static_assert(sizeof(float) == sizeof(uint32_t), ""); + value.GetScalar() = (float)f0_data.GetFloat(&offset); + break; } - } - else - { + } + } else { // not handled yet return return_valobj_sp; + } } - - // If we get here, we have a valid Value, so make our ValueObject out of it: - - return_valobj_sp = ValueObjectConstResult::Create(thread.GetStackFrameAtIndex(0).get(), - value, - ConstString("")); + } else { + // not handled yet return return_valobj_sp; + } + + // If we get here, we have a valid Value, so make our ValueObject out of it: + + return_valobj_sp = ValueObjectConstResult::Create( + thread.GetStackFrameAtIndex(0).get(), value, ConstString("")); + return return_valobj_sp; } -bool -ABISysV_mips::CreateFunctionEntryUnwindPlan (UnwindPlan &unwind_plan) -{ - unwind_plan.Clear(); - unwind_plan.SetRegisterKind (eRegisterKindDWARF); +bool ABISysV_mips::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 ("mips at-func-entry default"); - unwind_plan.SetSourcedFromCompiler (eLazyBoolNo); - unwind_plan.SetReturnAddressRegister(dwarf_r31); - return true; + unwind_plan.SetSourceName("mips at-func-entry default"); + unwind_plan.SetSourcedFromCompiler(eLazyBoolNo); + unwind_plan.SetReturnAddressRegister(dwarf_r31); + return true; } -bool -ABISysV_mips::CreateDefaultUnwindPlan (UnwindPlan &unwind_plan) -{ - unwind_plan.Clear(); - unwind_plan.SetRegisterKind (eRegisterKindDWARF); +bool ABISysV_mips::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); - - unwind_plan.AppendRow (row); - unwind_plan.SetSourceName ("mips default unwind plan"); - unwind_plan.SetSourcedFromCompiler (eLazyBoolNo); - unwind_plan.SetUnwindPlanValidAtAllInstructions (eLazyBoolNo); - return true; + row->SetRegisterLocationToRegister(dwarf_pc, dwarf_r31, true); + + unwind_plan.AppendRow(row); + unwind_plan.SetSourceName("mips default unwind plan"); + unwind_plan.SetSourcedFromCompiler(eLazyBoolNo); + unwind_plan.SetUnwindPlanValidAtAllInstructions(eLazyBoolNo); + return true; } -bool -ABISysV_mips::RegisterIsVolatile (const RegisterInfo *reg_info) -{ - return !RegisterIsCalleeSaved (reg_info); +bool ABISysV_mips::RegisterIsVolatile(const RegisterInfo *reg_info) { + return !RegisterIsCalleeSaved(reg_info); } -bool -ABISysV_mips::IsSoftFloat(uint32_t fp_flags) const -{ - return (fp_flags == lldb_private::ArchSpec::eMIPS_ABI_FP_SOFT); +bool ABISysV_mips::IsSoftFloat(uint32_t fp_flags) const { + return (fp_flags == lldb_private::ArchSpec::eMIPS_ABI_FP_SOFT); } -bool -ABISysV_mips::RegisterIsCalleeSaved (const RegisterInfo *reg_info) -{ - if (reg_info) - { - // Preserved registers are : - // r16-r23, r28, r29, r30, r31 - const char *name = reg_info->name; - - if (name[0] == 'r') - { - switch (name[1]) - { - case '1': - if (name[2] == '6' || name[2] == '7' || name[2] == '8' || name[2] == '9') // r16-r19 - return name[3] == '\0'; - break; - case '2': - if (name[2] == '0' || name[2] == '1' || name[2] == '2' || name[2] == '3' // r20-r23 - || name[2] == '8' || name[2] == '9') // r28 and r29 - return name[3] == '\0'; - break; - case '3': - if (name[2] == '0' || name[2] == '1') // r30 and r31 - return name[3] == '\0'; - break; - } - - if (name[0] == 'g' && name[1] == 'p' && name[2] == '\0') // gp (r28) - return true; - if (name[0] == 's' && name[1] == 'p' && name[2] == '\0') // sp (r29) - return true; - if (name[0] == 'f' && name[1] == 'p' && name[2] == '\0') // fp (r30) - return true; - if (name[0] == 'r' && name[1] == 'a' && name[2] == '\0') // ra (r31) - return true; - } +bool ABISysV_mips::RegisterIsCalleeSaved(const RegisterInfo *reg_info) { + if (reg_info) { + // Preserved registers are : + // r16-r23, r28, r29, r30, r31 + const char *name = reg_info->name; + + if (name[0] == 'r') { + switch (name[1]) { + case '1': + if (name[2] == '6' || name[2] == '7' || name[2] == '8' || + name[2] == '9') // r16-r19 + return name[3] == '\0'; + break; + case '2': + if (name[2] == '0' || name[2] == '1' || name[2] == '2' || + name[2] == '3' // r20-r23 + || name[2] == '8' || name[2] == '9') // r28 and r29 + return name[3] == '\0'; + break; + case '3': + if (name[2] == '0' || name[2] == '1') // r30 and r31 + return name[3] == '\0'; + break; + } + + if (name[0] == 'g' && name[1] == 'p' && name[2] == '\0') // gp (r28) + return true; + if (name[0] == 's' && name[1] == 'p' && name[2] == '\0') // sp (r29) + return true; + if (name[0] == 'f' && name[1] == 'p' && name[2] == '\0') // fp (r30) + return true; + if (name[0] == 'r' && name[1] == 'a' && name[2] == '\0') // ra (r31) + return true; } - return false; + } + return false; } -void -ABISysV_mips::Initialize() -{ - PluginManager::RegisterPlugin (GetPluginNameStatic(), - "System V ABI for mips targets", - CreateInstance); +void ABISysV_mips::Initialize() { + PluginManager::RegisterPlugin( + GetPluginNameStatic(), "System V ABI for mips targets", CreateInstance); } -void -ABISysV_mips::Terminate() -{ - PluginManager::UnregisterPlugin (CreateInstance); +void ABISysV_mips::Terminate() { + PluginManager::UnregisterPlugin(CreateInstance); } -lldb_private::ConstString -ABISysV_mips::GetPluginNameStatic() -{ - static ConstString g_name("sysv-mips"); - return g_name; +lldb_private::ConstString ABISysV_mips::GetPluginNameStatic() { + static ConstString g_name("sysv-mips"); + return g_name; } //------------------------------------------------------------------ // PluginInterface protocol //------------------------------------------------------------------ -lldb_private::ConstString -ABISysV_mips::GetPluginName() -{ - return GetPluginNameStatic(); +lldb_private::ConstString ABISysV_mips::GetPluginName() { + return GetPluginNameStatic(); } -uint32_t -ABISysV_mips::GetPluginVersion() -{ - return 1; -} +uint32_t ABISysV_mips::GetPluginVersion() { return 1; } |