diff options
Diffstat (limited to 'source/Plugins/ABI/SysV-mips/ABISysV_mips.cpp')
| -rw-r--r-- | source/Plugins/ABI/SysV-mips/ABISysV_mips.cpp | 327 |
1 files changed, 181 insertions, 146 deletions
diff --git a/source/Plugins/ABI/SysV-mips/ABISysV_mips.cpp b/source/Plugins/ABI/SysV-mips/ABISysV_mips.cpp index e1fc13a691af..3c7e9495d6ce 100644 --- a/source/Plugins/ABI/SysV-mips/ABISysV_mips.cpp +++ b/source/Plugins/ABI/SysV-mips/ABISysV_mips.cpp @@ -20,7 +20,6 @@ #include "lldb/Core/ValueObjectConstResult.h" #include "lldb/Core/ValueObjectRegister.h" #include "lldb/Core/ValueObjectMemory.h" -#include "lldb/Symbol/ClangASTContext.h" #include "lldb/Symbol/UnwindPlan.h" #include "lldb/Target/Target.h" #include "lldb/Target/Process.h" @@ -34,133 +33,91 @@ using namespace lldb; using namespace lldb_private; -enum gcc_dwarf_regnums +enum dwarf_regnums { - gcc_dwarf_r0 = 0, - gcc_dwarf_r1, - gcc_dwarf_r2, - gcc_dwarf_r3, - gcc_dwarf_r4, - gcc_dwarf_r5, - gcc_dwarf_r6, - gcc_dwarf_r7, - gcc_dwarf_r8, - gcc_dwarf_r9, - gcc_dwarf_r10, - gcc_dwarf_r11, - gcc_dwarf_r12, - gcc_dwarf_r13, - gcc_dwarf_r14, - gcc_dwarf_r15, - gcc_dwarf_r16, - gcc_dwarf_r17, - gcc_dwarf_r18, - gcc_dwarf_r19, - gcc_dwarf_r20, - gcc_dwarf_r21, - gcc_dwarf_r22, - gcc_dwarf_r23, - gcc_dwarf_r24, - gcc_dwarf_r25, - gcc_dwarf_r26, - gcc_dwarf_r27, - gcc_dwarf_r28, - gcc_dwarf_r29, - gcc_dwarf_r30, - gcc_dwarf_r31, - gcc_dwarf_sr, - gcc_dwarf_lo, - gcc_dwarf_hi, - gcc_dwarf_bad, - gcc_dwarf_cause, - gcc_dwarf_pc -}; - -enum gdb_regnums -{ - gdb_r0 = 0, - gdb_r1, - gdb_r2, - gdb_r3, - gdb_r4, - gdb_r5, - gdb_r6, - gdb_r7, - gdb_r8, - gdb_r9, - gdb_r10, - gdb_r11, - gdb_r12, - gdb_r13, - gdb_r14, - gdb_r15, - gdb_r16, - gdb_r17, - gdb_r18, - gdb_r19, - gdb_r20, - gdb_r21, - gdb_r22, - gdb_r23, - gdb_r24, - gdb_r25, - gdb_r26, - gdb_r27, - gdb_r28, - gdb_r29, - gdb_r30, - gdb_r31, - gdb_sr, - gdb_lo, - gdb_hi, - gdb_bad, - gdb_cause, - gdb_pc + 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 COMPILER DWARF GENERIC GDB LLDB NATIVE VALUE REGS INVALIDATE REGS - // ======== ====== == === ============= =================== ============ ===================== ==================== ================= ====================== ========== =============== - { "r0" , "zero", 4, 0, eEncodingUint, eFormatHex, { gcc_dwarf_r0, gcc_dwarf_r0, LLDB_INVALID_REGNUM, gdb_r0, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r1" , "AT", 4, 0, eEncodingUint, eFormatHex, { gcc_dwarf_r1, gcc_dwarf_r1, LLDB_INVALID_REGNUM, gdb_r1, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r2" , "v0", 4, 0, eEncodingUint, eFormatHex, { gcc_dwarf_r2, gcc_dwarf_r2, LLDB_INVALID_REGNUM, gdb_r2, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r3" , "v1", 4, 0, eEncodingUint, eFormatHex, { gcc_dwarf_r3, gcc_dwarf_r3, LLDB_INVALID_REGNUM, gdb_r3, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r4" , "arg1", 4, 0, eEncodingUint, eFormatHex, { gcc_dwarf_r4, gcc_dwarf_r4, LLDB_REGNUM_GENERIC_ARG1, gdb_r4, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r5" , "arg2", 4, 0, eEncodingUint, eFormatHex, { gcc_dwarf_r5, gcc_dwarf_r5, LLDB_REGNUM_GENERIC_ARG2, gdb_r5, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r6" , "arg3", 4, 0, eEncodingUint, eFormatHex, { gcc_dwarf_r6, gcc_dwarf_r6, LLDB_REGNUM_GENERIC_ARG3, gdb_r6, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r7" , "arg4", 4, 0, eEncodingUint, eFormatHex, { gcc_dwarf_r7, gcc_dwarf_r7, LLDB_REGNUM_GENERIC_ARG4, gdb_r7, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r8" , "arg5", 4, 0, eEncodingUint, eFormatHex, { gcc_dwarf_r8, gcc_dwarf_r8, LLDB_INVALID_REGNUM, gdb_r8, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r9" , "arg6", 4, 0, eEncodingUint, eFormatHex, { gcc_dwarf_r9, gcc_dwarf_r9, LLDB_INVALID_REGNUM, gdb_r9, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r10" , "arg7", 4, 0, eEncodingUint, eFormatHex, { gcc_dwarf_r10, gcc_dwarf_r10, LLDB_INVALID_REGNUM, gdb_r10, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r11" , "arg8", 4, 0, eEncodingUint, eFormatHex, { gcc_dwarf_r11, gcc_dwarf_r11, LLDB_INVALID_REGNUM, gdb_r11, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r12" , NULL, 4, 0, eEncodingUint, eFormatHex, { gcc_dwarf_r12, gcc_dwarf_r12, LLDB_INVALID_REGNUM, gdb_r12, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r13" , NULL, 4, 0, eEncodingUint, eFormatHex, { gcc_dwarf_r13, gcc_dwarf_r13, LLDB_INVALID_REGNUM, gdb_r13, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r14" , NULL, 4, 0, eEncodingUint, eFormatHex, { gcc_dwarf_r14, gcc_dwarf_r14, LLDB_INVALID_REGNUM, gdb_r14, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r15" , NULL, 4, 0, eEncodingUint, eFormatHex, { gcc_dwarf_r15, gcc_dwarf_r15, LLDB_INVALID_REGNUM, gdb_r15, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r16" , NULL, 4, 0, eEncodingUint, eFormatHex, { gcc_dwarf_r16, gcc_dwarf_r16, LLDB_INVALID_REGNUM, gdb_r16, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r17" , NULL, 4, 0, eEncodingUint, eFormatHex, { gcc_dwarf_r17, gcc_dwarf_r17, LLDB_INVALID_REGNUM, gdb_r17, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r18" , NULL, 4, 0, eEncodingUint, eFormatHex, { gcc_dwarf_r18, gcc_dwarf_r18, LLDB_INVALID_REGNUM, gdb_r18, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r19" , NULL, 4, 0, eEncodingUint, eFormatHex, { gcc_dwarf_r19, gcc_dwarf_r19, LLDB_INVALID_REGNUM, gdb_r19, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r20" , NULL, 4, 0, eEncodingUint, eFormatHex, { gcc_dwarf_r20, gcc_dwarf_r20, LLDB_INVALID_REGNUM, gdb_r20, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r21" , NULL, 4, 0, eEncodingUint, eFormatHex, { gcc_dwarf_r21, gcc_dwarf_r21, LLDB_INVALID_REGNUM, gdb_r21, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r22" , NULL, 4, 0, eEncodingUint, eFormatHex, { gcc_dwarf_r22, gcc_dwarf_r22, LLDB_INVALID_REGNUM, gdb_r22, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r23" , NULL, 4, 0, eEncodingUint, eFormatHex, { gcc_dwarf_r23, gcc_dwarf_r23, LLDB_INVALID_REGNUM, gdb_r23, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r24" , NULL, 4, 0, eEncodingUint, eFormatHex, { gcc_dwarf_r24, gcc_dwarf_r24, LLDB_INVALID_REGNUM, gdb_r24, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r25" , NULL, 4, 0, eEncodingUint, eFormatHex, { gcc_dwarf_r25, gcc_dwarf_r25, LLDB_INVALID_REGNUM, gdb_r25, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r26" , NULL, 4, 0, eEncodingUint, eFormatHex, { gcc_dwarf_r26, gcc_dwarf_r26, LLDB_INVALID_REGNUM, gdb_r26, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r27" , NULL, 4, 0, eEncodingUint, eFormatHex, { gcc_dwarf_r27, gcc_dwarf_r27, LLDB_INVALID_REGNUM, gdb_r27, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r28" , "gp", 4, 0, eEncodingUint, eFormatHex, { gcc_dwarf_r28, gcc_dwarf_r28, LLDB_INVALID_REGNUM, gdb_r28, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r29" , "sp", 4, 0, eEncodingUint, eFormatHex, { gcc_dwarf_r29, gcc_dwarf_r29, LLDB_REGNUM_GENERIC_SP, gdb_r29, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r30" , "fp", 4, 0, eEncodingUint, eFormatHex, { gcc_dwarf_r30, gcc_dwarf_r30, LLDB_REGNUM_GENERIC_FP, gdb_r30, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r31" , "ra", 4, 0, eEncodingUint, eFormatHex, { gcc_dwarf_r31, gcc_dwarf_r31, LLDB_REGNUM_GENERIC_RA, gdb_r31, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "sr" , NULL, 4, 0, eEncodingUint, eFormatHex, { gcc_dwarf_sr, gcc_dwarf_sr, LLDB_REGNUM_GENERIC_FLAGS, gdb_sr, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "lo" , NULL, 4, 0, eEncodingUint, eFormatHex, { gcc_dwarf_lo, gcc_dwarf_lo, LLDB_INVALID_REGNUM, gdb_lo, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "hi" , NULL, 4, 0, eEncodingUint, eFormatHex, { gcc_dwarf_hi, gcc_dwarf_hi, LLDB_INVALID_REGNUM, gdb_hi, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "bad" , NULL, 4, 0, eEncodingUint, eFormatHex, { gcc_dwarf_bad, gcc_dwarf_bad, LLDB_INVALID_REGNUM, gdb_bad, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "cause" , NULL, 4, 0, eEncodingUint, eFormatHex, { gcc_dwarf_cause, gcc_dwarf_cause, LLDB_INVALID_REGNUM, gdb_cause, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "pc" , NULL, 4, 0, eEncodingUint, eFormatHex, { gcc_dwarf_pc, gcc_dwarf_pc, LLDB_REGNUM_GENERIC_PC, gdb_pc, LLDB_INVALID_REGNUM }, NULL, NULL}, + // 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 }, NULL, NULL}, + { "r1" , "AT", 4, 0, eEncodingUint, eFormatHex, { dwarf_r1, dwarf_r1, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, + { "r2" , "v0", 4, 0, eEncodingUint, eFormatHex, { dwarf_r2, dwarf_r2, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, + { "r3" , "v1", 4, 0, eEncodingUint, eFormatHex, { dwarf_r3, dwarf_r3, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, + { "r4" , "arg1", 4, 0, eEncodingUint, eFormatHex, { dwarf_r4, dwarf_r4, LLDB_REGNUM_GENERIC_ARG1, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, + { "r5" , "arg2", 4, 0, eEncodingUint, eFormatHex, { dwarf_r5, dwarf_r5, LLDB_REGNUM_GENERIC_ARG2, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, + { "r6" , "arg3", 4, 0, eEncodingUint, eFormatHex, { dwarf_r6, dwarf_r6, LLDB_REGNUM_GENERIC_ARG3, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, + { "r7" , "arg4", 4, 0, eEncodingUint, eFormatHex, { dwarf_r7, dwarf_r7, LLDB_REGNUM_GENERIC_ARG4, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, + { "r8" , "arg5", 4, 0, eEncodingUint, eFormatHex, { dwarf_r8, dwarf_r8, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, + { "r9" , "arg6", 4, 0, eEncodingUint, eFormatHex, { dwarf_r9, dwarf_r9, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, + { "r10" , "arg7", 4, 0, eEncodingUint, eFormatHex, { dwarf_r10, dwarf_r10, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, + { "r11" , "arg8", 4, 0, eEncodingUint, eFormatHex, { dwarf_r11, dwarf_r11, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, + { "r12" , NULL, 4, 0, eEncodingUint, eFormatHex, { dwarf_r12, dwarf_r12, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, + { "r13" , NULL, 4, 0, eEncodingUint, eFormatHex, { dwarf_r13, dwarf_r13, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, + { "r14" , NULL, 4, 0, eEncodingUint, eFormatHex, { dwarf_r14, dwarf_r14, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, + { "r15" , NULL, 4, 0, eEncodingUint, eFormatHex, { dwarf_r15, dwarf_r15, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, + { "r16" , NULL, 4, 0, eEncodingUint, eFormatHex, { dwarf_r16, dwarf_r16, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, + { "r17" , NULL, 4, 0, eEncodingUint, eFormatHex, { dwarf_r17, dwarf_r17, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, + { "r18" , NULL, 4, 0, eEncodingUint, eFormatHex, { dwarf_r18, dwarf_r18, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, + { "r19" , NULL, 4, 0, eEncodingUint, eFormatHex, { dwarf_r19, dwarf_r19, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, + { "r20" , NULL, 4, 0, eEncodingUint, eFormatHex, { dwarf_r20, dwarf_r20, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, + { "r21" , NULL, 4, 0, eEncodingUint, eFormatHex, { dwarf_r21, dwarf_r21, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, + { "r22" , NULL, 4, 0, eEncodingUint, eFormatHex, { dwarf_r22, dwarf_r22, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, + { "r23" , NULL, 4, 0, eEncodingUint, eFormatHex, { dwarf_r23, dwarf_r23, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, + { "r24" , NULL, 4, 0, eEncodingUint, eFormatHex, { dwarf_r24, dwarf_r24, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, + { "r25" , NULL, 4, 0, eEncodingUint, eFormatHex, { dwarf_r25, dwarf_r25, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, + { "r26" , NULL, 4, 0, eEncodingUint, eFormatHex, { dwarf_r26, dwarf_r26, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, + { "r27" , NULL, 4, 0, eEncodingUint, eFormatHex, { dwarf_r27, dwarf_r27, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, + { "r28" , "gp", 4, 0, eEncodingUint, eFormatHex, { dwarf_r28, dwarf_r28, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, + { "r29" , "sp", 4, 0, eEncodingUint, eFormatHex, { dwarf_r29, dwarf_r29, LLDB_REGNUM_GENERIC_SP, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, + { "r30" , "fp", 4, 0, eEncodingUint, eFormatHex, { dwarf_r30, dwarf_r30, LLDB_REGNUM_GENERIC_FP, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, + { "r31" , "ra", 4, 0, eEncodingUint, eFormatHex, { dwarf_r31, dwarf_r31, LLDB_REGNUM_GENERIC_RA, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, + { "sr" , NULL, 4, 0, eEncodingUint, eFormatHex, { dwarf_sr, dwarf_sr, LLDB_REGNUM_GENERIC_FLAGS, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, + { "lo" , NULL, 4, 0, eEncodingUint, eFormatHex, { dwarf_lo, dwarf_lo, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, + { "hi" , NULL, 4, 0, eEncodingUint, eFormatHex, { dwarf_hi, dwarf_hi, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, + { "bad" , NULL, 4, 0, eEncodingUint, eFormatHex, { dwarf_bad, dwarf_bad, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, + { "cause" , NULL, 4, 0, eEncodingUint, eFormatHex, { dwarf_cause, dwarf_cause, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, + { "pc" , NULL, 4, 0, eEncodingUint, eFormatHex, { dwarf_pc, dwarf_pc, LLDB_REGNUM_GENERIC_PC, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, }; static const uint32_t k_num_register_infos = llvm::array_lengthof(g_register_infos); @@ -284,6 +241,7 @@ ABISysV_mips::PrepareTrivialCall (Thread &thread, 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); if (log) log->Printf("Writing SP: 0x%" PRIx64, (uint64_t)sp); @@ -305,7 +263,14 @@ ABISysV_mips::PrepareTrivialCall (Thread &thread, // 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; } @@ -325,8 +290,8 @@ ABISysV_mips::SetReturnValueObject(lldb::StackFrameSP &frame_sp, lldb::ValueObje return error; } - ClangASTType clang_type = new_value_sp->GetClangType(); - if (!clang_type) + CompilerType compiler_type = new_value_sp->GetCompilerType(); + if (!compiler_type) { error.SetErrorString ("Null clang type for return value."); return error; @@ -341,7 +306,7 @@ ABISysV_mips::SetReturnValueObject(lldb::StackFrameSP &frame_sp, lldb::ValueObje RegisterContext *reg_ctx = thread->GetRegisterContext().get(); bool set_it_simple = false; - if (clang_type.IsIntegerType (is_signed) || clang_type.IsPointerType()) + if (compiler_type.IsIntegerType (is_signed) || compiler_type.IsPointerType()) { DataExtractor data; Error data_error; @@ -382,7 +347,7 @@ ABISysV_mips::SetReturnValueObject(lldb::StackFrameSP &frame_sp, lldb::ValueObje error.SetErrorString("We don't support returning longer than 64 bit integer values at present."); } } - else if (clang_type.IsFloatingPointType (count, is_complex)) + else if (compiler_type.IsFloatingPointType (count, is_complex)) { if (is_complex) error.SetErrorString ("We don't support returning complex values at present"); @@ -398,40 +363,41 @@ ABISysV_mips::SetReturnValueObject(lldb::StackFrameSP &frame_sp, lldb::ValueObje ValueObjectSP -ABISysV_mips::GetReturnValueObjectSimple (Thread &thread, ClangASTType &return_clang_type) const +ABISysV_mips::GetReturnValueObjectSimple (Thread &thread, CompilerType &return_compiler_type) const { ValueObjectSP return_valobj_sp; return return_valobj_sp; } ValueObjectSP -ABISysV_mips::GetReturnValueObjectImpl (Thread &thread, ClangASTType &return_clang_type) const +ABISysV_mips::GetReturnValueObjectImpl (Thread &thread, CompilerType &return_compiler_type) const { ValueObjectSP return_valobj_sp; Value value; - if (!return_clang_type) + if (!return_compiler_type) return return_valobj_sp; ExecutionContext exe_ctx (thread.shared_from_this()); if (exe_ctx.GetTargetPtr() == NULL || exe_ctx.GetProcessPtr() == NULL) return return_valobj_sp; - value.SetClangType(return_clang_type); + value.SetCompilerType(return_compiler_type); RegisterContext *reg_ctx = thread.GetRegisterContext().get(); if (!reg_ctx) return return_valobj_sp; - bool is_signed; + 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_clang_type.IsIntegerType (is_signed)) + if (return_compiler_type.IsIntegerType (is_signed)) { - size_t bit_width = return_clang_type.GetBitSize(&thread); - switch (bit_width) { default: @@ -468,11 +434,57 @@ ABISysV_mips::GetReturnValueObjectImpl (Thread &thread, ClangASTType &return_cla break; } } - else if (return_clang_type.IsPointerType ()) + 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, NULL), + return_compiler_type); + return return_valobj_sp; + } + else if (return_compiler_type.IsFloatingPointType (count, is_complex)) + { + const RegisterInfo *f0_info = reg_ctx->GetRegisterInfoByName("f0", 0); + const RegisterInfo *f1_info = reg_ctx->GetRegisterInfoByName("f1", 0); + + if (count == 1 && !is_complex) + { + switch (bit_width) + { + default: + return return_valobj_sp; + case 64: + { + static_assert(sizeof(double) == sizeof(uint64_t), ""); + uint64_t raw_value; + raw_value = reg_ctx->ReadRegisterAsUnsigned(f0_info, 0) & UINT32_MAX; + raw_value |= ((uint64_t)(reg_ctx->ReadRegisterAsUnsigned(f1_info, 0) & UINT32_MAX)) << 32; + value.GetScalar() = *reinterpret_cast<double*>(&raw_value); + break; + } + case 32: + { + static_assert(sizeof(float) == sizeof(uint32_t), ""); + uint32_t raw_value = reg_ctx->ReadRegisterAsUnsigned(f0_info, 0) & UINT32_MAX; + value.GetScalar() = *reinterpret_cast<float*>(&raw_value); + break; + } + } + } + else + { + // not handled yet + return return_valobj_sp; + } + } else { // not handled yet @@ -496,17 +508,17 @@ ABISysV_mips::CreateFunctionEntryUnwindPlan (UnwindPlan &unwind_plan) UnwindPlan::RowSP row(new UnwindPlan::Row); // Our Call Frame Address is the stack pointer value - row->GetCFAValue().SetIsRegisterPlusOffset(gcc_dwarf_r29, 0); + row->GetCFAValue().SetIsRegisterPlusOffset(dwarf_r29, 0); // The previous PC is in the RA - row->SetRegisterLocationToRegister(gcc_dwarf_pc, gcc_dwarf_r31, true); + row->SetRegisterLocationToRegister(dwarf_pc, dwarf_r31, true); unwind_plan.AppendRow (row); // All other registers are the same. unwind_plan.SetSourceName ("mips at-func-entry default"); unwind_plan.SetSourcedFromCompiler (eLazyBoolNo); - unwind_plan.SetReturnAddressRegister(gcc_dwarf_r31); + unwind_plan.SetReturnAddressRegister(dwarf_r31); return true; } @@ -518,9 +530,9 @@ ABISysV_mips::CreateDefaultUnwindPlan (UnwindPlan &unwind_plan) UnwindPlan::RowSP row(new UnwindPlan::Row); - row->GetCFAValue().SetIsRegisterPlusOffset(gcc_dwarf_r29, 0); + row->GetCFAValue().SetIsRegisterPlusOffset(dwarf_r29, 0); - row->SetRegisterLocationToRegister(gcc_dwarf_pc, gcc_dwarf_r31, true); + row->SetRegisterLocationToRegister(dwarf_pc, dwarf_r31, true); unwind_plan.AppendRow (row); unwind_plan.SetSourceName ("mips default unwind plan"); @@ -542,13 +554,36 @@ ABISysV_mips::RegisterIsCalleeSaved (const RegisterInfo *reg_info) { // Preserved registers are : // r16-r23, r28, r29, r30, r31 + const char *name = reg_info->name; - int reg = ((reg_info->byte_offset) / 4); - - bool save = (reg >= 16) && (reg <= 23); - save |= (reg >= 28) && (reg <= 31); + 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; + } - return save; + 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; } |