1254721Semaste//===-- ABIMacOSX_arm.cpp --------------------------------------*- C++ -*-===// 2254721Semaste// 3254721Semaste// The LLVM Compiler Infrastructure 4254721Semaste// 5254721Semaste// This file is distributed under the University of Illinois Open Source 6254721Semaste// License. See LICENSE.TXT for details. 7254721Semaste// 8254721Semaste//===----------------------------------------------------------------------===// 9254721Semaste 10254721Semaste#include "ABIMacOSX_arm.h" 11254721Semaste 12254721Semaste#include "lldb/Core/ConstString.h" 13254721Semaste#include "lldb/Core/Error.h" 14254721Semaste#include "lldb/Core/Module.h" 15254721Semaste#include "lldb/Core/PluginManager.h" 16254721Semaste#include "lldb/Core/RegisterValue.h" 17254721Semaste#include "lldb/Core/Scalar.h" 18254721Semaste#include "lldb/Core/Value.h" 19254721Semaste#include "lldb/Core/ValueObjectConstResult.h" 20254721Semaste#include "lldb/Symbol/ClangASTContext.h" 21254721Semaste#include "lldb/Symbol/UnwindPlan.h" 22254721Semaste#include "lldb/Target/Process.h" 23254721Semaste#include "lldb/Target/RegisterContext.h" 24254721Semaste#include "lldb/Target/Target.h" 25254721Semaste#include "lldb/Target/Thread.h" 26254721Semaste 27254721Semaste#include "llvm/ADT/Triple.h" 28254721Semaste 29254721Semaste#include "Utility/ARM_DWARF_Registers.h" 30254721Semaste#include "Utility/ARM_GCC_Registers.h" 31254721Semaste#include "Plugins/Process/Utility/ARMDefines.h" 32254721Semaste 33254721Semaste#include <vector> 34254721Semaste 35254721Semasteusing namespace lldb; 36254721Semasteusing namespace lldb_private; 37254721Semaste 38254721Semastestatic RegisterInfo g_register_infos[] = 39254721Semaste{ 40254721Semaste // NAME ALT SZ OFF ENCODING FORMAT COMPILER DWARF GENERIC GDB LLDB NATIVE VALUE REGS INVALIDATE REGS 41254721Semaste // ========== ======= == === ============= ============ ======================= =================== =========================== ======================= ====================== ========== =============== 42254721Semaste { "r0", "arg1", 4, 0, eEncodingUint , eFormatHex, { gcc_r0, dwarf_r0, LLDB_REGNUM_GENERIC_ARG1, gdb_arm_r0, LLDB_INVALID_REGNUM }, NULL, NULL}, 43254721Semaste { "r1", "arg2", 4, 0, eEncodingUint , eFormatHex, { gcc_r1, dwarf_r1, LLDB_REGNUM_GENERIC_ARG2, gdb_arm_r1, LLDB_INVALID_REGNUM }, NULL, NULL}, 44254721Semaste { "r2", "arg3", 4, 0, eEncodingUint , eFormatHex, { gcc_r2, dwarf_r2, LLDB_REGNUM_GENERIC_ARG3, gdb_arm_r2, LLDB_INVALID_REGNUM }, NULL, NULL}, 45254721Semaste { "r3", "arg4", 4, 0, eEncodingUint , eFormatHex, { gcc_r3, dwarf_r3, LLDB_REGNUM_GENERIC_ARG4, gdb_arm_r3, LLDB_INVALID_REGNUM }, NULL, NULL}, 46254721Semaste { "r4", NULL, 4, 0, eEncodingUint , eFormatHex, { gcc_r4, dwarf_r4, LLDB_INVALID_REGNUM, gdb_arm_r4, LLDB_INVALID_REGNUM }, NULL, NULL}, 47254721Semaste { "r5", NULL, 4, 0, eEncodingUint , eFormatHex, { gcc_r5, dwarf_r5, LLDB_INVALID_REGNUM, gdb_arm_r5, LLDB_INVALID_REGNUM }, NULL, NULL}, 48254721Semaste { "r6", NULL, 4, 0, eEncodingUint , eFormatHex, { gcc_r6, dwarf_r6, LLDB_INVALID_REGNUM, gdb_arm_r6, LLDB_INVALID_REGNUM }, NULL, NULL}, 49254721Semaste { "r7", NULL, 4, 0, eEncodingUint , eFormatHex, { gcc_r7, dwarf_r7, LLDB_REGNUM_GENERIC_FP, gdb_arm_r7, LLDB_INVALID_REGNUM }, NULL, NULL}, 50254721Semaste { "r8", NULL, 4, 0, eEncodingUint , eFormatHex, { gcc_r8, dwarf_r8, LLDB_INVALID_REGNUM, gdb_arm_r8, LLDB_INVALID_REGNUM }, NULL, NULL}, 51254721Semaste { "r9", NULL, 4, 0, eEncodingUint , eFormatHex, { gcc_r9, dwarf_r9, LLDB_INVALID_REGNUM, gdb_arm_r9, LLDB_INVALID_REGNUM }, NULL, NULL}, 52254721Semaste { "r10", NULL, 4, 0, eEncodingUint , eFormatHex, { gcc_r10, dwarf_r10, LLDB_INVALID_REGNUM, gdb_arm_r10, LLDB_INVALID_REGNUM }, NULL, NULL}, 53254721Semaste { "r11", NULL, 4, 0, eEncodingUint , eFormatHex, { gcc_r11, dwarf_r11, LLDB_INVALID_REGNUM, gdb_arm_r11, LLDB_INVALID_REGNUM }, NULL, NULL}, 54254721Semaste { "r12", NULL, 4, 0, eEncodingUint , eFormatHex, { gcc_r12, dwarf_r12, LLDB_INVALID_REGNUM, gdb_arm_r12, LLDB_INVALID_REGNUM }, NULL, NULL}, 55254721Semaste { "sp", "r13", 4, 0, eEncodingUint , eFormatHex, { gcc_sp, dwarf_sp, LLDB_REGNUM_GENERIC_SP, gdb_arm_sp, LLDB_INVALID_REGNUM }, NULL, NULL}, 56254721Semaste { "lr", "r14", 4, 0, eEncodingUint , eFormatHex, { gcc_lr, dwarf_lr, LLDB_REGNUM_GENERIC_RA, gdb_arm_lr, LLDB_INVALID_REGNUM }, NULL, NULL}, 57254721Semaste { "pc", "r15", 4, 0, eEncodingUint , eFormatHex, { gcc_pc, dwarf_pc, LLDB_REGNUM_GENERIC_PC, gdb_arm_pc, LLDB_INVALID_REGNUM }, NULL, NULL}, 58254721Semaste { "cpsr", "psr", 4, 0, eEncodingUint , eFormatHex, { gcc_cpsr, dwarf_cpsr, LLDB_REGNUM_GENERIC_FLAGS, gdb_arm_cpsr, LLDB_INVALID_REGNUM }, NULL, NULL}, 59254721Semaste { "s0", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s0, LLDB_INVALID_REGNUM, gdb_arm_s0, LLDB_INVALID_REGNUM }, NULL, NULL}, 60254721Semaste { "s1", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s1, LLDB_INVALID_REGNUM, gdb_arm_s1, LLDB_INVALID_REGNUM }, NULL, NULL}, 61254721Semaste { "s2", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s2, LLDB_INVALID_REGNUM, gdb_arm_s2, LLDB_INVALID_REGNUM }, NULL, NULL}, 62254721Semaste { "s3", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s3, LLDB_INVALID_REGNUM, gdb_arm_s3, LLDB_INVALID_REGNUM }, NULL, NULL}, 63254721Semaste { "s4", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s4, LLDB_INVALID_REGNUM, gdb_arm_s4, LLDB_INVALID_REGNUM }, NULL, NULL}, 64254721Semaste { "s5", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s5, LLDB_INVALID_REGNUM, gdb_arm_s5, LLDB_INVALID_REGNUM }, NULL, NULL}, 65254721Semaste { "s6", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s6, LLDB_INVALID_REGNUM, gdb_arm_s6, LLDB_INVALID_REGNUM }, NULL, NULL}, 66254721Semaste { "s7", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s7, LLDB_INVALID_REGNUM, gdb_arm_s7, LLDB_INVALID_REGNUM }, NULL, NULL}, 67254721Semaste { "s8", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s8, LLDB_INVALID_REGNUM, gdb_arm_s8, LLDB_INVALID_REGNUM }, NULL, NULL}, 68254721Semaste { "s9", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s9, LLDB_INVALID_REGNUM, gdb_arm_s9, LLDB_INVALID_REGNUM }, NULL, NULL}, 69254721Semaste { "s10", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s10, LLDB_INVALID_REGNUM, gdb_arm_s10, LLDB_INVALID_REGNUM }, NULL, NULL}, 70254721Semaste { "s11", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s11, LLDB_INVALID_REGNUM, gdb_arm_s11, LLDB_INVALID_REGNUM }, NULL, NULL}, 71254721Semaste { "s12", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s12, LLDB_INVALID_REGNUM, gdb_arm_s12, LLDB_INVALID_REGNUM }, NULL, NULL}, 72254721Semaste { "s13", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s13, LLDB_INVALID_REGNUM, gdb_arm_s13, LLDB_INVALID_REGNUM }, NULL, NULL}, 73254721Semaste { "s14", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s14, LLDB_INVALID_REGNUM, gdb_arm_s14, LLDB_INVALID_REGNUM }, NULL, NULL}, 74254721Semaste { "s15", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s15, LLDB_INVALID_REGNUM, gdb_arm_s15, LLDB_INVALID_REGNUM }, NULL, NULL}, 75254721Semaste { "s16", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s16, LLDB_INVALID_REGNUM, gdb_arm_s16, LLDB_INVALID_REGNUM }, NULL, NULL}, 76254721Semaste { "s17", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s17, LLDB_INVALID_REGNUM, gdb_arm_s17, LLDB_INVALID_REGNUM }, NULL, NULL}, 77254721Semaste { "s18", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s18, LLDB_INVALID_REGNUM, gdb_arm_s18, LLDB_INVALID_REGNUM }, NULL, NULL}, 78254721Semaste { "s19", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s19, LLDB_INVALID_REGNUM, gdb_arm_s19, LLDB_INVALID_REGNUM }, NULL, NULL}, 79254721Semaste { "s20", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s20, LLDB_INVALID_REGNUM, gdb_arm_s20, LLDB_INVALID_REGNUM }, NULL, NULL}, 80254721Semaste { "s21", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s21, LLDB_INVALID_REGNUM, gdb_arm_s21, LLDB_INVALID_REGNUM }, NULL, NULL}, 81254721Semaste { "s22", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s22, LLDB_INVALID_REGNUM, gdb_arm_s22, LLDB_INVALID_REGNUM }, NULL, NULL}, 82254721Semaste { "s23", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s23, LLDB_INVALID_REGNUM, gdb_arm_s23, LLDB_INVALID_REGNUM }, NULL, NULL}, 83254721Semaste { "s24", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s24, LLDB_INVALID_REGNUM, gdb_arm_s24, LLDB_INVALID_REGNUM }, NULL, NULL}, 84254721Semaste { "s25", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s25, LLDB_INVALID_REGNUM, gdb_arm_s25, LLDB_INVALID_REGNUM }, NULL, NULL}, 85254721Semaste { "s26", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s26, LLDB_INVALID_REGNUM, gdb_arm_s26, LLDB_INVALID_REGNUM }, NULL, NULL}, 86254721Semaste { "s27", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s27, LLDB_INVALID_REGNUM, gdb_arm_s27, LLDB_INVALID_REGNUM }, NULL, NULL}, 87254721Semaste { "s28", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s28, LLDB_INVALID_REGNUM, gdb_arm_s28, LLDB_INVALID_REGNUM }, NULL, NULL}, 88254721Semaste { "s29", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s29, LLDB_INVALID_REGNUM, gdb_arm_s29, LLDB_INVALID_REGNUM }, NULL, NULL}, 89254721Semaste { "s30", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s30, LLDB_INVALID_REGNUM, gdb_arm_s30, LLDB_INVALID_REGNUM }, NULL, NULL}, 90254721Semaste { "s31", NULL, 4, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s31, LLDB_INVALID_REGNUM, gdb_arm_s31, LLDB_INVALID_REGNUM }, NULL, NULL}, 91254721Semaste { "fpscr", NULL, 4, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,LLDB_INVALID_REGNUM, gdb_arm_fpscr, LLDB_INVALID_REGNUM }, NULL, NULL}, 92254721Semaste { "d0", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d0, LLDB_INVALID_REGNUM, gdb_arm_d0, LLDB_INVALID_REGNUM }, NULL, NULL}, 93254721Semaste { "d1", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d1, LLDB_INVALID_REGNUM, gdb_arm_d1, LLDB_INVALID_REGNUM }, NULL, NULL}, 94254721Semaste { "d2", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d2, LLDB_INVALID_REGNUM, gdb_arm_d2, LLDB_INVALID_REGNUM }, NULL, NULL}, 95254721Semaste { "d3", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d3, LLDB_INVALID_REGNUM, gdb_arm_d3, LLDB_INVALID_REGNUM }, NULL, NULL}, 96254721Semaste { "d4", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d4, LLDB_INVALID_REGNUM, gdb_arm_d4, LLDB_INVALID_REGNUM }, NULL, NULL}, 97254721Semaste { "d5", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d5, LLDB_INVALID_REGNUM, gdb_arm_d5, LLDB_INVALID_REGNUM }, NULL, NULL}, 98254721Semaste { "d6", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d6, LLDB_INVALID_REGNUM, gdb_arm_d6, LLDB_INVALID_REGNUM }, NULL, NULL}, 99254721Semaste { "d7", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d7, LLDB_INVALID_REGNUM, gdb_arm_d7, LLDB_INVALID_REGNUM }, NULL, NULL}, 100254721Semaste { "d8", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d8, LLDB_INVALID_REGNUM, gdb_arm_d8, LLDB_INVALID_REGNUM }, NULL, NULL}, 101254721Semaste { "d9", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d9, LLDB_INVALID_REGNUM, gdb_arm_d9, LLDB_INVALID_REGNUM }, NULL, NULL}, 102254721Semaste { "d10", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d10, LLDB_INVALID_REGNUM, gdb_arm_d10, LLDB_INVALID_REGNUM }, NULL, NULL}, 103254721Semaste { "d11", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d11, LLDB_INVALID_REGNUM, gdb_arm_d11, LLDB_INVALID_REGNUM }, NULL, NULL}, 104254721Semaste { "d12", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d12, LLDB_INVALID_REGNUM, gdb_arm_d12, LLDB_INVALID_REGNUM }, NULL, NULL}, 105254721Semaste { "d13", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d13, LLDB_INVALID_REGNUM, gdb_arm_d13, LLDB_INVALID_REGNUM }, NULL, NULL}, 106254721Semaste { "d14", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d14, LLDB_INVALID_REGNUM, gdb_arm_d14, LLDB_INVALID_REGNUM }, NULL, NULL}, 107254721Semaste { "d15", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d15, LLDB_INVALID_REGNUM, gdb_arm_d15, LLDB_INVALID_REGNUM }, NULL, NULL}, 108254721Semaste { "d16", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d16, LLDB_INVALID_REGNUM, gdb_arm_d16, LLDB_INVALID_REGNUM }, NULL, NULL}, 109254721Semaste { "d17", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d17, LLDB_INVALID_REGNUM, gdb_arm_d17, LLDB_INVALID_REGNUM }, NULL, NULL}, 110254721Semaste { "d18", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d18, LLDB_INVALID_REGNUM, gdb_arm_d18, LLDB_INVALID_REGNUM }, NULL, NULL}, 111254721Semaste { "d19", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d19, LLDB_INVALID_REGNUM, gdb_arm_d19, LLDB_INVALID_REGNUM }, NULL, NULL}, 112254721Semaste { "d20", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d20, LLDB_INVALID_REGNUM, gdb_arm_d20, LLDB_INVALID_REGNUM }, NULL, NULL}, 113254721Semaste { "d21", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d21, LLDB_INVALID_REGNUM, gdb_arm_d21, LLDB_INVALID_REGNUM }, NULL, NULL}, 114254721Semaste { "d22", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d22, LLDB_INVALID_REGNUM, gdb_arm_d22, LLDB_INVALID_REGNUM }, NULL, NULL}, 115254721Semaste { "d23", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d23, LLDB_INVALID_REGNUM, gdb_arm_d23, LLDB_INVALID_REGNUM }, NULL, NULL}, 116254721Semaste { "d24", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d24, LLDB_INVALID_REGNUM, gdb_arm_d24, LLDB_INVALID_REGNUM }, NULL, NULL}, 117254721Semaste { "d25", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d25, LLDB_INVALID_REGNUM, gdb_arm_d25, LLDB_INVALID_REGNUM }, NULL, NULL}, 118254721Semaste { "d26", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d26, LLDB_INVALID_REGNUM, gdb_arm_d26, LLDB_INVALID_REGNUM }, NULL, NULL}, 119254721Semaste { "d27", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d27, LLDB_INVALID_REGNUM, gdb_arm_d27, LLDB_INVALID_REGNUM }, NULL, NULL}, 120254721Semaste { "d28", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d28, LLDB_INVALID_REGNUM, gdb_arm_d28, LLDB_INVALID_REGNUM }, NULL, NULL}, 121254721Semaste { "d29", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d29, LLDB_INVALID_REGNUM, gdb_arm_d29, LLDB_INVALID_REGNUM }, NULL, NULL}, 122254721Semaste { "d30", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d30, LLDB_INVALID_REGNUM, gdb_arm_d30, LLDB_INVALID_REGNUM }, NULL, NULL}, 123254721Semaste { "d31", NULL, 8, 0, eEncodingIEEE754 , eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d31, LLDB_INVALID_REGNUM, gdb_arm_d31, LLDB_INVALID_REGNUM }, NULL, NULL}, 124254721Semaste { "r8_usr", NULL, 4, 0, eEncodingUint , eFormatHex, { LLDB_INVALID_REGNUM, dwarf_r8_usr, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, 125254721Semaste { "r9_usr", NULL, 4, 0, eEncodingUint , eFormatHex, { LLDB_INVALID_REGNUM, dwarf_r9_usr, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, 126254721Semaste { "r10_usr", NULL, 4, 0, eEncodingUint , eFormatHex, { LLDB_INVALID_REGNUM, dwarf_r10_usr, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, 127254721Semaste { "r11_usr", NULL, 4, 0, eEncodingUint , eFormatHex, { LLDB_INVALID_REGNUM, dwarf_r11_usr, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, 128254721Semaste { "r12_usr", NULL, 4, 0, eEncodingUint , eFormatHex, { LLDB_INVALID_REGNUM, dwarf_r12_usr, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, 129254721Semaste { "r13_usr", "sp_usr", 4, 0, eEncodingUint , eFormatHex, { LLDB_INVALID_REGNUM, dwarf_r13_usr, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, 130254721Semaste { "r14_usr", "lr_usr", 4, 0, eEncodingUint , eFormatHex, { LLDB_INVALID_REGNUM, dwarf_r14_usr, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, 131254721Semaste { "r8_fiq", NULL, 4, 0, eEncodingUint , eFormatHex, { LLDB_INVALID_REGNUM, dwarf_r8_fiq, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, 132254721Semaste { "r9_fiq", NULL, 4, 0, eEncodingUint , eFormatHex, { LLDB_INVALID_REGNUM, dwarf_r9_fiq, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, 133254721Semaste { "r10_fiq", NULL, 4, 0, eEncodingUint , eFormatHex, { LLDB_INVALID_REGNUM, dwarf_r10_fiq, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, 134254721Semaste { "r11_fiq", NULL, 4, 0, eEncodingUint , eFormatHex, { LLDB_INVALID_REGNUM, dwarf_r11_fiq, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, 135254721Semaste { "r12_fiq", NULL, 4, 0, eEncodingUint , eFormatHex, { LLDB_INVALID_REGNUM, dwarf_r12_fiq, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, 136254721Semaste { "r13_fiq", "sp_fiq", 4, 0, eEncodingUint , eFormatHex, { LLDB_INVALID_REGNUM, dwarf_r13_fiq, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, 137254721Semaste { "r14_fiq", "lr_fiq", 4, 0, eEncodingUint , eFormatHex, { LLDB_INVALID_REGNUM, dwarf_r14_fiq, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, 138254721Semaste { "r13_irq", "sp_irq", 4, 0, eEncodingUint , eFormatHex, { LLDB_INVALID_REGNUM, dwarf_r13_irq, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, 139254721Semaste { "r14_irq", "lr_irq", 4, 0, eEncodingUint , eFormatHex, { LLDB_INVALID_REGNUM, dwarf_r14_irq, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, 140254721Semaste { "r13_abt", "sp_abt", 4, 0, eEncodingUint , eFormatHex, { LLDB_INVALID_REGNUM, dwarf_r13_abt, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, 141254721Semaste { "r14_abt", "lr_abt", 4, 0, eEncodingUint , eFormatHex, { LLDB_INVALID_REGNUM, dwarf_r14_abt, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, 142254721Semaste { "r13_und", "sp_und", 4, 0, eEncodingUint , eFormatHex, { LLDB_INVALID_REGNUM, dwarf_r13_und, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, 143254721Semaste { "r14_und", "lr_und", 4, 0, eEncodingUint , eFormatHex, { LLDB_INVALID_REGNUM, dwarf_r14_und, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, 144254721Semaste { "r13_svc", "sp_svc", 4, 0, eEncodingUint , eFormatHex, { LLDB_INVALID_REGNUM, dwarf_r13_svc, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, 145254721Semaste { "r14_svc", "lr_svc", 4, 0, eEncodingUint , eFormatHex, { LLDB_INVALID_REGNUM, dwarf_r14_svc, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL} 146254721Semaste}; 147254721Semastestatic const uint32_t k_num_register_infos = sizeof(g_register_infos)/sizeof(RegisterInfo); 148254721Semastestatic bool g_register_info_names_constified = false; 149254721Semaste 150254721Semasteconst lldb_private::RegisterInfo * 151254721SemasteABIMacOSX_arm::GetRegisterInfoArray (uint32_t &count) 152254721Semaste{ 153254721Semaste // Make the C-string names and alt_names for the register infos into const 154254721Semaste // C-string values by having the ConstString unique the names in the global 155254721Semaste // constant C-string pool. 156254721Semaste if (!g_register_info_names_constified) 157254721Semaste { 158254721Semaste g_register_info_names_constified = true; 159254721Semaste for (uint32_t i=0; i<k_num_register_infos; ++i) 160254721Semaste { 161254721Semaste if (g_register_infos[i].name) 162254721Semaste g_register_infos[i].name = ConstString(g_register_infos[i].name).GetCString(); 163254721Semaste if (g_register_infos[i].alt_name) 164254721Semaste g_register_infos[i].alt_name = ConstString(g_register_infos[i].alt_name).GetCString(); 165254721Semaste } 166254721Semaste } 167254721Semaste count = k_num_register_infos; 168254721Semaste return g_register_infos; 169254721Semaste} 170254721Semaste 171254721Semaste 172254721Semastesize_t 173254721SemasteABIMacOSX_arm::GetRedZoneSize () const 174254721Semaste{ 175254721Semaste return 0; 176254721Semaste} 177254721Semaste 178254721Semaste//------------------------------------------------------------------ 179254721Semaste// Static Functions 180254721Semaste//------------------------------------------------------------------ 181254721SemasteABISP 182254721SemasteABIMacOSX_arm::CreateInstance (const ArchSpec &arch) 183254721Semaste{ 184254721Semaste static ABISP g_abi_sp; 185254721Semaste const llvm::Triple::ArchType arch_type = arch.GetTriple().getArch(); 186254721Semaste if ((arch_type == llvm::Triple::arm) || 187254721Semaste (arch_type == llvm::Triple::thumb)) 188254721Semaste { 189254721Semaste if (!g_abi_sp) 190254721Semaste g_abi_sp.reset (new ABIMacOSX_arm); 191254721Semaste return g_abi_sp; 192254721Semaste } 193254721Semaste return ABISP(); 194254721Semaste} 195254721Semaste 196254721Semastebool 197254721SemasteABIMacOSX_arm::PrepareTrivialCall (Thread &thread, 198254721Semaste addr_t sp, 199254721Semaste addr_t function_addr, 200254721Semaste addr_t return_addr, 201263367Semaste llvm::ArrayRef<addr_t> args) const 202254721Semaste{ 203254721Semaste RegisterContext *reg_ctx = thread.GetRegisterContext().get(); 204254721Semaste if (!reg_ctx) 205254721Semaste return false; 206254721Semaste 207254721Semaste const uint32_t pc_reg_num = reg_ctx->ConvertRegisterKindToRegisterNumber (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_PC); 208254721Semaste const uint32_t sp_reg_num = reg_ctx->ConvertRegisterKindToRegisterNumber (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_SP); 209254721Semaste const uint32_t ra_reg_num = reg_ctx->ConvertRegisterKindToRegisterNumber (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_RA); 210254721Semaste 211254721Semaste RegisterValue reg_value; 212254721Semaste 213263367Semaste const char *reg_names[] = { "r0", "r1", "r2", "r3" }; 214263367Semaste 215263367Semaste llvm::ArrayRef<addr_t>::iterator ai = args.begin(), ae = args.end(); 216263367Semaste 217263367Semaste for (size_t i = 0; i < (sizeof(reg_names) / sizeof(reg_names[0])); ++i) 218254721Semaste { 219263367Semaste if (ai == ae) 220263367Semaste break; 221263367Semaste 222263367Semaste reg_value.SetUInt32(*ai); 223263367Semaste if (!reg_ctx->WriteRegister(reg_ctx->GetRegisterInfoByName(reg_names[i]), reg_value)) 224254721Semaste return false; 225263367Semaste 226263367Semaste ++ai; 227263367Semaste } 228263367Semaste 229263367Semaste if (ai != ae) 230263367Semaste { 231263367Semaste // Spill onto the stack 232263367Semaste size_t num_stack_regs = ae - ai; 233263367Semaste 234263367Semaste sp -= (num_stack_regs * 4); 235263367Semaste // Keep the stack 8 byte aligned, not that we need to 236263367Semaste sp &= ~(8ull-1ull); 237263367Semaste 238263367Semaste // just using arg1 to get the right size 239263367Semaste const RegisterInfo *reg_info = reg_ctx->GetRegisterInfo(eRegisterKindGeneric, LLDB_REGNUM_GENERIC_ARG1); 240263367Semaste 241263367Semaste addr_t arg_pos = sp; 242263367Semaste 243263367Semaste for (; ai != ae; ++ai) 244254721Semaste { 245263367Semaste reg_value.SetUInt32(*ai); 246263367Semaste if (reg_ctx->WriteRegisterValueToMemory(reg_info, arg_pos, reg_info->byte_size, reg_value).Fail()) 247254721Semaste return false; 248263367Semaste arg_pos += reg_info->byte_size; 249254721Semaste } 250254721Semaste } 251254721Semaste 252254721Semaste TargetSP target_sp (thread.CalculateTarget()); 253254721Semaste Address so_addr; 254254721Semaste 255254721Semaste // Figure out if our return address is ARM or Thumb by using the 256254721Semaste // Address::GetCallableLoadAddress(Target*) which will figure out the ARM 257254721Semaste // thumb-ness and set the correct address bits for us. 258254721Semaste so_addr.SetLoadAddress (return_addr, target_sp.get()); 259254721Semaste return_addr = so_addr.GetCallableLoadAddress (target_sp.get()); 260254721Semaste 261254721Semaste // Set "lr" to the return address 262254721Semaste if (!reg_ctx->WriteRegisterFromUnsigned (ra_reg_num, return_addr)) 263254721Semaste return false; 264254721Semaste 265254721Semaste // Set "sp" to the requested value 266254721Semaste if (!reg_ctx->WriteRegisterFromUnsigned (sp_reg_num, sp)) 267254721Semaste return false; 268254721Semaste 269254721Semaste // If bit zero or 1 is set, this must be a thumb function, no need to figure 270254721Semaste // this out from the symbols. 271254721Semaste so_addr.SetLoadAddress (function_addr, target_sp.get()); 272254721Semaste function_addr = so_addr.GetCallableLoadAddress (target_sp.get()); 273254721Semaste 274254721Semaste const RegisterInfo *cpsr_reg_info = reg_ctx->GetRegisterInfoByName("cpsr"); 275254721Semaste const uint32_t curr_cpsr = reg_ctx->ReadRegisterAsUnsigned(cpsr_reg_info, 0); 276254721Semaste 277254721Semaste // Make a new CPSR and mask out any Thumb IT (if/then) bits 278254721Semaste uint32_t new_cpsr = curr_cpsr & ~MASK_CPSR_IT_MASK; 279254721Semaste // If bit zero or 1 is set, this must be thumb... 280254721Semaste if (function_addr & 1ull) 281254721Semaste new_cpsr |= MASK_CPSR_T; // Set T bit in CPSR 282254721Semaste else 283254721Semaste new_cpsr &= ~MASK_CPSR_T; // Clear T bit in CPSR 284254721Semaste 285254721Semaste if (new_cpsr != curr_cpsr) 286254721Semaste { 287254721Semaste if (!reg_ctx->WriteRegisterFromUnsigned (cpsr_reg_info, new_cpsr)) 288254721Semaste return false; 289254721Semaste } 290254721Semaste 291254721Semaste function_addr &= ~1ull; // clear bit zero since the CPSR will take care of the mode for us 292254721Semaste 293254721Semaste // Set "pc" to the address requested 294254721Semaste if (!reg_ctx->WriteRegisterFromUnsigned (pc_reg_num, function_addr)) 295254721Semaste return false; 296254721Semaste 297254721Semaste return true; 298254721Semaste} 299254721Semaste 300254721Semastebool 301254721SemasteABIMacOSX_arm::GetArgumentValues (Thread &thread, 302254721Semaste ValueList &values) const 303254721Semaste{ 304254721Semaste uint32_t num_values = values.GetSize(); 305254721Semaste 306254721Semaste 307254721Semaste ExecutionContext exe_ctx (thread.shared_from_this()); 308254721Semaste // For now, assume that the types in the AST values come from the Target's 309254721Semaste // scratch AST. 310254721Semaste 311254721Semaste // Extract the register context so we can read arguments from registers 312254721Semaste 313254721Semaste RegisterContext *reg_ctx = thread.GetRegisterContext().get(); 314254721Semaste 315254721Semaste if (!reg_ctx) 316254721Semaste return false; 317254721Semaste 318254721Semaste addr_t sp = 0; 319254721Semaste 320254721Semaste for (uint32_t value_idx = 0; value_idx < num_values; ++value_idx) 321254721Semaste { 322254721Semaste // We currently only support extracting values with Clang QualTypes. 323254721Semaste // Do we care about others? 324254721Semaste Value *value = values.GetValueAtIndex(value_idx); 325254721Semaste 326254721Semaste if (!value) 327254721Semaste return false; 328254721Semaste 329254721Semaste ClangASTType clang_type = value->GetClangType(); 330254721Semaste if (clang_type) 331254721Semaste { 332254721Semaste bool is_signed = false; 333254721Semaste size_t bit_width = 0; 334254721Semaste if (clang_type.IsIntegerType (is_signed)) 335254721Semaste { 336254721Semaste bit_width = clang_type.GetBitSize(); 337254721Semaste } 338254721Semaste else if (clang_type.IsPointerOrReferenceType ()) 339254721Semaste { 340254721Semaste bit_width = clang_type.GetBitSize(); 341254721Semaste } 342254721Semaste else 343254721Semaste { 344254721Semaste // We only handle integer, pointer and reference types currently... 345254721Semaste return false; 346254721Semaste } 347254721Semaste 348254721Semaste if (bit_width <= (exe_ctx.GetProcessRef().GetAddressByteSize() * 8)) 349254721Semaste { 350254721Semaste if (value_idx < 4) 351254721Semaste { 352254721Semaste // Arguments 1-4 are in r0-r3... 353254721Semaste const RegisterInfo *arg_reg_info = NULL; 354254721Semaste // Search by generic ID first, then fall back to by name 355254721Semaste uint32_t arg_reg_num = reg_ctx->ConvertRegisterKindToRegisterNumber (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_ARG1 + value_idx); 356254721Semaste if (arg_reg_num != LLDB_INVALID_REGNUM) 357254721Semaste { 358254721Semaste arg_reg_info = reg_ctx->GetRegisterInfoAtIndex(arg_reg_num); 359254721Semaste } 360254721Semaste else 361254721Semaste { 362254721Semaste switch (value_idx) 363254721Semaste { 364254721Semaste case 0: arg_reg_info = reg_ctx->GetRegisterInfoByName("r0"); break; 365254721Semaste case 1: arg_reg_info = reg_ctx->GetRegisterInfoByName("r1"); break; 366254721Semaste case 2: arg_reg_info = reg_ctx->GetRegisterInfoByName("r2"); break; 367254721Semaste case 3: arg_reg_info = reg_ctx->GetRegisterInfoByName("r3"); break; 368254721Semaste } 369254721Semaste } 370254721Semaste 371254721Semaste if (arg_reg_info) 372254721Semaste { 373254721Semaste RegisterValue reg_value; 374254721Semaste 375254721Semaste if (reg_ctx->ReadRegister(arg_reg_info, reg_value)) 376254721Semaste { 377254721Semaste if (is_signed) 378254721Semaste reg_value.SignExtend(bit_width); 379254721Semaste if (!reg_value.GetScalarValue(value->GetScalar())) 380254721Semaste return false; 381254721Semaste continue; 382254721Semaste } 383254721Semaste } 384254721Semaste return false; 385254721Semaste } 386254721Semaste else 387254721Semaste { 388254721Semaste if (sp == 0) 389254721Semaste { 390254721Semaste // Read the stack pointer if it already hasn't been read 391254721Semaste sp = reg_ctx->GetSP(0); 392254721Semaste if (sp == 0) 393254721Semaste return false; 394254721Semaste } 395254721Semaste 396254721Semaste // Arguments 5 on up are on the stack 397254721Semaste const uint32_t arg_byte_size = (bit_width + (8-1)) / 8; 398254721Semaste Error error; 399254721Semaste if (!exe_ctx.GetProcessRef().ReadScalarIntegerFromMemory(sp, arg_byte_size, is_signed, value->GetScalar(), error)) 400254721Semaste return false; 401254721Semaste 402254721Semaste sp += arg_byte_size; 403254721Semaste } 404254721Semaste } 405254721Semaste } 406254721Semaste } 407254721Semaste return true; 408254721Semaste} 409254721Semaste 410254721SemasteValueObjectSP 411254721SemasteABIMacOSX_arm::GetReturnValueObjectImpl (Thread &thread, 412254721Semaste lldb_private::ClangASTType &clang_type) const 413254721Semaste{ 414254721Semaste Value value; 415254721Semaste ValueObjectSP return_valobj_sp; 416254721Semaste 417254721Semaste if (!clang_type) 418254721Semaste return return_valobj_sp; 419254721Semaste 420254721Semaste clang::ASTContext *ast_context = clang_type.GetASTContext(); 421254721Semaste if (!ast_context) 422254721Semaste return return_valobj_sp; 423254721Semaste 424254721Semaste //value.SetContext (Value::eContextTypeClangType, clang_type.GetOpaqueQualType()); 425254721Semaste value.SetClangType (clang_type); 426254721Semaste 427254721Semaste RegisterContext *reg_ctx = thread.GetRegisterContext().get(); 428254721Semaste if (!reg_ctx) 429254721Semaste return return_valobj_sp; 430254721Semaste 431254721Semaste bool is_signed; 432254721Semaste 433254721Semaste // Get the pointer to the first stack argument so we have a place to start 434254721Semaste // when reading data 435254721Semaste 436254721Semaste const RegisterInfo *r0_reg_info = reg_ctx->GetRegisterInfoByName("r0", 0); 437254721Semaste if (clang_type.IsIntegerType (is_signed)) 438254721Semaste { 439254721Semaste size_t bit_width = clang_type.GetBitSize(); 440254721Semaste 441254721Semaste switch (bit_width) 442254721Semaste { 443254721Semaste default: 444254721Semaste return return_valobj_sp; 445254721Semaste case 64: 446254721Semaste { 447254721Semaste const RegisterInfo *r1_reg_info = reg_ctx->GetRegisterInfoByName("r1", 0); 448254721Semaste uint64_t raw_value; 449254721Semaste raw_value = reg_ctx->ReadRegisterAsUnsigned(r0_reg_info, 0) & UINT32_MAX; 450254721Semaste raw_value |= ((uint64_t)(reg_ctx->ReadRegisterAsUnsigned(r1_reg_info, 0) & UINT32_MAX)) << 32; 451254721Semaste if (is_signed) 452254721Semaste value.GetScalar() = (int64_t)raw_value; 453254721Semaste else 454254721Semaste value.GetScalar() = (uint64_t)raw_value; 455254721Semaste } 456254721Semaste break; 457254721Semaste case 32: 458254721Semaste if (is_signed) 459254721Semaste value.GetScalar() = (int32_t)(reg_ctx->ReadRegisterAsUnsigned(r0_reg_info, 0) & UINT32_MAX); 460254721Semaste else 461254721Semaste value.GetScalar() = (uint32_t)(reg_ctx->ReadRegisterAsUnsigned(r0_reg_info, 0) & UINT32_MAX); 462254721Semaste break; 463254721Semaste case 16: 464254721Semaste if (is_signed) 465254721Semaste value.GetScalar() = (int16_t)(reg_ctx->ReadRegisterAsUnsigned(r0_reg_info, 0) & UINT16_MAX); 466254721Semaste else 467254721Semaste value.GetScalar() = (uint16_t)(reg_ctx->ReadRegisterAsUnsigned(r0_reg_info, 0) & UINT16_MAX); 468254721Semaste break; 469254721Semaste case 8: 470254721Semaste if (is_signed) 471254721Semaste value.GetScalar() = (int8_t)(reg_ctx->ReadRegisterAsUnsigned(r0_reg_info, 0) & UINT8_MAX); 472254721Semaste else 473254721Semaste value.GetScalar() = (uint8_t)(reg_ctx->ReadRegisterAsUnsigned(r0_reg_info, 0) & UINT8_MAX); 474254721Semaste break; 475254721Semaste } 476254721Semaste } 477254721Semaste else if (clang_type.IsPointerType ()) 478254721Semaste { 479254721Semaste uint32_t ptr = thread.GetRegisterContext()->ReadRegisterAsUnsigned(r0_reg_info, 0) & UINT32_MAX; 480254721Semaste value.GetScalar() = ptr; 481254721Semaste } 482254721Semaste else 483254721Semaste { 484254721Semaste // not handled yet 485254721Semaste return return_valobj_sp; 486254721Semaste } 487254721Semaste 488254721Semaste // If we get here, we have a valid Value, so make our ValueObject out of it: 489254721Semaste 490254721Semaste return_valobj_sp = ValueObjectConstResult::Create(thread.GetStackFrameAtIndex(0).get(), 491254721Semaste value, 492254721Semaste ConstString("")); 493254721Semaste return return_valobj_sp; 494254721Semaste} 495254721Semaste 496254721SemasteError 497254721SemasteABIMacOSX_arm::SetReturnValueObject(lldb::StackFrameSP &frame_sp, lldb::ValueObjectSP &new_value_sp) 498254721Semaste{ 499254721Semaste Error error; 500254721Semaste if (!new_value_sp) 501254721Semaste { 502254721Semaste error.SetErrorString("Empty value object for return value."); 503254721Semaste return error; 504254721Semaste } 505254721Semaste 506254721Semaste ClangASTType clang_type = new_value_sp->GetClangType(); 507254721Semaste if (!clang_type) 508254721Semaste { 509254721Semaste error.SetErrorString ("Null clang type for return value."); 510254721Semaste return error; 511254721Semaste } 512254721Semaste 513254721Semaste Thread *thread = frame_sp->GetThread().get(); 514254721Semaste 515254721Semaste bool is_signed; 516254721Semaste uint32_t count; 517254721Semaste bool is_complex; 518254721Semaste 519254721Semaste RegisterContext *reg_ctx = thread->GetRegisterContext().get(); 520254721Semaste 521254721Semaste bool set_it_simple = false; 522254721Semaste if (clang_type.IsIntegerType (is_signed) || clang_type.IsPointerType()) 523254721Semaste { 524254721Semaste DataExtractor data; 525254721Semaste size_t num_bytes = new_value_sp->GetData(data); 526254721Semaste lldb::offset_t offset = 0; 527254721Semaste if (num_bytes <= 8) 528254721Semaste { 529254721Semaste const RegisterInfo *r0_info = reg_ctx->GetRegisterInfoByName("r0", 0); 530254721Semaste if (num_bytes <= 4) 531254721Semaste { 532254721Semaste uint32_t raw_value = data.GetMaxU32(&offset, num_bytes); 533254721Semaste 534254721Semaste if (reg_ctx->WriteRegisterFromUnsigned (r0_info, raw_value)) 535254721Semaste set_it_simple = true; 536254721Semaste } 537254721Semaste else 538254721Semaste { 539254721Semaste uint32_t raw_value = data.GetMaxU32(&offset, 4); 540254721Semaste 541254721Semaste if (reg_ctx->WriteRegisterFromUnsigned (r0_info, raw_value)) 542254721Semaste { 543254721Semaste const RegisterInfo *r1_info = reg_ctx->GetRegisterInfoByName("r1", 0); 544254721Semaste uint32_t raw_value = data.GetMaxU32(&offset, num_bytes - offset); 545254721Semaste 546254721Semaste if (reg_ctx->WriteRegisterFromUnsigned (r1_info, raw_value)) 547254721Semaste set_it_simple = true; 548254721Semaste } 549254721Semaste } 550254721Semaste } 551254721Semaste else 552254721Semaste { 553254721Semaste error.SetErrorString("We don't support returning longer than 64 bit integer values at present."); 554254721Semaste } 555254721Semaste } 556254721Semaste else if (clang_type.IsFloatingPointType (count, is_complex)) 557254721Semaste { 558254721Semaste if (is_complex) 559254721Semaste error.SetErrorString ("We don't support returning complex values at present"); 560254721Semaste else 561254721Semaste error.SetErrorString ("We don't support returning float values at present"); 562254721Semaste } 563254721Semaste 564254721Semaste if (!set_it_simple) 565254721Semaste error.SetErrorString ("We only support setting simple integer return types at present."); 566254721Semaste 567254721Semaste return error; 568254721Semaste} 569254721Semaste 570254721Semastebool 571254721SemasteABIMacOSX_arm::CreateFunctionEntryUnwindPlan (UnwindPlan &unwind_plan) 572254721Semaste{ 573263363Semaste unwind_plan.Clear(); 574263363Semaste unwind_plan.SetRegisterKind (eRegisterKindDWARF); 575263363Semaste 576263363Semaste uint32_t lr_reg_num = dwarf_lr; 577263363Semaste uint32_t sp_reg_num = dwarf_sp; 578263363Semaste uint32_t pc_reg_num = dwarf_pc; 579254721Semaste 580254721Semaste UnwindPlan::RowSP row(new UnwindPlan::Row); 581254721Semaste 582254721Semaste // Our Call Frame Address is the stack pointer value 583254721Semaste row->SetCFARegister (sp_reg_num); 584254721Semaste 585254721Semaste // The previous PC is in the LR 586254721Semaste row->SetRegisterLocationToRegister(pc_reg_num, lr_reg_num, true); 587254721Semaste unwind_plan.AppendRow (row); 588254721Semaste 589254721Semaste // All other registers are the same. 590254721Semaste 591254721Semaste unwind_plan.SetSourceName ("arm at-func-entry default"); 592254721Semaste unwind_plan.SetSourcedFromCompiler (eLazyBoolNo); 593254721Semaste 594254721Semaste return true; 595254721Semaste} 596254721Semaste 597254721Semastebool 598254721SemasteABIMacOSX_arm::CreateDefaultUnwindPlan (UnwindPlan &unwind_plan) 599254721Semaste{ 600263363Semaste unwind_plan.Clear (); 601263363Semaste unwind_plan.SetRegisterKind (eRegisterKindDWARF); 602263363Semaste 603263363Semaste uint32_t fp_reg_num = dwarf_r7; // apple uses r7 for all frames. Normal arm uses r11 604254721Semaste uint32_t pc_reg_num = dwarf_pc; 605254721Semaste 606254721Semaste UnwindPlan::RowSP row(new UnwindPlan::Row); 607254721Semaste const int32_t ptr_size = 4; 608254721Semaste 609254721Semaste row->SetCFARegister (fp_reg_num); 610254721Semaste row->SetCFAOffset (2 * ptr_size); 611254721Semaste row->SetOffset (0); 612254721Semaste 613254721Semaste row->SetRegisterLocationToAtCFAPlusOffset(fp_reg_num, ptr_size * -2, true); 614254721Semaste row->SetRegisterLocationToAtCFAPlusOffset(pc_reg_num, ptr_size * -1, true); 615254721Semaste 616254721Semaste unwind_plan.AppendRow (row); 617254721Semaste unwind_plan.SetSourceName ("arm-apple-ios default unwind plan"); 618254721Semaste unwind_plan.SetSourcedFromCompiler (eLazyBoolNo); 619254721Semaste unwind_plan.SetUnwindPlanValidAtAllInstructions (eLazyBoolNo); 620254721Semaste 621254721Semaste return true; 622254721Semaste} 623254721Semaste 624263363Semaste// cf. "ARMv6 Function Calling Conventions" 625263363Semaste// https://developer.apple.com/library/ios/documentation/Xcode/Conceptual/iPhoneOSABIReference/Articles/ARMv6FunctionCallingConventions.html 626263363Semaste// and "ARMv7 Function Calling Conventions" 627263363Semaste// https://developer.apple.com/library/ios/documentation/Xcode/Conceptual/iPhoneOSABIReference/Articles/ARMv7FunctionCallingConventions.html 628263363Semaste 629254721Semaste// ARMv7 on iOS general purpose reg rules: 630254721Semaste// r0-r3 not preserved (used for argument passing) 631254721Semaste// r4-r6 preserved 632254721Semaste// r7 preserved (frame pointer) 633254721Semaste// r8 preserved 634254721Semaste// r9 not preserved (usable as volatile scratch register with iOS 3.x and later) 635254721Semaste// r10-r11 preserved 636254721Semaste// r12 not presrved 637254721Semaste// r13 preserved (stack pointer) 638254721Semaste// r14 not preserved (link register) 639254721Semaste// r15 preserved (pc) 640254721Semaste// cpsr not preserved (different rules for different bits) 641254721Semaste 642254721Semaste// ARMv7 on iOS floating point rules: 643254721Semaste// d0-d7 not preserved (aka s0-s15, q0-q3) 644254721Semaste// d8-d15 preserved (aka s16-s31, q4-q7) 645254721Semaste// d16-d31 not preserved (aka q8-q15) 646254721Semaste 647254721Semastebool 648254721SemasteABIMacOSX_arm::RegisterIsVolatile (const RegisterInfo *reg_info) 649254721Semaste{ 650254721Semaste if (reg_info) 651254721Semaste { 652263363Semaste // Volatile registers are: r0, r1, r2, r3, r9, r12, r13 (aka sp) 653254721Semaste const char *name = reg_info->name; 654254721Semaste if (name[0] == 'r') 655254721Semaste { 656254721Semaste switch (name[1]) 657254721Semaste { 658254721Semaste case '0': return name[2] == '\0'; // r0 659254721Semaste case '1': 660254721Semaste switch (name[2]) 661254721Semaste { 662254721Semaste case '\0': 663254721Semaste return true; // r1 664254721Semaste case '2': 665254721Semaste case '3': 666263363Semaste return name[3] == '\0'; // r12, r13 (sp) 667254721Semaste default: 668254721Semaste break; 669254721Semaste } 670254721Semaste break; 671254721Semaste 672254721Semaste case '2': return name[2] == '\0'; // r2 673254721Semaste case '3': return name[2] == '\0'; // r3 674254721Semaste case '9': return name[2] == '\0'; // r9 (apple-ios only...) 675254721Semaste 676254721Semaste break; 677254721Semaste } 678254721Semaste } 679254721Semaste else if (name[0] == 'd') 680254721Semaste { 681254721Semaste switch (name[1]) 682254721Semaste { 683254721Semaste case '0': 684254721Semaste return name[2] == '\0'; // d0 is volatile 685254721Semaste 686254721Semaste case '1': 687254721Semaste switch (name[2]) 688254721Semaste { 689254721Semaste case '\0': 690254721Semaste return true; // d1 is volatile 691254721Semaste case '6': 692254721Semaste case '7': 693254721Semaste case '8': 694254721Semaste case '9': 695254721Semaste return name[3] == '\0'; // d16 - d19 are volatile 696254721Semaste default: 697254721Semaste break; 698254721Semaste } 699254721Semaste break; 700254721Semaste 701254721Semaste case '2': 702254721Semaste switch (name[2]) 703254721Semaste { 704254721Semaste case '\0': 705254721Semaste return true; // d2 is volatile 706254721Semaste case '0': 707254721Semaste case '1': 708254721Semaste case '2': 709254721Semaste case '3': 710254721Semaste case '4': 711254721Semaste case '5': 712254721Semaste case '6': 713254721Semaste case '7': 714254721Semaste case '8': 715254721Semaste case '9': 716254721Semaste return name[3] == '\0'; // d20 - d29 are volatile 717254721Semaste default: 718254721Semaste break; 719254721Semaste } 720254721Semaste break; 721254721Semaste 722254721Semaste case '3': 723254721Semaste switch (name[2]) 724254721Semaste { 725254721Semaste case '\0': 726254721Semaste return true; // d3 is volatile 727254721Semaste case '0': 728254721Semaste case '1': 729254721Semaste return name[3] == '\0'; // d30 - d31 are volatile 730254721Semaste default: 731254721Semaste break; 732254721Semaste } 733254721Semaste case '4': 734254721Semaste case '5': 735254721Semaste case '6': 736254721Semaste case '7': 737254721Semaste return name[2] == '\0'; // d4 - d7 are volatile 738254721Semaste 739254721Semaste default: 740254721Semaste break; 741254721Semaste } 742254721Semaste } 743254721Semaste else if (name[0] == 's') 744254721Semaste { 745254721Semaste switch (name[1]) 746254721Semaste { 747254721Semaste case '0': 748254721Semaste return name[2] == '\0'; // s0 is volatile 749254721Semaste 750254721Semaste case '1': 751254721Semaste switch (name[2]) 752254721Semaste { 753254721Semaste case '\0': 754254721Semaste return true; // s1 is volatile 755254721Semaste case '0': 756254721Semaste case '1': 757254721Semaste case '2': 758254721Semaste case '3': 759254721Semaste case '4': 760254721Semaste case '5': 761254721Semaste return name[3] == '\0'; // s10 - s15 are volatile 762254721Semaste default: 763254721Semaste break; 764254721Semaste } 765254721Semaste break; 766254721Semaste 767254721Semaste case '2': 768254721Semaste switch (name[2]) 769254721Semaste { 770254721Semaste case '\0': 771254721Semaste return true; // s2 is volatile 772254721Semaste default: 773254721Semaste break; 774254721Semaste } 775254721Semaste break; 776254721Semaste 777254721Semaste case '3': 778254721Semaste switch (name[2]) 779254721Semaste { 780254721Semaste case '\0': 781254721Semaste return true; // s3 is volatile 782254721Semaste default: 783254721Semaste break; 784254721Semaste } 785254721Semaste case '4': 786254721Semaste case '5': 787254721Semaste case '6': 788254721Semaste case '7': 789254721Semaste case '8': 790254721Semaste case '9': 791254721Semaste return name[2] == '\0'; // s4 - s9 are volatile 792254721Semaste 793254721Semaste default: 794254721Semaste break; 795254721Semaste } 796254721Semaste } 797254721Semaste else if (name[0] == 's' && name[1] == 'p' && name[2] == '\0') 798254721Semaste return true; 799254721Semaste } 800254721Semaste return false; 801254721Semaste} 802254721Semaste 803254721Semastevoid 804254721SemasteABIMacOSX_arm::Initialize() 805254721Semaste{ 806254721Semaste PluginManager::RegisterPlugin (GetPluginNameStatic(), 807254721Semaste "Mac OS X ABI for arm targets", 808254721Semaste CreateInstance); 809254721Semaste} 810254721Semaste 811254721Semastevoid 812254721SemasteABIMacOSX_arm::Terminate() 813254721Semaste{ 814254721Semaste PluginManager::UnregisterPlugin (CreateInstance); 815254721Semaste} 816254721Semaste 817254721Semastelldb_private::ConstString 818254721SemasteABIMacOSX_arm::GetPluginNameStatic() 819254721Semaste{ 820254721Semaste static ConstString g_name("macosx-arm"); 821254721Semaste return g_name; 822254721Semaste} 823254721Semaste 824254721Semaste//------------------------------------------------------------------ 825254721Semaste// PluginInterface protocol 826254721Semaste//------------------------------------------------------------------ 827254721Semastelldb_private::ConstString 828254721SemasteABIMacOSX_arm::GetPluginName() 829254721Semaste{ 830254721Semaste return GetPluginNameStatic(); 831254721Semaste} 832254721Semaste 833254721Semasteuint32_t 834254721SemasteABIMacOSX_arm::GetPluginVersion() 835254721Semaste{ 836254721Semaste return 1; 837254721Semaste} 838254721Semaste 839