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authorDimitry Andric <dim@FreeBSD.org>2017-01-02 19:26:05 +0000
committerDimitry Andric <dim@FreeBSD.org>2017-01-02 19:26:05 +0000
commit14f1b3e8826ce43b978db93a62d1166055db5394 (patch)
tree0a00ad8d3498783fe0193f3b656bca17c4c8697d /source/Plugins/ABI/SysV-ppc64/ABISysV_ppc64.cpp
parent4ee8c119c71a06dcad1e0fecc8c675e480e59337 (diff)
downloadsrc-14f1b3e8826ce43b978db93a62d1166055db5394.tar.gz
src-14f1b3e8826ce43b978db93a62d1166055db5394.zip
Vendor import of lldb trunk r290819:vendor/lldb/lldb-trunk-r290819
Notes
Notes: svn path=/vendor/lldb/dist/; revision=311128 svn path=/vendor/lldb/lldb-trunk-r290819/; revision=311129; tag=vendor/lldb/lldb-trunk-r290819
Diffstat (limited to 'source/Plugins/ABI/SysV-ppc64/ABISysV_ppc64.cpp')
-rw-r--r--source/Plugins/ABI/SysV-ppc64/ABISysV_ppc64.cpp1640
1 files changed, 798 insertions, 842 deletions
diff --git a/source/Plugins/ABI/SysV-ppc64/ABISysV_ppc64.cpp b/source/Plugins/ABI/SysV-ppc64/ABISysV_ppc64.cpp
index fea847dd17ee..4ffcba377345 100644
--- a/source/Plugins/ABI/SysV-ppc64/ABISysV_ppc64.cpp
+++ b/source/Plugins/ABI/SysV-ppc64/ABISysV_ppc64.cpp
@@ -25,231 +25,271 @@
#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_f0,
- dwarf_f1,
- dwarf_f2,
- dwarf_f3,
- dwarf_f4,
- dwarf_f5,
- dwarf_f6,
- dwarf_f7,
- dwarf_f8,
- dwarf_f9,
- dwarf_f10,
- dwarf_f11,
- dwarf_f12,
- dwarf_f13,
- dwarf_f14,
- dwarf_f15,
- dwarf_f16,
- dwarf_f17,
- dwarf_f18,
- dwarf_f19,
- dwarf_f20,
- dwarf_f21,
- dwarf_f22,
- dwarf_f23,
- dwarf_f24,
- dwarf_f25,
- dwarf_f26,
- dwarf_f27,
- dwarf_f28,
- dwarf_f29,
- dwarf_f30,
- dwarf_f31,
- dwarf_cr,
- dwarf_fpscr,
- dwarf_xer = 101,
- dwarf_lr = 108,
- dwarf_ctr,
- dwarf_pc,
- dwarf_cfa,
+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_f0,
+ dwarf_f1,
+ dwarf_f2,
+ dwarf_f3,
+ dwarf_f4,
+ dwarf_f5,
+ dwarf_f6,
+ dwarf_f7,
+ dwarf_f8,
+ dwarf_f9,
+ dwarf_f10,
+ dwarf_f11,
+ dwarf_f12,
+ dwarf_f13,
+ dwarf_f14,
+ dwarf_f15,
+ dwarf_f16,
+ dwarf_f17,
+ dwarf_f18,
+ dwarf_f19,
+ dwarf_f20,
+ dwarf_f21,
+ dwarf_f22,
+ dwarf_f23,
+ dwarf_f24,
+ dwarf_f25,
+ dwarf_f26,
+ dwarf_f27,
+ dwarf_f28,
+ dwarf_f29,
+ dwarf_f30,
+ dwarf_f31,
+ dwarf_cr,
+ dwarf_fpscr,
+ dwarf_xer = 101,
+ dwarf_lr = 108,
+ dwarf_ctr,
+ dwarf_pc,
+ dwarf_cfa,
};
// Note that the size and offset will be updated by platform-specific classes.
-#define DEFINE_GPR(reg, alt, kind1, kind2, kind3, kind4) \
- { #reg, alt, 8, 0, eEncodingUint, \
- eFormatHex, { kind1, kind2, kind3, kind4}, nullptr, nullptr }
-
-static const RegisterInfo
-g_register_infos[] =
-{
- // General purpose registers. eh_frame, DWARF, Generic, Process Plugin
- DEFINE_GPR(r0, nullptr, dwarf_r0, dwarf_r0, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM),
- DEFINE_GPR(r1, "sp", dwarf_r1, dwarf_r1, LLDB_REGNUM_GENERIC_SP, LLDB_INVALID_REGNUM),
- DEFINE_GPR(r2, nullptr, dwarf_r2, dwarf_r2, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM),
- DEFINE_GPR(r3, "arg1", dwarf_r3, dwarf_r3, LLDB_REGNUM_GENERIC_ARG1, LLDB_INVALID_REGNUM),
- DEFINE_GPR(r4, "arg2", dwarf_r4, dwarf_r4, LLDB_REGNUM_GENERIC_ARG2 ,LLDB_INVALID_REGNUM),
- DEFINE_GPR(r5, "arg3", dwarf_r5, dwarf_r5, LLDB_REGNUM_GENERIC_ARG3, LLDB_INVALID_REGNUM),
- DEFINE_GPR(r6, "arg4", dwarf_r6, dwarf_r6, LLDB_REGNUM_GENERIC_ARG4, LLDB_INVALID_REGNUM),
- DEFINE_GPR(r7, "arg5", dwarf_r7, dwarf_r7, LLDB_REGNUM_GENERIC_ARG5, LLDB_INVALID_REGNUM),
- DEFINE_GPR(r8, "arg6", dwarf_r8, dwarf_r8, LLDB_REGNUM_GENERIC_ARG6, LLDB_INVALID_REGNUM),
- DEFINE_GPR(r9, "arg7", dwarf_r9, dwarf_r9, LLDB_REGNUM_GENERIC_ARG7, LLDB_INVALID_REGNUM),
- DEFINE_GPR(r10, "arg8", dwarf_r10, dwarf_r10, LLDB_REGNUM_GENERIC_ARG8, LLDB_INVALID_REGNUM),
- DEFINE_GPR(r11, nullptr, dwarf_r11, dwarf_r11, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM),
- DEFINE_GPR(r12, nullptr, dwarf_r12, dwarf_r12, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM),
- DEFINE_GPR(r13, nullptr, dwarf_r13, dwarf_r13, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM),
- DEFINE_GPR(r14, nullptr, dwarf_r14, dwarf_r14, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM),
- DEFINE_GPR(r15, nullptr, dwarf_r15, dwarf_r15, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM),
- DEFINE_GPR(r16, nullptr, dwarf_r16, dwarf_r16, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM),
- DEFINE_GPR(r17, nullptr, dwarf_r17, dwarf_r17, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM),
- DEFINE_GPR(r18, nullptr, dwarf_r18, dwarf_r18, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM),
- DEFINE_GPR(r19, nullptr, dwarf_r19, dwarf_r19, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM),
- DEFINE_GPR(r20, nullptr, dwarf_r20, dwarf_r20, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM),
- DEFINE_GPR(r21, nullptr, dwarf_r21, dwarf_r21, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM),
- DEFINE_GPR(r22, nullptr, dwarf_r22, dwarf_r22, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM),
- DEFINE_GPR(r23, nullptr, dwarf_r23, dwarf_r23, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM),
- DEFINE_GPR(r24, nullptr, dwarf_r24, dwarf_r24, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM),
- DEFINE_GPR(r25, nullptr, dwarf_r25, dwarf_r25, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM),
- DEFINE_GPR(r26, nullptr, dwarf_r26, dwarf_r26, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM),
- DEFINE_GPR(r27, nullptr, dwarf_r27, dwarf_r27, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM),
- DEFINE_GPR(r28, nullptr, dwarf_r28, dwarf_r28, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM),
- DEFINE_GPR(r29, nullptr, dwarf_r29, dwarf_r29, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM),
- DEFINE_GPR(r30, nullptr, dwarf_r30, dwarf_r30, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM),
- DEFINE_GPR(r31, nullptr, dwarf_r31, dwarf_r31, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM),
- DEFINE_GPR(lr, "lr", dwarf_lr, dwarf_lr, LLDB_REGNUM_GENERIC_RA, LLDB_INVALID_REGNUM),
- DEFINE_GPR(cr, "cr", dwarf_cr, dwarf_cr, LLDB_REGNUM_GENERIC_FLAGS, LLDB_INVALID_REGNUM),
- DEFINE_GPR(xer, "xer", dwarf_xer, dwarf_xer, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM),
- DEFINE_GPR(ctr, "ctr", dwarf_ctr, dwarf_ctr, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM),
- DEFINE_GPR(pc, "pc", dwarf_pc, dwarf_pc, LLDB_REGNUM_GENERIC_PC, LLDB_INVALID_REGNUM),
- { nullptr, nullptr, 8, 0, eEncodingUint, eFormatHex, { dwarf_cfa, dwarf_cfa, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr }
-};
-
-static const uint32_t k_num_register_infos = llvm::array_lengthof(g_register_infos);
+#define DEFINE_GPR(reg, alt, kind1, kind2, kind3, kind4) \
+ { \
+ #reg, alt, 8, 0, eEncodingUint, eFormatHex, {kind1, kind2, kind3, kind4 }, \
+ nullptr, nullptr, nullptr, 0 \
+ }
+
+static const RegisterInfo g_register_infos[] = {
+ // General purpose registers. eh_frame, DWARF,
+ // Generic, Process Plugin
+ DEFINE_GPR(r0, nullptr, dwarf_r0, dwarf_r0, LLDB_INVALID_REGNUM,
+ LLDB_INVALID_REGNUM),
+ DEFINE_GPR(r1, "sp", dwarf_r1, dwarf_r1, LLDB_REGNUM_GENERIC_SP,
+ LLDB_INVALID_REGNUM),
+ DEFINE_GPR(r2, nullptr, dwarf_r2, dwarf_r2, LLDB_INVALID_REGNUM,
+ LLDB_INVALID_REGNUM),
+ DEFINE_GPR(r3, "arg1", dwarf_r3, dwarf_r3, LLDB_REGNUM_GENERIC_ARG1,
+ LLDB_INVALID_REGNUM),
+ DEFINE_GPR(r4, "arg2", dwarf_r4, dwarf_r4, LLDB_REGNUM_GENERIC_ARG2,
+ LLDB_INVALID_REGNUM),
+ DEFINE_GPR(r5, "arg3", dwarf_r5, dwarf_r5, LLDB_REGNUM_GENERIC_ARG3,
+ LLDB_INVALID_REGNUM),
+ DEFINE_GPR(r6, "arg4", dwarf_r6, dwarf_r6, LLDB_REGNUM_GENERIC_ARG4,
+ LLDB_INVALID_REGNUM),
+ DEFINE_GPR(r7, "arg5", dwarf_r7, dwarf_r7, LLDB_REGNUM_GENERIC_ARG5,
+ LLDB_INVALID_REGNUM),
+ DEFINE_GPR(r8, "arg6", dwarf_r8, dwarf_r8, LLDB_REGNUM_GENERIC_ARG6,
+ LLDB_INVALID_REGNUM),
+ DEFINE_GPR(r9, "arg7", dwarf_r9, dwarf_r9, LLDB_REGNUM_GENERIC_ARG7,
+ LLDB_INVALID_REGNUM),
+ DEFINE_GPR(r10, "arg8", dwarf_r10, dwarf_r10, LLDB_REGNUM_GENERIC_ARG8,
+ LLDB_INVALID_REGNUM),
+ DEFINE_GPR(r11, nullptr, dwarf_r11, dwarf_r11, LLDB_INVALID_REGNUM,
+ LLDB_INVALID_REGNUM),
+ DEFINE_GPR(r12, nullptr, dwarf_r12, dwarf_r12, LLDB_INVALID_REGNUM,
+ LLDB_INVALID_REGNUM),
+ DEFINE_GPR(r13, nullptr, dwarf_r13, dwarf_r13, LLDB_INVALID_REGNUM,
+ LLDB_INVALID_REGNUM),
+ DEFINE_GPR(r14, nullptr, dwarf_r14, dwarf_r14, LLDB_INVALID_REGNUM,
+ LLDB_INVALID_REGNUM),
+ DEFINE_GPR(r15, nullptr, dwarf_r15, dwarf_r15, LLDB_INVALID_REGNUM,
+ LLDB_INVALID_REGNUM),
+ DEFINE_GPR(r16, nullptr, dwarf_r16, dwarf_r16, LLDB_INVALID_REGNUM,
+ LLDB_INVALID_REGNUM),
+ DEFINE_GPR(r17, nullptr, dwarf_r17, dwarf_r17, LLDB_INVALID_REGNUM,
+ LLDB_INVALID_REGNUM),
+ DEFINE_GPR(r18, nullptr, dwarf_r18, dwarf_r18, LLDB_INVALID_REGNUM,
+ LLDB_INVALID_REGNUM),
+ DEFINE_GPR(r19, nullptr, dwarf_r19, dwarf_r19, LLDB_INVALID_REGNUM,
+ LLDB_INVALID_REGNUM),
+ DEFINE_GPR(r20, nullptr, dwarf_r20, dwarf_r20, LLDB_INVALID_REGNUM,
+ LLDB_INVALID_REGNUM),
+ DEFINE_GPR(r21, nullptr, dwarf_r21, dwarf_r21, LLDB_INVALID_REGNUM,
+ LLDB_INVALID_REGNUM),
+ DEFINE_GPR(r22, nullptr, dwarf_r22, dwarf_r22, LLDB_INVALID_REGNUM,
+ LLDB_INVALID_REGNUM),
+ DEFINE_GPR(r23, nullptr, dwarf_r23, dwarf_r23, LLDB_INVALID_REGNUM,
+ LLDB_INVALID_REGNUM),
+ DEFINE_GPR(r24, nullptr, dwarf_r24, dwarf_r24, LLDB_INVALID_REGNUM,
+ LLDB_INVALID_REGNUM),
+ DEFINE_GPR(r25, nullptr, dwarf_r25, dwarf_r25, LLDB_INVALID_REGNUM,
+ LLDB_INVALID_REGNUM),
+ DEFINE_GPR(r26, nullptr, dwarf_r26, dwarf_r26, LLDB_INVALID_REGNUM,
+ LLDB_INVALID_REGNUM),
+ DEFINE_GPR(r27, nullptr, dwarf_r27, dwarf_r27, LLDB_INVALID_REGNUM,
+ LLDB_INVALID_REGNUM),
+ DEFINE_GPR(r28, nullptr, dwarf_r28, dwarf_r28, LLDB_INVALID_REGNUM,
+ LLDB_INVALID_REGNUM),
+ DEFINE_GPR(r29, nullptr, dwarf_r29, dwarf_r29, LLDB_INVALID_REGNUM,
+ LLDB_INVALID_REGNUM),
+ DEFINE_GPR(r30, nullptr, dwarf_r30, dwarf_r30, LLDB_INVALID_REGNUM,
+ LLDB_INVALID_REGNUM),
+ DEFINE_GPR(r31, nullptr, dwarf_r31, dwarf_r31, LLDB_INVALID_REGNUM,
+ LLDB_INVALID_REGNUM),
+ DEFINE_GPR(lr, "lr", dwarf_lr, dwarf_lr, LLDB_REGNUM_GENERIC_RA,
+ LLDB_INVALID_REGNUM),
+ DEFINE_GPR(cr, "cr", dwarf_cr, dwarf_cr, LLDB_REGNUM_GENERIC_FLAGS,
+ LLDB_INVALID_REGNUM),
+ DEFINE_GPR(xer, "xer", dwarf_xer, dwarf_xer, LLDB_INVALID_REGNUM,
+ LLDB_INVALID_REGNUM),
+ DEFINE_GPR(ctr, "ctr", dwarf_ctr, dwarf_ctr, LLDB_INVALID_REGNUM,
+ LLDB_INVALID_REGNUM),
+ DEFINE_GPR(pc, "pc", dwarf_pc, dwarf_pc, LLDB_REGNUM_GENERIC_PC,
+ LLDB_INVALID_REGNUM),
+ {nullptr,
+ nullptr,
+ 8,
+ 0,
+ eEncodingUint,
+ eFormatHex,
+ {dwarf_cfa, dwarf_cfa, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM},
+ nullptr,
+ nullptr,
+ nullptr,
+ 0}};
+
+static const uint32_t k_num_register_infos =
+ llvm::array_lengthof(g_register_infos);
const lldb_private::RegisterInfo *
-ABISysV_ppc64::GetRegisterInfoArray (uint32_t &count)
-{
- count = k_num_register_infos;
- return g_register_infos;
+ABISysV_ppc64::GetRegisterInfoArray(uint32_t &count) {
+ count = k_num_register_infos;
+ return g_register_infos;
}
-size_t
-ABISysV_ppc64::GetRedZoneSize () const
-{
- return 224;
-}
+size_t ABISysV_ppc64::GetRedZoneSize() const { return 224; }
//------------------------------------------------------------------
// Static Functions
//------------------------------------------------------------------
ABISP
-ABISysV_ppc64::CreateInstance (const ArchSpec &arch)
-{
- static ABISP g_abi_sp;
- if (arch.GetTriple().getArch() == llvm::Triple::ppc64)
- {
- if (!g_abi_sp)
- g_abi_sp.reset (new ABISysV_ppc64);
- return g_abi_sp;
- }
- return ABISP();
+ABISysV_ppc64::CreateInstance(const ArchSpec &arch) {
+ static ABISP g_abi_sp;
+ if (arch.GetTriple().getArch() == llvm::Triple::ppc64) {
+ if (!g_abi_sp)
+ g_abi_sp.reset(new ABISysV_ppc64);
+ return g_abi_sp;
+ }
+ return ABISP();
}
-bool
-ABISysV_ppc64::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_ppc64::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_ppc64::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%" PRIu64 " = 0x%" PRIx64, static_cast<uint64_t>(i + 1), args[i]);
- s.PutCString (")");
- log->PutCString(s.GetString().c_str());
- }
+ if (log) {
+ StreamString s;
+ s.Printf("ABISysV_ppc64::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);
- RegisterContext *reg_ctx = thread.GetRegisterContext().get();
- if (!reg_ctx)
- return false;
+ for (size_t i = 0; i < args.size(); ++i)
+ s.Printf(", arg%" PRIu64 " = 0x%" PRIx64, static_cast<uint64_t>(i + 1),
+ args[i]);
+ s.PutCString(")");
+ log->PutString(s.GetString());
+ }
+
+ RegisterContext *reg_ctx = thread.GetRegisterContext().get();
+ if (!reg_ctx)
+ return false;
- const RegisterInfo *reg_info = nullptr;
+ const RegisterInfo *reg_info = nullptr;
- if (args.size() > 8) // TODO handle more than 8 arguments
- return false;
+ if (args.size() > 8) // TODO handle more than 8 arguments
+ return false;
- for (size_t i = 0; i < args.size(); ++i)
- {
- reg_info = reg_ctx->GetRegisterInfo(eRegisterKindGeneric, LLDB_REGNUM_GENERIC_ARG1 + i);
- if (log)
- log->Printf("About to write arg%" PRIu64 " (0x%" PRIx64 ") into %s", static_cast<uint64_t>(i + 1), args[i], reg_info->name);
- if (!reg_ctx->WriteRegisterFromUnsigned(reg_info, args[i]))
- return false;
- }
+ for (size_t i = 0; i < args.size(); ++i) {
+ reg_info = reg_ctx->GetRegisterInfo(eRegisterKindGeneric,
+ LLDB_REGNUM_GENERIC_ARG1 + i);
+ if (log)
+ log->Printf("About to write arg%" PRIu64 " (0x%" PRIx64 ") into %s",
+ static_cast<uint64_t>(i + 1), args[i], reg_info->name);
+ if (!reg_ctx->WriteRegisterFromUnsigned(reg_info, args[i]))
+ return false;
+ }
- // First, align the SP
+ // First, align the SP
- if (log)
- log->Printf("16-byte aligning SP: 0x%" PRIx64 " to 0x%" PRIx64, (uint64_t)sp, (uint64_t)(sp & ~0xfull));
+ if (log)
+ log->Printf("16-byte aligning SP: 0x%" PRIx64 " to 0x%" PRIx64,
+ (uint64_t)sp, (uint64_t)(sp & ~0xfull));
- sp &= ~(0xfull); // 16-byte alignment
+ sp &= ~(0xfull); // 16-byte alignment
- sp -= 8;
+ sp -= 8;
- 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);
- ProcessSP process_sp (thread.GetProcess());
+ 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);
+ ProcessSP process_sp(thread.GetProcess());
- RegisterValue reg_value;
+ RegisterValue reg_value;
#if 0
// This code adds an extra frame so that we don't lose the function that we came from
@@ -292,780 +332,696 @@ ABISysV_ppc64::PrepareTrivialCall (Thread &thread,
}
#endif
- if (log)
- log->Printf("Pushing the return address onto the stack: 0x%" PRIx64 ": 0x%" PRIx64, (uint64_t)sp, (uint64_t)return_addr);
+ if (log)
+ log->Printf("Pushing the return address onto the stack: 0x%" PRIx64
+ ": 0x%" PRIx64,
+ (uint64_t)sp, (uint64_t)return_addr);
- // Save return address onto the stack
- if (!process_sp->WritePointerToMemory(sp, return_addr, error))
- return false;
+ // Save return address onto the stack
+ if (!process_sp->WritePointerToMemory(sp, return_addr, error))
+ return false;
- // %r1 is set to the actual stack value.
+ // %r1 is set to the actual stack value.
- if (log)
- log->Printf("Writing SP: 0x%" PRIx64, (uint64_t)sp);
+ if (log)
+ log->Printf("Writing SP: 0x%" PRIx64, (uint64_t)sp);
- if (!reg_ctx->WriteRegisterFromUnsigned (sp_reg_info, sp))
- return false;
+ if (!reg_ctx->WriteRegisterFromUnsigned(sp_reg_info, sp))
+ return false;
- // %pc is set to the address of the called function.
+ // %pc is set to the address of the called function.
- if (log)
- log->Printf("Writing IP: 0x%" PRIx64, (uint64_t)func_addr);
+ if (log)
+ log->Printf("Writing IP: 0x%" PRIx64, (uint64_t)func_addr);
- if (!reg_ctx->WriteRegisterFromUnsigned (pc_reg_info, func_addr))
- return false;
+ if (!reg_ctx->WriteRegisterFromUnsigned(pc_reg_info, func_addr))
+ return false;
- return true;
+ return true;
}
-static bool ReadIntegerArgument(Scalar &scalar,
- unsigned int bit_width,
- bool is_signed,
- Thread &thread,
- uint32_t *argument_register_ids,
- unsigned int &current_argument_register,
- addr_t &current_stack_argument)
-{
- if (bit_width > 64)
- return false; // Scalar can't hold large integer arguments
-
- if (current_argument_register < 6)
- {
- scalar = thread.GetRegisterContext()->ReadRegisterAsUnsigned(argument_register_ids[current_argument_register], 0);
- current_argument_register++;
- if (is_signed)
- scalar.SignExtend (bit_width);
- }
- else
- {
- uint32_t byte_size = (bit_width + (8-1))/8;
- Error error;
- if (thread.GetProcess()->ReadScalarIntegerFromMemory(current_stack_argument, byte_size, is_signed, scalar, error))
- {
- current_stack_argument += byte_size;
- return true;
- }
- return false;
+static bool ReadIntegerArgument(Scalar &scalar, unsigned int bit_width,
+ bool is_signed, Thread &thread,
+ uint32_t *argument_register_ids,
+ unsigned int &current_argument_register,
+ addr_t &current_stack_argument) {
+ if (bit_width > 64)
+ return false; // Scalar can't hold large integer arguments
+
+ if (current_argument_register < 6) {
+ scalar = thread.GetRegisterContext()->ReadRegisterAsUnsigned(
+ argument_register_ids[current_argument_register], 0);
+ current_argument_register++;
+ if (is_signed)
+ scalar.SignExtend(bit_width);
+ } else {
+ uint32_t byte_size = (bit_width + (8 - 1)) / 8;
+ Error error;
+ if (thread.GetProcess()->ReadScalarIntegerFromMemory(
+ current_stack_argument, byte_size, is_signed, scalar, error)) {
+ current_stack_argument += byte_size;
+ return true;
}
- return true;
+ return false;
+ }
+ return true;
}
-bool
-ABISysV_ppc64::GetArgumentValues (Thread &thread,
- ValueList &values) const
-{
- unsigned int num_values = values.GetSize();
- unsigned int value_index;
-
- // Extract the register context so we can read arguments from registers
+bool ABISysV_ppc64::GetArgumentValues(Thread &thread, ValueList &values) const {
+ unsigned int num_values = values.GetSize();
+ unsigned int value_index;
- RegisterContext *reg_ctx = thread.GetRegisterContext().get();
+ // Extract the register context so we can read arguments from registers
- if (!reg_ctx)
- return false;
-
- // Get the pointer to the first stack argument so we have a place to start
- // when reading data
-
- addr_t sp = reg_ctx->GetSP(0);
-
- if (!sp)
- return false;
+ RegisterContext *reg_ctx = thread.GetRegisterContext().get();
- addr_t current_stack_argument = sp + 48; // jump over return address
-
- uint32_t argument_register_ids[8];
+ if (!reg_ctx)
+ return false;
- argument_register_ids[0] = reg_ctx->GetRegisterInfo (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_ARG1)->kinds[eRegisterKindLLDB];
- argument_register_ids[1] = reg_ctx->GetRegisterInfo (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_ARG2)->kinds[eRegisterKindLLDB];
- argument_register_ids[2] = reg_ctx->GetRegisterInfo (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_ARG3)->kinds[eRegisterKindLLDB];
- argument_register_ids[3] = reg_ctx->GetRegisterInfo (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_ARG4)->kinds[eRegisterKindLLDB];
- argument_register_ids[4] = reg_ctx->GetRegisterInfo (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_ARG5)->kinds[eRegisterKindLLDB];
- argument_register_ids[5] = reg_ctx->GetRegisterInfo (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_ARG6)->kinds[eRegisterKindLLDB];
- argument_register_ids[6] = reg_ctx->GetRegisterInfo (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_ARG7)->kinds[eRegisterKindLLDB];
- argument_register_ids[7] = reg_ctx->GetRegisterInfo (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_ARG8)->kinds[eRegisterKindLLDB];
+ // Get the pointer to the first stack argument so we have a place to start
+ // when reading data
- unsigned int current_argument_register = 0;
+ addr_t sp = reg_ctx->GetSP(0);
- for (value_index = 0;
- value_index < num_values;
- ++value_index)
- {
- Value *value = values.GetValueAtIndex(value_index);
-
- if (!value)
- return false;
+ if (!sp)
+ return false;
- // We currently only support extracting values with Clang QualTypes.
- // Do we care about others?
- CompilerType compiler_type = value->GetCompilerType();
- if (!compiler_type)
- return false;
- bool is_signed;
+ addr_t current_stack_argument = sp + 48; // jump over return address
+
+ uint32_t argument_register_ids[8];
+
+ argument_register_ids[0] =
+ reg_ctx->GetRegisterInfo(eRegisterKindGeneric, LLDB_REGNUM_GENERIC_ARG1)
+ ->kinds[eRegisterKindLLDB];
+ argument_register_ids[1] =
+ reg_ctx->GetRegisterInfo(eRegisterKindGeneric, LLDB_REGNUM_GENERIC_ARG2)
+ ->kinds[eRegisterKindLLDB];
+ argument_register_ids[2] =
+ reg_ctx->GetRegisterInfo(eRegisterKindGeneric, LLDB_REGNUM_GENERIC_ARG3)
+ ->kinds[eRegisterKindLLDB];
+ argument_register_ids[3] =
+ reg_ctx->GetRegisterInfo(eRegisterKindGeneric, LLDB_REGNUM_GENERIC_ARG4)
+ ->kinds[eRegisterKindLLDB];
+ argument_register_ids[4] =
+ reg_ctx->GetRegisterInfo(eRegisterKindGeneric, LLDB_REGNUM_GENERIC_ARG5)
+ ->kinds[eRegisterKindLLDB];
+ argument_register_ids[5] =
+ reg_ctx->GetRegisterInfo(eRegisterKindGeneric, LLDB_REGNUM_GENERIC_ARG6)
+ ->kinds[eRegisterKindLLDB];
+ argument_register_ids[6] =
+ reg_ctx->GetRegisterInfo(eRegisterKindGeneric, LLDB_REGNUM_GENERIC_ARG7)
+ ->kinds[eRegisterKindLLDB];
+ argument_register_ids[7] =
+ reg_ctx->GetRegisterInfo(eRegisterKindGeneric, LLDB_REGNUM_GENERIC_ARG8)
+ ->kinds[eRegisterKindLLDB];
+
+ unsigned int current_argument_register = 0;
+
+ for (value_index = 0; value_index < num_values; ++value_index) {
+ Value *value = values.GetValueAtIndex(value_index);
+
+ if (!value)
+ return false;
+
+ // We currently only support extracting values with Clang QualTypes.
+ // Do we care about others?
+ CompilerType compiler_type = value->GetCompilerType();
+ if (!compiler_type)
+ return false;
+ bool is_signed;
- if (compiler_type.IsIntegerOrEnumerationType (is_signed))
- {
- ReadIntegerArgument(value->GetScalar(),
- compiler_type.GetBitSize(&thread),
- is_signed,
- thread,
- argument_register_ids,
- current_argument_register,
- current_stack_argument);
- }
- else if (compiler_type.IsPointerType ())
- {
- ReadIntegerArgument(value->GetScalar(),
- compiler_type.GetBitSize(&thread),
- false,
- thread,
- argument_register_ids,
- current_argument_register,
- current_stack_argument);
- }
+ if (compiler_type.IsIntegerOrEnumerationType(is_signed)) {
+ ReadIntegerArgument(value->GetScalar(), compiler_type.GetBitSize(&thread),
+ is_signed, thread, argument_register_ids,
+ current_argument_register, current_stack_argument);
+ } else if (compiler_type.IsPointerType()) {
+ ReadIntegerArgument(value->GetScalar(), compiler_type.GetBitSize(&thread),
+ false, thread, argument_register_ids,
+ current_argument_register, current_stack_argument);
}
+ }
- return true;
+ return true;
}
-Error
-ABISysV_ppc64::SetReturnValueObject(lldb::StackFrameSP &frame_sp, lldb::ValueObjectSP &new_value_sp)
-{
- Error error;
- if (!new_value_sp)
- {
- error.SetErrorString("Empty value object for return value.");
- return error;
- }
+Error ABISysV_ppc64::SetReturnValueObject(lldb::StackFrameSP &frame_sp,
+ lldb::ValueObjectSP &new_value_sp) {
+ Error error;
+ if (!new_value_sp) {
+ error.SetErrorString("Empty value object for return value.");
+ return error;
+ }
- CompilerType compiler_type = new_value_sp->GetCompilerType();
- if (!compiler_type)
- {
- error.SetErrorString ("Null clang type for return value.");
- return error;
- }
+ CompilerType compiler_type = new_value_sp->GetCompilerType();
+ if (!compiler_type) {
+ error.SetErrorString("Null clang type for return value.");
+ return error;
+ }
- Thread *thread = frame_sp->GetThread().get();
+ Thread *thread = frame_sp->GetThread().get();
- bool is_signed;
- uint32_t count;
- bool is_complex;
+ bool is_signed;
+ uint32_t count;
+ bool is_complex;
- RegisterContext *reg_ctx = thread->GetRegisterContext().get();
+ RegisterContext *reg_ctx = thread->GetRegisterContext().get();
- bool set_it_simple = false;
- if (compiler_type.IsIntegerOrEnumerationType (is_signed) || compiler_type.IsPointerType())
- {
- const RegisterInfo *reg_info = reg_ctx->GetRegisterInfoByName("r3", 0);
+ bool set_it_simple = false;
+ if (compiler_type.IsIntegerOrEnumerationType(is_signed) ||
+ compiler_type.IsPointerType()) {
+ const RegisterInfo *reg_info = reg_ctx->GetRegisterInfoByName("r3", 0);
+ 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;
+ }
+ lldb::offset_t offset = 0;
+ if (num_bytes <= 8) {
+ uint64_t raw_value = data.GetMaxU64(&offset, num_bytes);
+
+ if (reg_ctx->WriteRegisterFromUnsigned(reg_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 {
+ size_t bit_width = compiler_type.GetBitSize(frame_sp.get());
+ if (bit_width <= 64) {
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 (data_error.Fail()) {
+ error.SetErrorStringWithFormat(
+ "Couldn't convert return value to raw data: %s",
+ data_error.AsCString());
+ return error;
}
- lldb::offset_t offset = 0;
- if (num_bytes <= 8)
- {
- uint64_t raw_value = data.GetMaxU64(&offset, num_bytes);
- if (reg_ctx->WriteRegisterFromUnsigned (reg_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
- {
- size_t bit_width = compiler_type.GetBitSize(frame_sp.get());
- if (bit_width <= 64)
- {
- 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;
- }
-
- unsigned char buffer[16];
- ByteOrder byte_order = data.GetByteOrder();
+ unsigned char buffer[16];
+ ByteOrder byte_order = data.GetByteOrder();
- data.CopyByteOrderedData (0, num_bytes, buffer, 16, byte_order);
- set_it_simple = true;
- }
- else
- {
- // FIXME - don't know how to do 80 bit long doubles yet.
- error.SetErrorString ("We don't support returning float values > 64 bits at present");
- }
- }
+ data.CopyByteOrderedData(0, num_bytes, buffer, 16, byte_order);
+ set_it_simple = true;
+ } else {
+ // FIXME - don't know how to do 80 bit long doubles yet.
+ error.SetErrorString(
+ "We don't support returning float values > 64 bits at present");
+ }
}
+ }
- if (!set_it_simple)
- {
- // Okay we've got a structure or something that doesn't fit in a simple register.
- // We should figure out where it really goes, but we don't support this yet.
- error.SetErrorString ("We only support setting simple integer and float return types at present.");
- }
+ if (!set_it_simple) {
+ // Okay we've got a structure or something that doesn't fit in a simple
+ // register.
+ // We should figure out where it really goes, but we don't support this yet.
+ error.SetErrorString("We only support setting simple integer and float "
+ "return types at present.");
+ }
- return error;
+ return error;
}
-ValueObjectSP
-ABISysV_ppc64::GetReturnValueObjectSimple (Thread &thread,
- CompilerType &return_compiler_type) const
-{
- ValueObjectSP return_valobj_sp;
- Value value;
+ValueObjectSP ABISysV_ppc64::GetReturnValueObjectSimple(
+ 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;
- //value.SetContext (Value::eContextTypeClangType, return_value_type);
- value.SetCompilerType (return_compiler_type);
+ // value.SetContext (Value::eContextTypeClangType, return_value_type);
+ value.SetCompilerType(return_compiler_type);
- RegisterContext *reg_ctx = thread.GetRegisterContext().get();
- if (!reg_ctx)
- return return_valobj_sp;
+ RegisterContext *reg_ctx = thread.GetRegisterContext().get();
+ if (!reg_ctx)
+ return return_valobj_sp;
- const uint32_t type_flags = return_compiler_type.GetTypeInfo ();
- if (type_flags & eTypeIsScalar)
- {
- value.SetValueType(Value::eValueTypeScalar);
+ const uint32_t type_flags = return_compiler_type.GetTypeInfo();
+ if (type_flags & eTypeIsScalar) {
+ value.SetValueType(Value::eValueTypeScalar);
- bool success = false;
- if (type_flags & eTypeIsInteger)
- {
- // Extract the register context so we can read arguments from registers
-
- const size_t byte_size = return_compiler_type.GetByteSize(nullptr);
- uint64_t raw_value = thread.GetRegisterContext()->ReadRegisterAsUnsigned(reg_ctx->GetRegisterInfoByName("r3", 0), 0);
- const bool is_signed = (type_flags & eTypeIsSigned) != 0;
- switch (byte_size)
- {
- default:
- break;
-
- case sizeof(uint64_t):
- if (is_signed)
- value.GetScalar() = (int64_t)(raw_value);
- else
- value.GetScalar() = (uint64_t)(raw_value);
- success = true;
- break;
+ bool success = false;
+ if (type_flags & eTypeIsInteger) {
+ // Extract the register context so we can read arguments from registers
- case sizeof(uint32_t):
- if (is_signed)
- value.GetScalar() = (int32_t)(raw_value & UINT32_MAX);
- else
- value.GetScalar() = (uint32_t)(raw_value & UINT32_MAX);
- success = true;
- break;
+ const size_t byte_size = return_compiler_type.GetByteSize(nullptr);
+ uint64_t raw_value = thread.GetRegisterContext()->ReadRegisterAsUnsigned(
+ reg_ctx->GetRegisterInfoByName("r3", 0), 0);
+ const bool is_signed = (type_flags & eTypeIsSigned) != 0;
+ switch (byte_size) {
+ default:
+ break;
- case sizeof(uint16_t):
- if (is_signed)
- value.GetScalar() = (int16_t)(raw_value & UINT16_MAX);
- else
- value.GetScalar() = (uint16_t)(raw_value & UINT16_MAX);
- success = true;
- break;
+ case sizeof(uint64_t):
+ if (is_signed)
+ value.GetScalar() = (int64_t)(raw_value);
+ else
+ value.GetScalar() = (uint64_t)(raw_value);
+ success = true;
+ break;
- case sizeof(uint8_t):
- if (is_signed)
- value.GetScalar() = (int8_t)(raw_value & UINT8_MAX);
- else
- value.GetScalar() = (uint8_t)(raw_value & UINT8_MAX);
+ case sizeof(uint32_t):
+ if (is_signed)
+ value.GetScalar() = (int32_t)(raw_value & UINT32_MAX);
+ else
+ value.GetScalar() = (uint32_t)(raw_value & UINT32_MAX);
+ success = true;
+ break;
+
+ case sizeof(uint16_t):
+ if (is_signed)
+ value.GetScalar() = (int16_t)(raw_value & UINT16_MAX);
+ else
+ value.GetScalar() = (uint16_t)(raw_value & UINT16_MAX);
+ success = true;
+ break;
+
+ case sizeof(uint8_t):
+ if (is_signed)
+ value.GetScalar() = (int8_t)(raw_value & UINT8_MAX);
+ else
+ value.GetScalar() = (uint8_t)(raw_value & UINT8_MAX);
+ success = true;
+ break;
+ }
+ } else if (type_flags & eTypeIsFloat) {
+ if (type_flags & eTypeIsComplex) {
+ // Don't handle complex yet.
+ } else {
+ const size_t byte_size = return_compiler_type.GetByteSize(nullptr);
+ if (byte_size <= sizeof(long double)) {
+ const RegisterInfo *f1_info = reg_ctx->GetRegisterInfoByName("f1", 0);
+ RegisterValue f1_value;
+ if (reg_ctx->ReadRegister(f1_info, f1_value)) {
+ DataExtractor data;
+ if (f1_value.GetData(data)) {
+ lldb::offset_t offset = 0;
+ if (byte_size == sizeof(float)) {
+ value.GetScalar() = (float)data.GetFloat(&offset);
success = true;
- break;
- }
- }
- else if (type_flags & eTypeIsFloat)
- {
- if (type_flags & eTypeIsComplex)
- {
- // Don't handle complex yet.
- }
- else
- {
- const size_t byte_size = return_compiler_type.GetByteSize(nullptr);
- if (byte_size <= sizeof(long double))
- {
- const RegisterInfo *f1_info = reg_ctx->GetRegisterInfoByName("f1", 0);
- RegisterValue f1_value;
- if (reg_ctx->ReadRegister (f1_info, f1_value))
- {
- DataExtractor data;
- if (f1_value.GetData(data))
- {
- lldb::offset_t offset = 0;
- if (byte_size == sizeof(float))
- {
- value.GetScalar() = (float) data.GetFloat(&offset);
- success = true;
- }
- else if (byte_size == sizeof(double))
- {
- value.GetScalar() = (double) data.GetDouble(&offset);
- success = true;
- }
- }
- }
- }
+ } else if (byte_size == sizeof(double)) {
+ value.GetScalar() = (double)data.GetDouble(&offset);
+ success = true;
+ }
}
+ }
}
-
- if (success)
- return_valobj_sp = ValueObjectConstResult::Create (thread.GetStackFrameAtIndex(0).get(),
- value,
- ConstString(""));
- }
- else if (type_flags & eTypeIsPointer)
- {
- unsigned r3_id = reg_ctx->GetRegisterInfoByName("r3", 0)->kinds[eRegisterKindLLDB];
- value.GetScalar() = (uint64_t)thread.GetRegisterContext()->ReadRegisterAsUnsigned(r3_id, 0);
- value.SetValueType(Value::eValueTypeScalar);
- return_valobj_sp = ValueObjectConstResult::Create (thread.GetStackFrameAtIndex(0).get(),
- value,
- ConstString(""));
+ }
}
- else if (type_flags & eTypeIsVector)
- {
- const size_t byte_size = return_compiler_type.GetByteSize(nullptr);
- if (byte_size > 0)
- {
- const RegisterInfo *altivec_reg = reg_ctx->GetRegisterInfoByName("v2", 0);
- if (altivec_reg)
- {
- if (byte_size <= altivec_reg->byte_size)
- {
- ProcessSP process_sp (thread.GetProcess());
- if (process_sp)
- {
- std::unique_ptr<DataBufferHeap> heap_data_ap (new DataBufferHeap(byte_size, 0));
- const ByteOrder byte_order = process_sp->GetByteOrder();
- RegisterValue reg_value;
- if (reg_ctx->ReadRegister(altivec_reg, reg_value))
- {
- Error error;
- if (reg_value.GetAsMemoryData (altivec_reg,
- heap_data_ap->GetBytes(),
- heap_data_ap->GetByteSize(),
- byte_order,
- error))
- {
- DataExtractor data (DataBufferSP (heap_data_ap.release()),
- byte_order,
- process_sp->GetTarget().GetArchitecture().GetAddressByteSize());
- return_valobj_sp = ValueObjectConstResult::Create (&thread,
- return_compiler_type,
- ConstString(""),
- data);
- }
- }
- }
- }
+
+ if (success)
+ return_valobj_sp = ValueObjectConstResult::Create(
+ thread.GetStackFrameAtIndex(0).get(), value, ConstString(""));
+ } else if (type_flags & eTypeIsPointer) {
+ unsigned r3_id =
+ reg_ctx->GetRegisterInfoByName("r3", 0)->kinds[eRegisterKindLLDB];
+ value.GetScalar() =
+ (uint64_t)thread.GetRegisterContext()->ReadRegisterAsUnsigned(r3_id, 0);
+ value.SetValueType(Value::eValueTypeScalar);
+ return_valobj_sp = ValueObjectConstResult::Create(
+ thread.GetStackFrameAtIndex(0).get(), value, ConstString(""));
+ } else if (type_flags & eTypeIsVector) {
+ const size_t byte_size = return_compiler_type.GetByteSize(nullptr);
+ if (byte_size > 0) {
+ const RegisterInfo *altivec_reg = reg_ctx->GetRegisterInfoByName("v2", 0);
+ if (altivec_reg) {
+ if (byte_size <= altivec_reg->byte_size) {
+ ProcessSP process_sp(thread.GetProcess());
+ if (process_sp) {
+ std::unique_ptr<DataBufferHeap> heap_data_ap(
+ new DataBufferHeap(byte_size, 0));
+ const ByteOrder byte_order = process_sp->GetByteOrder();
+ RegisterValue reg_value;
+ if (reg_ctx->ReadRegister(altivec_reg, reg_value)) {
+ Error error;
+ if (reg_value.GetAsMemoryData(
+ altivec_reg, heap_data_ap->GetBytes(),
+ heap_data_ap->GetByteSize(), byte_order, error)) {
+ DataExtractor data(DataBufferSP(heap_data_ap.release()),
+ byte_order, process_sp->GetTarget()
+ .GetArchitecture()
+ .GetAddressByteSize());
+ return_valobj_sp = ValueObjectConstResult::Create(
+ &thread, return_compiler_type, ConstString(""), data);
+ }
}
+ }
}
+ }
}
+ }
- return return_valobj_sp;
+ return return_valobj_sp;
}
-ValueObjectSP
-ABISysV_ppc64::GetReturnValueObjectImpl (Thread &thread, CompilerType &return_compiler_type) const
-{
- ValueObjectSP return_valobj_sp;
+ValueObjectSP ABISysV_ppc64::GetReturnValueObjectImpl(
+ Thread &thread, CompilerType &return_compiler_type) const {
+ ValueObjectSP return_valobj_sp;
- if (!return_compiler_type)
- return return_valobj_sp;
+ if (!return_compiler_type)
+ return return_valobj_sp;
- ExecutionContext exe_ctx (thread.shared_from_this());
- return_valobj_sp = GetReturnValueObjectSimple(thread, return_compiler_type);
- if (return_valobj_sp)
- return return_valobj_sp;
+ ExecutionContext exe_ctx(thread.shared_from_this());
+ return_valobj_sp = GetReturnValueObjectSimple(thread, return_compiler_type);
+ if (return_valobj_sp)
+ return return_valobj_sp;
- RegisterContextSP reg_ctx_sp = thread.GetRegisterContext();
- if (!reg_ctx_sp)
- return return_valobj_sp;
+ RegisterContextSP reg_ctx_sp = thread.GetRegisterContext();
+ if (!reg_ctx_sp)
+ return return_valobj_sp;
- const size_t bit_width = return_compiler_type.GetBitSize(&thread);
- if (return_compiler_type.IsAggregateType())
- {
- Target *target = exe_ctx.GetTargetPtr();
- bool is_memory = true;
- if (bit_width <= 128)
- {
- ByteOrder target_byte_order = target->GetArchitecture().GetByteOrder();
- DataBufferSP data_sp (new DataBufferHeap(16, 0));
- DataExtractor return_ext (data_sp,
- target_byte_order,
- target->GetArchitecture().GetAddressByteSize());
+ const size_t bit_width = return_compiler_type.GetBitSize(&thread);
+ if (return_compiler_type.IsAggregateType()) {
+ Target *target = exe_ctx.GetTargetPtr();
+ bool is_memory = true;
+ if (bit_width <= 128) {
+ ByteOrder target_byte_order = target->GetArchitecture().GetByteOrder();
+ DataBufferSP data_sp(new DataBufferHeap(16, 0));
+ DataExtractor return_ext(data_sp, target_byte_order,
+ target->GetArchitecture().GetAddressByteSize());
- const RegisterInfo *r3_info = reg_ctx_sp->GetRegisterInfoByName("r3", 0);
- const RegisterInfo *rdx_info = reg_ctx_sp->GetRegisterInfoByName("rdx", 0);
+ const RegisterInfo *r3_info = reg_ctx_sp->GetRegisterInfoByName("r3", 0);
+ const RegisterInfo *rdx_info =
+ reg_ctx_sp->GetRegisterInfoByName("rdx", 0);
- RegisterValue r3_value, rdx_value;
- reg_ctx_sp->ReadRegister (r3_info, r3_value);
- reg_ctx_sp->ReadRegister (rdx_info, rdx_value);
+ RegisterValue r3_value, rdx_value;
+ reg_ctx_sp->ReadRegister(r3_info, r3_value);
+ reg_ctx_sp->ReadRegister(rdx_info, rdx_value);
- DataExtractor r3_data, rdx_data;
+ DataExtractor r3_data, rdx_data;
- r3_value.GetData(r3_data);
- rdx_value.GetData(rdx_data);
+ r3_value.GetData(r3_data);
+ rdx_value.GetData(rdx_data);
- uint32_t fp_bytes = 0; // Tracks how much of the xmm registers we've consumed so far
- uint32_t integer_bytes = 0; // Tracks how much of the r3/rds registers we've consumed so far
+ uint32_t fp_bytes =
+ 0; // Tracks how much of the xmm registers we've consumed so far
+ uint32_t integer_bytes =
+ 0; // Tracks how much of the r3/rds registers we've consumed so far
- const uint32_t num_children = return_compiler_type.GetNumFields ();
+ const uint32_t num_children = return_compiler_type.GetNumFields();
- // Since we are in the small struct regime, assume we are not in memory.
- is_memory = false;
+ // Since we are in the small struct regime, assume we are not in memory.
+ is_memory = false;
- for (uint32_t idx = 0; idx < num_children; idx++)
- {
- std::string name;
- uint64_t field_bit_offset = 0;
- bool is_signed;
- bool is_complex;
- uint32_t count;
+ for (uint32_t idx = 0; idx < num_children; idx++) {
+ std::string name;
+ uint64_t field_bit_offset = 0;
+ bool is_signed;
+ bool is_complex;
+ uint32_t count;
- CompilerType field_compiler_type = return_compiler_type.GetFieldAtIndex(idx, name, &field_bit_offset, nullptr, nullptr);
- const size_t field_bit_width = field_compiler_type.GetBitSize(&thread);
+ CompilerType field_compiler_type = return_compiler_type.GetFieldAtIndex(
+ idx, name, &field_bit_offset, nullptr, nullptr);
+ const size_t field_bit_width = field_compiler_type.GetBitSize(&thread);
- // If there are any unaligned fields, this is stored in memory.
- if (field_bit_offset % field_bit_width != 0)
- {
- is_memory = true;
- break;
- }
+ // If there are any unaligned fields, this is stored in memory.
+ if (field_bit_offset % field_bit_width != 0) {
+ is_memory = true;
+ break;
+ }
- uint32_t field_byte_width = field_bit_width/8;
- uint32_t field_byte_offset = field_bit_offset/8;
-
- DataExtractor *copy_from_extractor = nullptr;
- uint32_t copy_from_offset = 0;
-
- if (field_compiler_type.IsIntegerOrEnumerationType (is_signed) || field_compiler_type.IsPointerType ())
- {
- if (integer_bytes < 8)
- {
- if (integer_bytes + field_byte_width <= 8)
- {
- // This is in RAX, copy from register to our result structure:
- copy_from_extractor = &r3_data;
- copy_from_offset = integer_bytes;
- integer_bytes += field_byte_width;
- }
- else
- {
- // The next field wouldn't fit in the remaining space, so we pushed it to rdx.
- copy_from_extractor = &rdx_data;
- copy_from_offset = 0;
- integer_bytes = 8 + field_byte_width;
-
- }
- }
- else if (integer_bytes + field_byte_width <= 16)
- {
- copy_from_extractor = &rdx_data;
- copy_from_offset = integer_bytes - 8;
- integer_bytes += field_byte_width;
- }
- else
- {
- // The last field didn't fit. I can't see how that would happen w/o the overall size being
- // greater than 16 bytes. For now, return a nullptr return value object.
- return return_valobj_sp;
- }
+ uint32_t field_byte_width = field_bit_width / 8;
+ uint32_t field_byte_offset = field_bit_offset / 8;
+
+ DataExtractor *copy_from_extractor = nullptr;
+ uint32_t copy_from_offset = 0;
+
+ if (field_compiler_type.IsIntegerOrEnumerationType(is_signed) ||
+ field_compiler_type.IsPointerType()) {
+ if (integer_bytes < 8) {
+ if (integer_bytes + field_byte_width <= 8) {
+ // This is in RAX, copy from register to our result structure:
+ copy_from_extractor = &r3_data;
+ copy_from_offset = integer_bytes;
+ integer_bytes += field_byte_width;
+ } else {
+ // The next field wouldn't fit in the remaining space, so we
+ // pushed it to rdx.
+ copy_from_extractor = &rdx_data;
+ copy_from_offset = 0;
+ integer_bytes = 8 + field_byte_width;
+ }
+ } else if (integer_bytes + field_byte_width <= 16) {
+ copy_from_extractor = &rdx_data;
+ copy_from_offset = integer_bytes - 8;
+ integer_bytes += field_byte_width;
+ } else {
+ // The last field didn't fit. I can't see how that would happen w/o
+ // the overall size being
+ // greater than 16 bytes. For now, return a nullptr return value
+ // object.
+ return return_valobj_sp;
+ }
+ } else if (field_compiler_type.IsFloatingPointType(count, is_complex)) {
+ // Structs with long doubles are always passed in memory.
+ if (field_bit_width == 128) {
+ is_memory = true;
+ break;
+ } else if (field_bit_width == 64) {
+ copy_from_offset = 0;
+ fp_bytes += field_byte_width;
+ } else if (field_bit_width == 32) {
+ // This one is kind of complicated. If we are in an "eightbyte"
+ // with another float, we'll
+ // be stuffed into an xmm register with it. If we are in an
+ // "eightbyte" with one or more ints,
+ // then we will be stuffed into the appropriate GPR with them.
+ bool in_gpr;
+ if (field_byte_offset % 8 == 0) {
+ // We are at the beginning of one of the eightbytes, so check the
+ // next element (if any)
+ if (idx == num_children - 1)
+ in_gpr = false;
+ else {
+ uint64_t next_field_bit_offset = 0;
+ CompilerType next_field_compiler_type =
+ return_compiler_type.GetFieldAtIndex(idx + 1, name,
+ &next_field_bit_offset,
+ nullptr, nullptr);
+ if (next_field_compiler_type.IsIntegerOrEnumerationType(
+ is_signed))
+ in_gpr = true;
+ else {
+ copy_from_offset = 0;
+ in_gpr = false;
}
- else if (field_compiler_type.IsFloatingPointType (count, is_complex))
- {
- // Structs with long doubles are always passed in memory.
- if (field_bit_width == 128)
- {
- is_memory = true;
- break;
- }
- else if (field_bit_width == 64)
- {
- copy_from_offset = 0;
- fp_bytes += field_byte_width;
- }
- else if (field_bit_width == 32)
- {
- // This one is kind of complicated. If we are in an "eightbyte" with another float, we'll
- // be stuffed into an xmm register with it. If we are in an "eightbyte" with one or more ints,
- // then we will be stuffed into the appropriate GPR with them.
- bool in_gpr;
- if (field_byte_offset % 8 == 0)
- {
- // We are at the beginning of one of the eightbytes, so check the next element (if any)
- if (idx == num_children - 1)
- in_gpr = false;
- else
- {
- uint64_t next_field_bit_offset = 0;
- CompilerType next_field_compiler_type = return_compiler_type.GetFieldAtIndex (idx + 1,
- name,
- &next_field_bit_offset,
- nullptr,
- nullptr);
- if (next_field_compiler_type.IsIntegerOrEnumerationType (is_signed))
- in_gpr = true;
- else
- {
- copy_from_offset = 0;
- in_gpr = false;
- }
- }
- }
- else if (field_byte_offset % 4 == 0)
- {
- // We are inside of an eightbyte, so see if the field before us is floating point:
- // This could happen if somebody put padding in the structure.
- if (idx == 0)
- in_gpr = false;
- else
- {
- uint64_t prev_field_bit_offset = 0;
- CompilerType prev_field_compiler_type = return_compiler_type.GetFieldAtIndex (idx - 1,
- name,
- &prev_field_bit_offset,
- nullptr,
- nullptr);
- if (prev_field_compiler_type.IsIntegerOrEnumerationType (is_signed))
- in_gpr = true;
- else
- {
- copy_from_offset = 4;
- in_gpr = false;
- }
- }
- }
- else
- {
- is_memory = true;
- continue;
- }
-
- // Okay, we've figured out whether we are in GPR or XMM, now figure out which one.
- if (in_gpr)
- {
- if (integer_bytes < 8)
- {
- // This is in RAX, copy from register to our result structure:
- copy_from_extractor = &r3_data;
- copy_from_offset = integer_bytes;
- integer_bytes += field_byte_width;
- }
- else
- {
- copy_from_extractor = &rdx_data;
- copy_from_offset = integer_bytes - 8;
- integer_bytes += field_byte_width;
- }
- }
- else
- {
- fp_bytes += field_byte_width;
- }
- }
+ }
+ } else if (field_byte_offset % 4 == 0) {
+ // We are inside of an eightbyte, so see if the field before us is
+ // floating point:
+ // This could happen if somebody put padding in the structure.
+ if (idx == 0)
+ in_gpr = false;
+ else {
+ uint64_t prev_field_bit_offset = 0;
+ CompilerType prev_field_compiler_type =
+ return_compiler_type.GetFieldAtIndex(idx - 1, name,
+ &prev_field_bit_offset,
+ nullptr, nullptr);
+ if (prev_field_compiler_type.IsIntegerOrEnumerationType(
+ is_signed))
+ in_gpr = true;
+ else {
+ copy_from_offset = 4;
+ in_gpr = false;
}
-
- // These two tests are just sanity checks. If I somehow get the
- // type calculation wrong above it is better to just return nothing
- // than to assert or crash.
- if (!copy_from_extractor)
- return return_valobj_sp;
- if (copy_from_offset + field_byte_width > copy_from_extractor->GetByteSize())
- return return_valobj_sp;
-
- copy_from_extractor->CopyByteOrderedData (copy_from_offset,
- field_byte_width,
- data_sp->GetBytes() + field_byte_offset,
- field_byte_width,
- target_byte_order);
+ }
+ } else {
+ is_memory = true;
+ continue;
}
- if (!is_memory)
- {
- // The result is in our data buffer. Let's make a variable object out of it:
- return_valobj_sp = ValueObjectConstResult::Create (&thread,
- return_compiler_type,
- ConstString(""),
- return_ext);
+ // Okay, we've figured out whether we are in GPR or XMM, now figure
+ // out which one.
+ if (in_gpr) {
+ if (integer_bytes < 8) {
+ // This is in RAX, copy from register to our result structure:
+ copy_from_extractor = &r3_data;
+ copy_from_offset = integer_bytes;
+ integer_bytes += field_byte_width;
+ } else {
+ copy_from_extractor = &rdx_data;
+ copy_from_offset = integer_bytes - 8;
+ integer_bytes += field_byte_width;
+ }
+ } else {
+ fp_bytes += field_byte_width;
}
+ }
}
- // FIXME: This is just taking a guess, r3 may very well no longer hold the return storage location.
- // If we are going to do this right, when we make a new frame we should check to see if it uses a memory
- // return, and if we are at the first instruction and if so stash away the return location. Then we would
- // only return the memory return value if we know it is valid.
+ // These two tests are just sanity checks. If I somehow get the
+ // type calculation wrong above it is better to just return nothing
+ // than to assert or crash.
+ if (!copy_from_extractor)
+ return return_valobj_sp;
+ if (copy_from_offset + field_byte_width >
+ copy_from_extractor->GetByteSize())
+ return return_valobj_sp;
+
+ copy_from_extractor->CopyByteOrderedData(
+ copy_from_offset, field_byte_width,
+ data_sp->GetBytes() + field_byte_offset, field_byte_width,
+ target_byte_order);
+ }
+
+ if (!is_memory) {
+ // The result is in our data buffer. Let's make a variable object out
+ // of it:
+ return_valobj_sp = ValueObjectConstResult::Create(
+ &thread, return_compiler_type, ConstString(""), return_ext);
+ }
+ }
- if (is_memory)
- {
- unsigned r3_id = reg_ctx_sp->GetRegisterInfoByName("r3", 0)->kinds[eRegisterKindLLDB];
- lldb::addr_t storage_addr = (uint64_t)thread.GetRegisterContext()->ReadRegisterAsUnsigned(r3_id, 0);
- return_valobj_sp = ValueObjectMemory::Create(&thread,
- "",
- Address(storage_addr, nullptr),
- return_compiler_type);
- }
+ // FIXME: This is just taking a guess, r3 may very well no longer hold the
+ // return storage location.
+ // If we are going to do this right, when we make a new frame we should
+ // check to see if it uses a memory
+ // return, and if we are at the first instruction and if so stash away the
+ // return location. Then we would
+ // only return the memory return value if we know it is valid.
+
+ if (is_memory) {
+ unsigned r3_id =
+ reg_ctx_sp->GetRegisterInfoByName("r3", 0)->kinds[eRegisterKindLLDB];
+ lldb::addr_t storage_addr =
+ (uint64_t)thread.GetRegisterContext()->ReadRegisterAsUnsigned(r3_id,
+ 0);
+ return_valobj_sp = ValueObjectMemory::Create(
+ &thread, "", Address(storage_addr, nullptr), return_compiler_type);
}
+ }
- return return_valobj_sp;
+ return return_valobj_sp;
}
-bool
-ABISysV_ppc64::CreateFunctionEntryUnwindPlan (UnwindPlan &unwind_plan)
-{
- unwind_plan.Clear();
- unwind_plan.SetRegisterKind (eRegisterKindDWARF);
+bool ABISysV_ppc64::CreateFunctionEntryUnwindPlan(UnwindPlan &unwind_plan) {
+ unwind_plan.Clear();
+ unwind_plan.SetRegisterKind(eRegisterKindDWARF);
- uint32_t lr_reg_num = dwarf_lr;
- uint32_t sp_reg_num = dwarf_r1;
- uint32_t pc_reg_num = dwarf_pc;
+ uint32_t lr_reg_num = dwarf_lr;
+ uint32_t sp_reg_num = dwarf_r1;
+ uint32_t pc_reg_num = dwarf_pc;
- UnwindPlan::RowSP row(new UnwindPlan::Row);
+ UnwindPlan::RowSP row(new UnwindPlan::Row);
- // Our Call Frame Address is the stack pointer value
- row->GetCFAValue().SetIsRegisterPlusOffset(sp_reg_num, 0);
+ // Our Call Frame Address is the stack pointer value
+ row->GetCFAValue().SetIsRegisterPlusOffset(sp_reg_num, 0);
- // The previous PC is in the LR
- row->SetRegisterLocationToRegister(pc_reg_num, lr_reg_num, true);
- unwind_plan.AppendRow (row);
+ // The previous PC is in the LR
+ row->SetRegisterLocationToRegister(pc_reg_num, lr_reg_num, true);
+ unwind_plan.AppendRow(row);
- // All other registers are the same.
+ // All other registers are the same.
- unwind_plan.SetSourceName ("ppc64 at-func-entry default");
- unwind_plan.SetSourcedFromCompiler (eLazyBoolNo);
+ unwind_plan.SetSourceName("ppc64 at-func-entry default");
+ unwind_plan.SetSourcedFromCompiler(eLazyBoolNo);
- return true;
+ return true;
}
-bool
-ABISysV_ppc64::CreateDefaultUnwindPlan (UnwindPlan &unwind_plan)
-{
- unwind_plan.Clear();
- unwind_plan.SetRegisterKind (eRegisterKindDWARF);
+bool ABISysV_ppc64::CreateDefaultUnwindPlan(UnwindPlan &unwind_plan) {
+ unwind_plan.Clear();
+ unwind_plan.SetRegisterKind(eRegisterKindDWARF);
- uint32_t sp_reg_num = dwarf_r1;
- uint32_t pc_reg_num = dwarf_lr;
+ uint32_t sp_reg_num = dwarf_r1;
+ uint32_t pc_reg_num = dwarf_lr;
- UnwindPlan::RowSP row(new UnwindPlan::Row);
+ UnwindPlan::RowSP row(new UnwindPlan::Row);
- const int32_t ptr_size = 8;
- row->GetCFAValue().SetIsRegisterDereferenced(sp_reg_num);
+ const int32_t ptr_size = 8;
+ row->GetCFAValue().SetIsRegisterDereferenced(sp_reg_num);
- row->SetRegisterLocationToAtCFAPlusOffset(pc_reg_num, ptr_size * 2, true);
- row->SetRegisterLocationToIsCFAPlusOffset(sp_reg_num, 0, true);
- row->SetRegisterLocationToAtCFAPlusOffset(dwarf_cr, ptr_size, true);
+ row->SetRegisterLocationToAtCFAPlusOffset(pc_reg_num, ptr_size * 2, true);
+ row->SetRegisterLocationToIsCFAPlusOffset(sp_reg_num, 0, true);
+ row->SetRegisterLocationToAtCFAPlusOffset(dwarf_cr, ptr_size, true);
- unwind_plan.AppendRow (row);
- unwind_plan.SetSourceName ("ppc64 default unwind plan");
- unwind_plan.SetSourcedFromCompiler (eLazyBoolNo);
- unwind_plan.SetUnwindPlanValidAtAllInstructions (eLazyBoolNo);
- unwind_plan.SetReturnAddressRegister(dwarf_lr);
- return true;
+ unwind_plan.AppendRow(row);
+ unwind_plan.SetSourceName("ppc64 default unwind plan");
+ unwind_plan.SetSourcedFromCompiler(eLazyBoolNo);
+ unwind_plan.SetUnwindPlanValidAtAllInstructions(eLazyBoolNo);
+ unwind_plan.SetReturnAddressRegister(dwarf_lr);
+ return true;
}
-bool
-ABISysV_ppc64::RegisterIsVolatile (const RegisterInfo *reg_info)
-{
- return !RegisterIsCalleeSaved (reg_info);
+bool ABISysV_ppc64::RegisterIsVolatile(const RegisterInfo *reg_info) {
+ return !RegisterIsCalleeSaved(reg_info);
}
// See "Register Usage" in the
// "System V Application Binary Interface"
// "64-bit PowerPC ELF Application Binary Interface Supplement"
-// current version is 1.9 released 2004 at http://refspecs.linuxfoundation.org/ELF/ppc64/PPC-elf64abi-1.9.pdf
-
-bool
-ABISysV_ppc64::RegisterIsCalleeSaved (const RegisterInfo *reg_info)
-{
- if (reg_info)
- {
- // Preserved registers are :
- // r1,r2,r13-r31
- // cr2-cr4 (partially preserved)
- // f14-f31 (not yet)
- // v20-v31 (not yet)
- // vrsave (not yet)
-
- const char *name = reg_info->name;
- if (name[0] == 'r')
- {
- if ((name[1] == '1' || name[1] == '2') && name[2] == '\0')
- return true;
- if (name[1] == '1' && name[2] > '2')
- return true;
- if ((name[1] == '2' || name[1] == '3') && name[2] != '\0')
- return true;
- }
-
- if (name[0] == 'f' && name[1] >= '0' && name[2] <= '9')
- {
- if (name[2] == '\0')
- return false;
- if (name[1] == '1' && name[2] >= '4')
- return true;
- if ((name[1] == '2' || name[1] == '3') && name[2] != '\0')
- return true;
- }
+// current version is 1.9 released 2004 at
+// http://refspecs.linuxfoundation.org/ELF/ppc64/PPC-elf64abi-1.9.pdf
+
+bool ABISysV_ppc64::RegisterIsCalleeSaved(const RegisterInfo *reg_info) {
+ if (reg_info) {
+ // Preserved registers are :
+ // r1,r2,r13-r31
+ // cr2-cr4 (partially preserved)
+ // f14-f31 (not yet)
+ // v20-v31 (not yet)
+ // vrsave (not yet)
+
+ const char *name = reg_info->name;
+ if (name[0] == 'r') {
+ if ((name[1] == '1' || name[1] == '2') && name[2] == '\0')
+ return true;
+ if (name[1] == '1' && name[2] > '2')
+ return true;
+ if ((name[1] == '2' || name[1] == '3') && name[2] != '\0')
+ return true;
+ }
- if (name[0] == 's' && name[1] == 'p' && name[2] == '\0') // sp
- return true;
- if (name[0] == 'f' && name[1] == 'p' && name[2] == '\0') // fp
- return true;
- if (name[0] == 'p' && name[1] == 'c' && name[2] == '\0') // pc
- return true;
+ if (name[0] == 'f' && name[1] >= '0' && name[2] <= '9') {
+ if (name[2] == '\0')
+ return false;
+ if (name[1] == '1' && name[2] >= '4')
+ return true;
+ if ((name[1] == '2' || name[1] == '3') && name[2] != '\0')
+ return true;
}
- return false;
+
+ if (name[0] == 's' && name[1] == 'p' && name[2] == '\0') // sp
+ return true;
+ if (name[0] == 'f' && name[1] == 'p' && name[2] == '\0') // fp
+ return true;
+ if (name[0] == 'p' && name[1] == 'c' && name[2] == '\0') // pc
+ return true;
+ }
+ return false;
}
-void
-ABISysV_ppc64::Initialize()
-{
- PluginManager::RegisterPlugin (GetPluginNameStatic(),
- "System V ABI for ppc64 targets",
- CreateInstance);
+void ABISysV_ppc64::Initialize() {
+ PluginManager::RegisterPlugin(
+ GetPluginNameStatic(), "System V ABI for ppc64 targets", CreateInstance);
}
-void
-ABISysV_ppc64::Terminate()
-{
- PluginManager::UnregisterPlugin (CreateInstance);
+void ABISysV_ppc64::Terminate() {
+ PluginManager::UnregisterPlugin(CreateInstance);
}
-lldb_private::ConstString
-ABISysV_ppc64::GetPluginNameStatic()
-{
- static ConstString g_name("sysv-ppc64");
- return g_name;
+lldb_private::ConstString ABISysV_ppc64::GetPluginNameStatic() {
+ static ConstString g_name("sysv-ppc64");
+ return g_name;
}
//------------------------------------------------------------------
// PluginInterface protocol
//------------------------------------------------------------------
-lldb_private::ConstString
-ABISysV_ppc64::GetPluginName()
-{
- return GetPluginNameStatic();
+lldb_private::ConstString ABISysV_ppc64::GetPluginName() {
+ return GetPluginNameStatic();
}
-uint32_t
-ABISysV_ppc64::GetPluginVersion()
-{
- return 1;
-}
+uint32_t ABISysV_ppc64::GetPluginVersion() { return 1; }