Removed libunwind sources as we aren't using them anymore.

llvm-svn: 122059

1 files changed, 0 insertions, 320 deletions

diff --git a/lldb/source/Plugins/Process/Utility/MacOSXLibunwindCallbacks.cpp b/lldb/source/Plugins/Process/Utility/MacOSXLibunwindCallbacks.cpp
deleted file mode 100644
index 7f6f1759bdb..00000000000
--- a/lldb/source/Plugins/Process/Utility/MacOSXLibunwindCallbacks.cpp
+++ /dev/null
@@ -1,320 +0,0 @@
-//===-- MacOSXLibunwindCallbacks.cpp ----------------------------*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef liblldb_MacOSXLibunwindCallbacks_cpp_
-#define liblldb_MacOSXLibunwindCallbacks_cpp_
-#if defined(__cplusplus)
-
-#include "lldb/Core/DataExtractor.h"
-#include "lldb/Core/FileSpec.h"
-#include "lldb/Core/DataBufferHeap.h"
-#include "lldb/Symbol/ObjectFile.h"
-#include "lldb/Symbol/SymbolContext.h"
-#include "lldb/Target/Process.h"
-#include "lldb/Target/RegisterContext.h"
-#include "lldb/Target/Target.h"
-#include "lldb/Target/Thread.h"
-
-#include "lldb/lldb-enumerations.h"
-#include "llvm-c/EnhancedDisassembly.h"
-
-#include "libunwind/include/libunwind.h"
-
-using namespace lldb;
-
-namespace lldb_private {
-
-/* Don't implement (libunwind does not use)
-      find_proc_info
-      put_unwind_info
-      get_dyn_info_list_addr
-      access_mem
-      resume
-*/
-/*
-  Should implement (not needed yet)
-      access_fpreg
-      access_vecreg
-      proc_is_sigtramp
-      proc_is_inferior_function_call
-      access_reg_inf_func_call
-*/
-  
-static int 
-access_reg (lldb_private::unw_addr_space_t as, lldb_private::unw_regnum_t regnum, lldb_private::unw_word_t *valp, int write, void *arg)
-{
-    if (arg == 0)
-        return -1;
-    Thread *th = (Thread *) arg;
-    /* FIXME Only support reading for now.  */
-    if (write == 1)
-        return -1;
-    if (th->GetRegisterContext()->GetRegisterInfoAtIndex(regnum) == NULL)
-        return -1;
-    DataExtractor de;
-    if (!th->GetRegisterContext()->ReadRegisterBytes (regnum, de))
-        return -1;
-    memcpy (valp, de.GetDataStart(), de.GetByteSize());
-    return UNW_ESUCCESS;
-}
-
-static int 
-get_proc_name (lldb_private::unw_addr_space_t as, lldb_private::unw_word_t ip, char *bufp, size_t buf_len, lldb_private::unw_word_t *offp, void *arg)
-{
-    if (arg == 0)
-        return -1;
-    Thread *thread = (Thread *) arg;
-    Target &target = thread->GetProcess().GetTarget();
-    Address addr;
-    if (!target.GetSectionLoadList().ResolveLoadAddress(ip, addr))
-        return -1;
-    
-    SymbolContext sc;
-    if (!target.GetImages().ResolveSymbolContextForAddress (addr, eSymbolContextFunction, sc))
-        return -1;
-    if (!sc.symbol)
-        return -1;
-    strlcpy (bufp, sc.symbol->GetMangled().GetMangledName().AsCString(""), buf_len);
-    if (offp)
-        *offp = addr.GetLoadAddress(&target) - sc.symbol->GetValue().GetLoadAddress(&target);
-    return UNW_ESUCCESS;
-}
-
-static int 
-find_image_info (lldb_private::unw_addr_space_t as, lldb_private::unw_word_t load_addr, lldb_private::unw_word_t *mh, 
-                 lldb_private::unw_word_t *text_start, lldb_private::unw_word_t *text_end, 
-                 lldb_private::unw_word_t *eh_frame, lldb_private::unw_word_t *eh_frame_len, 
-                 lldb_private::unw_word_t *compact_unwind_start, lldb_private::unw_word_t *compact_unwind_len, void *arg)
-{
-    if (arg == 0)
-        return -1;
-    Thread *thread = (Thread *) arg;
-    Target &target = thread->GetProcess().GetTarget();
-    Address addr;
-    if (!target.GetSectionLoadList().ResolveLoadAddress(load_addr, addr))
-        return -1;
-    
-    SymbolContext sc;
-    if (!target.GetImages().ResolveSymbolContextForAddress (addr, eSymbolContextModule, sc))
-        return -1;
-    
-    SectionList *sl = sc.module_sp->GetObjectFile()->GetSectionList();
-    static ConstString g_segment_name_TEXT("__TEXT");
-    SectionSP text_segment_sp(sl->FindSectionByName(g_segment_name_TEXT));
-    if (!text_segment_sp)
-        return -1;
-    
-    *mh = text_segment_sp->GetLoadBaseAddress (&target);
-    *text_start = text_segment_sp->GetLoadBaseAddress (&target);
-    *text_end = *text_start + text_segment_sp->GetByteSize();
-    
-    static ConstString g_section_name_eh_frame ("__eh_frame");
-    SectionSP eh_frame_section_sp = text_segment_sp->GetChildren().FindSectionByName(g_section_name_eh_frame);
-    if (eh_frame_section_sp.get()) {
-        *eh_frame = eh_frame_section_sp->GetLoadBaseAddress (&target);
-        *eh_frame_len = eh_frame_section_sp->GetByteSize();
-    } else {
-        *eh_frame = 0;
-        *eh_frame_len = 0;
-    }
-    
-    static ConstString g_section_name_unwind_info ("__unwind_info");
-    SectionSP unwind_info_section_sp = text_segment_sp->GetChildren().FindSectionByName(g_section_name_unwind_info);
-    if (unwind_info_section_sp.get()) {
-        *compact_unwind_start = unwind_info_section_sp->GetLoadBaseAddress (&target);
-        *compact_unwind_len = unwind_info_section_sp->GetByteSize();
-    } else {
-        *compact_unwind_start = 0;
-        *compact_unwind_len = 0;
-    }
-    return UNW_ESUCCESS;
-}
-
-static int 
-get_proc_bounds (lldb_private::unw_addr_space_t as, lldb_private::unw_word_t ip, lldb_private::unw_word_t *low, lldb_private::unw_word_t *high, void *arg)
-{
-    if (arg == 0)
-        return -1;
-    Thread *thread = (Thread *) arg;
-    Target &target = thread->GetProcess().GetTarget();
-    Address addr;
-    if (!target.GetSectionLoadList().ResolveLoadAddress(ip, addr))
-        return -1;
-    SymbolContext sc;
-    if (!target.GetImages().ResolveSymbolContextForAddress (addr, eSymbolContextFunction | eSymbolContextSymbol, sc))
-        return -1;
-    if (sc.function)
-    {
-        lldb::addr_t start, len;
-        start = sc.function->GetAddressRange().GetBaseAddress().GetLoadAddress(&target);
-        len = sc.function->GetAddressRange().GetByteSize();
-        if (start == LLDB_INVALID_ADDRESS || len == LLDB_INVALID_ADDRESS)
-            return -1;
-        *low = start;
-        *high = start + len;
-        return UNW_ESUCCESS;
-    }
-    if (sc.symbol)
-    {
-        lldb::addr_t start, len;
-        start = sc.symbol->GetAddressRangeRef().GetBaseAddress().GetLoadAddress(&target);
-        len = sc.symbol->GetAddressRangeRef().GetByteSize();
-        if (start == LLDB_INVALID_ADDRESS)
-            return -1;
-        *low = start;
-        if (len != LLDB_INVALID_ADDRESS)
-            *high = start + len;
-        else
-            *high = 0;
-        return UNW_ESUCCESS;
-    }
-    return -1;
-}
-
-static int 
-access_raw (lldb_private::unw_addr_space_t as, lldb_private::unw_word_t addr, lldb_private::unw_word_t extent, uint8_t *valp, int write, void *arg)
-{
-    if (arg == 0)
-        return -1;
-    Thread *th = (Thread *) arg;
-    /* FIXME Only support reading for now.  */
-    if (write == 1)
-        return -1;
-    
-    Error error;
-    if (th->GetProcess().ReadMemory (addr, valp, extent, error) != extent)
-        return -1;
-    return UNW_ESUCCESS;
-}
-
-
-static int 
-reg_info 
-(
-    lldb_private::unw_addr_space_t as, 
-    lldb_private::unw_regnum_t regnum, 
-    lldb_private::unw_regtype_t *type, 
-    char *buf, 
-    size_t buflen, 
-    void *arg
-)
-{
-    if (arg == 0)
-        return -1;
-    Thread *th = (Thread *) arg;
-    RegisterContext *regc = th->GetRegisterContext();
-    if (regnum > regc->GetRegisterCount())
-    {
-        *type = UNW_NOT_A_REG;
-        return UNW_ESUCCESS;
-    }
-    
-    const char *name = regc->GetRegisterName (regnum);
-    if (name == NULL)
-    {
-        *type = UNW_NOT_A_REG;
-        return UNW_ESUCCESS;
-    }
-    strlcpy (buf, name, buflen);
-    
-    const lldb::RegisterInfo *reginfo = regc->GetRegisterInfoAtIndex (regnum);
-    if (reginfo == NULL || reginfo->encoding == eEncodingInvalid)
-    {
-        *type = UNW_NOT_A_REG;
-        return UNW_ESUCCESS;
-    }
-    if (reginfo->encoding == eEncodingUint || reginfo->encoding == eEncodingSint)
-        *type = UNW_INTEGER_REG;
-    if (reginfo->encoding == eEncodingIEEE754)
-        *type = UNW_FLOATING_POINT_REG;
-    if (reginfo->encoding == eEncodingVector)
-        *type = UNW_VECTOR_REG;
-    
-    return UNW_ESUCCESS;
-}
-
-
-static int
-read_byte_for_edis (uint8_t *buf, uint64_t addr, void *arg)
-{
-    if (arg == 0)
-        return -1;
-    Thread *th = (Thread *) arg;
-    DataBufferHeap onebyte(1, 0);
-    Error error;
-    if (th->GetProcess().ReadMemory (addr, onebyte.GetBytes(), onebyte.GetByteSize(), error) != 1)
-        return -1;
-    *buf = onebyte.GetBytes()[0];
-    return UNW_ESUCCESS;
-}
-
-static int 
-instruction_length (lldb_private::unw_addr_space_t as, lldb_private::unw_word_t addr, int *length, void *arg)
-{
-    EDDisassemblerRef disasm;
-    EDInstRef         cur_insn;
-    
-    if (arg == 0)
-        return -1;
-    Thread *thread = (Thread *) arg;
-    Target &target = thread->GetProcess().GetTarget();
-
-    const ArchSpec::CPU arch_cpu = target.GetArchitecture ().GetGenericCPUType();
-
-    if (arch_cpu == ArchSpec::eCPU_i386)
-    {
-        if (EDGetDisassembler (&disasm, "i386-apple-darwin", kEDAssemblySyntaxX86ATT) != 0)
-            return -1;
-    }
-    else if (arch_cpu == ArchSpec::eCPU_x86_64)
-    {
-        if (EDGetDisassembler (&disasm, "x86_64-apple-darwin", kEDAssemblySyntaxX86ATT) != 0)
-            return -1;
-    }
-    else
-    {
-        return -1;
-    }
-    
-    if (EDCreateInsts (&cur_insn, 1, disasm, read_byte_for_edis, addr, arg) != 1)
-        return -1;
-    *length = EDInstByteSize (cur_insn);
-    EDReleaseInst (cur_insn);
-    return UNW_ESUCCESS;
-}
-
-lldb_private::unw_accessors_t 
-get_macosx_libunwind_callbacks () {
-  lldb_private::unw_accessors_t ap;
-  bzero (&ap, sizeof (lldb_private::unw_accessors_t));
-  ap.find_proc_info = NULL;
-  ap.put_unwind_info = NULL;
-  ap.get_dyn_info_list_addr = NULL;
-  ap.find_image_info = find_image_info;
-  ap.access_mem = NULL;
-  ap.access_reg = access_reg;
-  ap.access_fpreg = NULL;
-  ap.access_vecreg = NULL;
-  ap.resume = NULL;
-  ap.get_proc_name = get_proc_name;
-  ap.get_proc_bounds = get_proc_bounds;
-  ap.access_raw = access_raw;
-  ap.reg_info = reg_info;
-  ap.proc_is_sigtramp = NULL;
-  ap.proc_is_inferior_function_call = NULL;
-  ap.access_reg_inf_func_call = NULL;
-  ap.instruction_length = instruction_length;
-  return ap;
-}
-
-
-} // namespace lldb_private
-
-#endif  // #if defined(__cplusplus)
-#endif // #ifndef liblldb_MacOSXLibunwindCallbacks_cpp_