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Diffstat (limited to 'gprofng/src/DwarfLib.cc')
-rw-r--r--gprofng/src/DwarfLib.cc630
1 files changed, 340 insertions, 290 deletions
diff --git a/gprofng/src/DwarfLib.cc b/gprofng/src/DwarfLib.cc
index 9b40401..4720ef1 100644
--- a/gprofng/src/DwarfLib.cc
+++ b/gprofng/src/DwarfLib.cc
@@ -27,39 +27,14 @@
#include "Elf.h"
#include "Function.h"
#include "Module.h"
-#include "StringBuilder.h"
#include "DbeArray.h"
#include "DbeSession.h"
+#include "Symbol.h"
#define NO_STMT_LIST ((uint64_t) -1)
#define CASE_S(x) case x: s = (char *) #x; break
static char *
-gelf_st_type2str (int type)
-{
- static char buf[128];
- char *s;
- switch (type)
- {
- CASE_S (STT_NOTYPE);
- CASE_S (STT_OBJECT);
- CASE_S (STT_FUNC);
- CASE_S (STT_SECTION);
- CASE_S (STT_FILE);
- CASE_S (STT_COMMON);
- CASE_S (STT_TLS);
- // CASE_S(STT_NUM);
- CASE_S (STT_LOPROC);
- CASE_S (STT_HIPROC);
- default: s = NTXT ("???");
- break;
- }
- snprintf (buf, sizeof (buf), NTXT ("%s(%d)"), s, type);
- buf[sizeof (buf) - 1] = 0;
- return buf;
-}
-
-static char *
special_opcode2str (int opcode)
{
static char buf[128];
@@ -78,6 +53,7 @@ extended_opcode2str (int opcode)
CASE_S (DW_LNE_end_sequence);
CASE_S (DW_LNE_set_address);
CASE_S (DW_LNE_define_file);
+ CASE_S (DW_LNS_set_file);
default:
snprintf (buf, sizeof (buf), NTXT ("??? (%d)"), opcode);
buf[sizeof (buf) - 1] = 0;
@@ -166,246 +142,6 @@ get_string (DwrSec *sec, uint64_t off)
return NULL;
}
-
-//////////////////////////////////////////////////////////
-// class ElfReloc
-
-ElfReloc::ElfReloc (Elf *_elf)
-{
- elf = _elf;
- reloc = NULL;
- cur_reloc_ind = 0;
-}
-
-ElfReloc::~ElfReloc ()
-{
- if (reloc)
- {
- reloc->destroy ();
- delete reloc;
- }
-}
-
-void
-ElfReloc::dump_rela_debug_sec (int sec)
-{
- if (!DUMP_RELA_SEC)
- return;
- Elf_Internal_Shdr *shdr = elf->get_shdr (sec);
- if (shdr == NULL)
- return;
-
- Elf_Data *data = elf->elf_getdata (sec);
- if (data == NULL)
- return;
-
- uint64_t ScnSize = data->d_size;
- uint64_t EntSize = shdr->sh_entsize;
- if (ScnSize == 0 || EntSize == 0)
- return;
-
- Elf_Internal_Shdr *shdr_sym = elf->get_shdr (shdr->sh_link);
- if (shdr_sym == NULL)
- return;
- Elf_Data *data_sym = elf->elf_getdata (shdr->sh_link);
- Elf_Data *data_str = elf->elf_getdata (shdr_sym->sh_link);
- char *Strtab = data_str ? (char*) data_str->d_buf : NULL;
- Elf_Internal_Rela rela;
- int n, cnt = (int) (ScnSize / EntSize);
-
- char *sec_name = elf->get_sec_name (sec);
- if (sec_name == NULL) // It can not be, but let's check
- return;
- Dprintf (DUMP_RELA_SEC,
- "======= DwarfLib::dump_rela_debug_sec Section:%2d '%s'\n",
- sec, sec_name);
- Dprintf (DUMP_RELA_SEC,
- " N |addend| offset | r_info | stt_type |\n");
- for (n = 0; n < cnt; n++)
- {
- if (strncmp (sec_name, NTXT (".rela."), 6) == 0)
- elf->elf_getrela (data, n, &rela);
- else
- {
- elf->elf_getrel (data, n, &rela);
- rela.r_addend = 0;
- }
- int ndx = (int) GELF_R_SYM (rela.r_info);
- Elf_Internal_Shdr *secHdr;
- Elf_Internal_Sym sym;
- elf->elf_getsym (data_sym, ndx, &sym);
- Dprintf (DUMP_RELA_SEC, NTXT ("%3d:%5d |%11lld |0x%016llx | %-15s|"),
- n, (int) rela.r_addend,
- (long long) rela.r_offset, (long long) rela.r_info,
- gelf_st_type2str ((int) GELF_ST_TYPE (sym.st_info)));
- switch (GELF_ST_TYPE (sym.st_info))
- {
- case STT_FUNC:
- case STT_OBJECT:
- case STT_NOTYPE:
- secHdr = elf->get_shdr (sym.st_shndx);
- if (secHdr)
- Dprintf (DUMP_RELA_SEC, NTXT (" img_offset=0x%llx"),
- (long long) (sym.st_value + secHdr->sh_offset));
- if (Strtab && sym.st_name)
- Dprintf (DUMP_RELA_SEC, NTXT (" %s"), Strtab + sym.st_name);
- break;
- case STT_SECTION:
- secHdr = elf->get_shdr (sym.st_shndx);
- if (secHdr)
- {
- Dprintf (DUMP_RELA_SEC, NTXT (" value=0x%016llx (%lld)"),
- (long long) (secHdr->sh_offset + rela.r_addend),
- (long long) (secHdr->sh_offset + rela.r_addend));
- }
- break;
- default:
- break;
- }
- Dprintf (DUMP_RELA_SEC, NTXT ("\n"));
- }
- Dprintf (DUMP_RELA_SEC, NTXT ("\n"));
-}
-
-void
-ElfReloc::dump ()
-{
- if (!DUMP_ELF_RELOC || (reloc == NULL) || (reloc->size () == 0))
- return;
- Dprintf (DUMP_ELF_RELOC, NTXT ("======= ElfReloc::dump\n"));
- Dprintf (DUMP_ELF_RELOC, NTXT (" N | offset | value | STT_TYPE\n"));
- for (int i = 0; i < reloc->size (); i++)
- {
- Sreloc *srlc = reloc->fetch (i);
- Dprintf (DUMP_ELF_RELOC, NTXT ("%3d:%11lld |%11lld | %s\n"),
- i, (long long) srlc->offset, (long long) srlc->value,
- gelf_st_type2str (srlc->stt_type));
- }
- Dprintf (DUMP_ELF_RELOC, NTXT ("\n"));
-}
-
-static int
-DwrRelocOffsetCmp (const void *a, const void *b)
-{
- ElfReloc::Sreloc *item1 = *((ElfReloc::Sreloc **) a);
- ElfReloc::Sreloc *item2 = *((ElfReloc::Sreloc **) b);
- return item1->offset < item2->offset ? -1 :
- item1->offset == item2->offset ? 0 : 1;
-}
-
-ElfReloc *
-ElfReloc::get_elf_reloc (Elf *elfp, char *sec_name, ElfReloc *rlc)
-{
- int et = elfp->elf_getehdr ()->e_type;
- if (et == ET_EXEC || et == ET_DYN)
- return rlc;
- int sec = elfp->elf_get_sec_num (sec_name);
- if (sec == 0)
- return rlc;
- Elf_Internal_Shdr *shdr = elfp->get_shdr (sec);
- if (shdr == NULL || shdr->sh_entsize == 0)
- return rlc;
-
- Elf_Data *data = elfp->elf_getdata (sec);
- if (data == NULL || data->d_size == 0)
- return rlc;
-
- int cnt = (int) (data->d_size / shdr->sh_entsize);
- Elf_Internal_Shdr *shdr_sym = elfp->get_shdr (shdr->sh_link);
- if (shdr_sym == NULL)
- return rlc;
- Elf_Data *data_sym = elfp->elf_getdata (shdr->sh_link);
- Vector<Sreloc *> *vp = NULL;
-
- for (int n = 0; n < cnt; n++)
- {
- Elf_Internal_Shdr *secHdr;
- Sreloc *srlc;
- Elf_Internal_Rela rela;
- if (strncmp (sec_name, NTXT (".rela."), 6) == 0)
- elfp->elf_getrela (data, n, &rela);
- else
- {
- elfp->elf_getrel (data, n, &rela);
- rela.r_addend = 0;
- }
- int ndx = (int) GELF_R_SYM (rela.r_info);
- Elf_Internal_Sym sym;
- elfp->elf_getsym (data_sym, ndx, &sym);
-
- srlc = new Sreloc;
- srlc->offset = rela.r_offset;
- srlc->value = 0;
- srlc->stt_type = (int) GELF_ST_TYPE (sym.st_info);
- switch (GELF_ST_TYPE (sym.st_info))
- {
- case STT_FUNC:
- secHdr = elfp->get_shdr (sym.st_shndx);
- if (secHdr)
- srlc->value = secHdr->sh_offset + sym.st_value;
- break;
- case STT_OBJECT:
- case STT_NOTYPE:
- secHdr = elfp->get_shdr (shdr->sh_info);
- if (secHdr)
- {
- srlc->offset = rela.r_info;
- srlc->value = secHdr->sh_offset + rela.r_addend;
- }
- break;
- case STT_SECTION:
- secHdr = elfp->get_shdr (sym.st_shndx);
- if (secHdr)
- srlc->value = rela.r_addend;
- break;
- default:
- srlc->value = 0;
- break;
- }
- if (rlc == NULL)
- {
- rlc = new ElfReloc (elfp);
- vp = rlc->reloc;
- }
- if (vp == NULL)
- {
- vp = new Vector<Sreloc*>;
- rlc->reloc = vp;
- }
- vp->append (srlc);
- }
- if (vp)
- vp->sort (DwrRelocOffsetCmp);
- if (rlc)
- {
- rlc->dump_rela_debug_sec (sec);
- rlc->dump ();
- }
- return rlc;
-}
-
-long long
-ElfReloc::get_reloc_addr (long long offset)
-{
- Sreloc *srlc;
- int i = cur_reloc_ind - 1;
- if (i >= 0 && i < reloc->size ())
- {
- srlc = reloc->fetch (i);
- if (srlc->offset > offset) // need to reset
- cur_reloc_ind = 0;
- }
- for (; cur_reloc_ind < reloc->size (); cur_reloc_ind++)
- {
- srlc = reloc->fetch (cur_reloc_ind);
- if (srlc->offset == offset)
- return srlc->value;
- if (srlc->offset > offset)
- return 0;
- }
- return 0;
-}
-
DwrLocation *
DwrCU::dwr_get_location (DwrSec *secp, DwrLocation *lp)
{
@@ -948,6 +684,8 @@ DwrCU::form2str (int tag)
CASE_S (DW_FORM_strp);
CASE_S (DW_FORM_udata);
CASE_S (DW_FORM_ref_addr);
+ CASE_S (DW_FORM_GNU_ref_alt);
+ CASE_S (DW_FORM_GNU_strp_alt);
CASE_S (DW_FORM_ref1);
CASE_S (DW_FORM_ref2);
CASE_S (DW_FORM_ref4);
@@ -1005,12 +743,12 @@ Dwr_Tag::dump ()
case DW_FORM_strp:
case DW_FORM_string:
case DW_FORM_line_strp:
+ case DW_FORM_GNU_strp_alt:
case DW_FORM_strp_sup:
case DW_FORM_strx1:
case DW_FORM_strx2:
case DW_FORM_strx3:
case DW_FORM_strx4:
- case DW_FORM_implicit_const:
Dprintf (DUMP_DWARFLIB, " \"%s\"", atrp->u.str ? atrp->u.str : "<NULL>");
break;
case DW_FORM_block:
@@ -1046,9 +784,11 @@ Dwr_Tag::dump ()
case DW_FORM_ref_udata:
case DW_FORM_indirect:
case DW_FORM_sec_offset:
+ case DW_FORM_GNU_ref_alt:
case DW_FORM_exprloc:
case DW_FORM_ref_sig8:
case DW_FORM_flag_present:
+ case DW_FORM_implicit_const:
Dprintf (DUMP_DWARFLIB, " 0x%llx (%lld)", (long long) atrp->u.val,
(long long) atrp->u.val);
break;
@@ -1070,34 +810,28 @@ Dwr_Tag::dump ()
DwrSec::DwrSec (unsigned char *_data, uint64_t _size, bool _need_swap_endian, bool _addr32)
{
- isCopy = false;
data = _data;
sizeSec = _size;
size = (data ? _size : 0);
offset = 0;
fmt64 = false;
- reloc = NULL;
need_swap_endian = _need_swap_endian;
addr32 = _addr32;
}
DwrSec::DwrSec (DwrSec *secp, uint64_t _offset)
{
- isCopy = true;
data = secp->data;
sizeSec = secp->sizeSec;
size = secp->size;
offset = _offset;
fmt64 = secp->fmt64;
- reloc = secp->reloc;
need_swap_endian = secp->need_swap_endian;
addr32 = secp->addr32;
}
DwrSec::~DwrSec ()
{
- if (!isCopy)
- delete reloc;
}
bool
@@ -1107,6 +841,7 @@ DwrSec::bounds_violation (uint64_t sz)
{
Dprintf (DEBUG_ERR_MSG, "DwrSec::bounds_violation: offset=%lld + sz=%lld > size=%lld\n",
(long long) offset, (long long) sz, (long long) size);
+ offset = size;
return true;
}
return false;
@@ -1224,17 +959,13 @@ DwrSec::GetLong ()
uint64_t
DwrSec::GetADDR_32 ()
{
- uint64_t res = reloc ? reloc->get_reloc_addr (offset) : 0;
- res += Get_32 ();
- return res;
+ return Get_32 ();
}
uint64_t
DwrSec::GetADDR_64 ()
{
- uint64_t res = reloc ? reloc->get_reloc_addr (offset) : 0;
- res += Get_64 ();
- return res;
+ return Get_64 ();
}
uint64_t
@@ -1294,6 +1025,7 @@ DwrSec::get_value (int dw_form)
case DW_FORM_line_strp:
case DW_FORM_strp:
case DW_FORM_strp_sup:
+ case DW_FORM_GNU_strp_alt:
return GetRef ();
case DW_FORM_data1:
return Get_8 ();
@@ -1557,6 +1289,8 @@ DwrLineRegs::read_file_names_dwarf5 ()
nm = get_string (dwarf->debug_line_strSec, off);
else if (efmt[k].form_code == DW_FORM_strp)
nm = get_string (dwarf->debug_strSec, off);
+ else if (efmt[k].form_code == DW_FORM_GNU_strp_alt)
+ nm = get_string (dwarf->debug_alt_strSec, off);
}
break;
case DW_LNCT_directory_index:
@@ -1807,6 +1541,12 @@ DwrLineRegs::getPath (int fn)
DwrCU::DwrCU (Dwarf *_dwarf)
{
dwarf = _dwarf;
+ tmp_syms = new Vector<Symbol*>();
+ rng_list = NULL;
+ rng_list_inited = false;
+ base_address = 0;
+ symbols = NULL;
+ symbols_sorted_by_name = NULL;
cu_offset = dwarf->debug_infoSec->offset;
debug_infoSec = new DwrSec (dwarf->debug_infoSec, cu_offset);
next_cu_offset = debug_infoSec->ReadLength ();
@@ -1848,7 +1588,7 @@ DwrCU::DwrCU (Dwarf *_dwarf)
if (DUMP_DWARFLIB)
{
Dprintf (DUMP_DWARFLIB,
- "CU_HEADER: header_offset = 0x%08llx %lld"
+ "File: %s\nCU_HEADER: header_offset = 0x%08llx %lld"
" next_header_offset=0x%08llx %lld\n"
" abbrev_offset = 0x%08llx %lld\n"
" unit_length = %lld\n"
@@ -1856,10 +1596,11 @@ DwrCU::DwrCU (Dwarf *_dwarf)
" address_size = %d\n"
" fmt64 = %s\n"
"debug_info: need_swap_endian=%s fmt64=%s addr32=%s\n",
+ dwarf->elf->get_location (),
(long long) cu_offset, (long long) cu_offset,
(long long) next_cu_offset, (long long) next_cu_offset,
(long long) debug_abbrev_offset, (long long) debug_abbrev_offset,
- (long long) (next_cu_offset - cu_offset),
+ (long long) (next_cu_offset),
(int) version, (int) address_size,
debug_infoSec->fmt64 ? "true" : "false",
debug_infoSec->need_swap_endian ? "true" : "false",
@@ -1895,6 +1636,9 @@ DwrCU::~DwrCU ()
Destroy (dwrInlinedSubrs);
delete srcFiles;
delete dwrLineReg;
+ delete symbols;
+ delete symbols_sorted_by_name;
+ delete tmp_syms;
free (comp_dir);
}
@@ -1937,7 +1681,7 @@ DwrCU::build_abbrevTable (DwrSec *_debug_abbrevSec, uint64_t _offset)
switch (atf.at_form)
{
case DW_FORM_implicit_const:
- atf.len = debug_abbrevSec->GetSLEB128 ();
+ atf.u.val = debug_abbrevSec->GetSLEB128 ();
break;
}
abbrevAtForm->append (atf);
@@ -1957,7 +1701,7 @@ DwrCU::set_die (Dwarf_Die die)
|| debug_infoSec->offset >= debug_infoSec->size)
return DW_DLV_ERROR;
dwrTag.offset = debug_infoSec->offset;
- dwrTag.die = debug_infoSec->offset - cu_offset;
+ dwrTag.die = debug_infoSec->offset;
dwrTag.num = debug_infoSec->GetULEB128_32 ();
if (dwrTag.num == 0)
return DW_DLV_NO_ENTRY;
@@ -2006,19 +1750,19 @@ DwrCU::set_die (Dwarf_Die die)
atf->u.str = debug_infoSec->GetData (atf->len);
break;
case DW_FORM_ref1:
- atf->u.offset = debug_infoSec->Get_8 ();
+ atf->u.offset = debug_infoSec->Get_8 () + cu_offset;
break;
case DW_FORM_ref2:
- atf->u.offset = debug_infoSec->Get_16 ();
+ atf->u.offset = debug_infoSec->Get_16 () + cu_offset;
break;
case DW_FORM_ref4:
- atf->u.offset = debug_infoSec->Get_32 ();
+ atf->u.offset = debug_infoSec->Get_32 () + cu_offset;
break;
case DW_FORM_ref8:
- atf->u.offset = debug_infoSec->Get_64 ();
+ atf->u.offset = debug_infoSec->Get_64 () + cu_offset;
break;
case DW_FORM_ref_udata:
- atf->u.offset = debug_infoSec->GetULEB128 ();
+ atf->u.offset = debug_infoSec->GetULEB128 () + cu_offset;
break;
case DW_FORM_data1:
atf->u.offset = debug_infoSec->Get_8 ();
@@ -2052,6 +1796,9 @@ DwrCU::set_die (Dwarf_Die die)
else
atf->u.offset = debug_infoSec->GetADDR ();
break;
+ case DW_FORM_GNU_ref_alt:
+ atf->u.offset = debug_infoSec->GetRef ();
+ break;
case DW_FORM_sec_offset:
atf->u.offset = debug_infoSec->GetRef ();
break;
@@ -2075,6 +1822,10 @@ DwrCU::set_die (Dwarf_Die die)
case DW_FORM_rnglistx:
atf->u.offset = debug_infoSec->GetULEB128 ();
break;
+ case DW_FORM_GNU_strp_alt:
+ atf->u.offset = debug_infoSec->GetRef ();
+ atf->u.str = get_string (dwarf->debug_alt_strSec, atf->u.offset);
+ break;
case DW_FORM_strx:
atf->u.offset = debug_infoSec->GetULEB128 ();
atf->u.str = get_string (dwarf->debug_strSec, atf->u.offset);
@@ -2121,7 +1872,7 @@ DwrCU::set_die (Dwarf_Die die)
atf->len = 0;
break;
case DW_FORM_implicit_const:
- atf->u.str = NULL;
+ // atf->u.val is already set
break;
default:
DEBUG_CODE
@@ -2199,9 +1950,241 @@ DwrCU::parse_cu_header (LoadObject *lo)
else
path = dbe_strdup (dwarf->stabs->path);
module->set_name (path);
+
+ // create a list of functions in this CU
+ base_address = get_low_pc ();
+ Vector <Range *> *ranges = get_ranges ();
+ if (ranges)
+ {
+ Vector <Symbol *> *syms = dwarf->stabs->get_symbols ();
+ symbols = Symbol::find_symbols (syms, ranges, new Vector <Symbol *> ());
+ symbols_sorted_by_name = Symbol::sort_by_name (symbols);
+ if (DUMP_ELF_SYM)
+ symbols->dump ("DwrCU::parse_cu_header: symbols");
+ Destroy (ranges);
+ }
return module;
}
+
+static int
+cmp_ExtRange (const void *a, const void *b)
+{
+ uint64_t a1 = *((uint64_t *) a);
+ ExtRange *rng = *((ExtRange **) b);
+ uint64_t b1 = rng->offset;
+ return a1 < b1 ? -1 : (a1 == b1 ? 0 : 1);
+}
+
+static int
+cmp_offset (const void *a, const void *b)
+{
+ uint64_t off = *((uint64_t *) a);
+ Dwr_rng_entry *rng = *((Dwr_rng_entry **) b);
+ return off < rng->offset ? -1 : (off < rng->length ? 0 : 1);
+}
+
+static int
+rangeCmp (const void *a, const void *b)
+{
+ Range *item1 = *((Range **) a);
+ Range *item2 = *((Range **) b);
+ return item1->low < item2->low ? -1 : (item1->low == item2->low ? 0 : 1);
+}
+
+Vector <Range *> *
+DwrCU::get_ranges ()
+{
+ Vector <Range *> *ranges = NULL;
+ Dwr_Attr *dwrAttr = dwrTag.get_attr (DW_AT_ranges);
+ if (dwrAttr)
+ {
+ uint64_t offset = dwrAttr->u.offset;
+ Dprintf (DUMP_DWARFLIB, "DwrCU::get_ranges: 0x%llx\n", (long long) offset);
+ if (version < 5)
+ ranges = dwarf->get_ranges (offset);
+ else
+ {
+ if (rng_list == NULL && !rng_list_inited)
+ {
+ rng_list_inited = true;
+ // Find the corresponding section in .debug_rnglists
+ Vector <Dwr_rng_entry *> *rng_entrys = dwarf->get_debug_rnglists ();
+ if (rng_entrys == NULL)
+ return NULL;
+ int ind = rng_entrys->bisearch (0, -1, &offset, cmp_offset);
+ if (ind != -1)
+ rng_list = rng_entrys->get (ind);
+ else
+ {
+ Dprintf (1, "Cannot find rnglist. DW_AT_ranges=0x%llx\n",
+ (long long) offset);
+ return NULL;
+ }
+ }
+ if (rng_list == NULL)
+ return NULL;
+ int ind = rng_list->ranges->bisearch (0, -1, &offset, cmp_ExtRange);
+ if (ind == -1)
+ {
+ Dprintf (1, "Cannot find rnglist. DW_AT_ranges=0x%llx\n",
+ (long long) offset);
+ return NULL;
+ }
+ ranges = new Vector <Range *> ();
+ for (long i = ind, sz = VecSize (rng_list->ranges); i < sz; i++)
+ {
+ ExtRange *r = rng_list->ranges->get (i);
+ if (r->high == 0)
+ break;
+ ranges->append (new Range (r->low + base_address,
+ r->high + base_address));
+ }
+ }
+ }
+ else
+ {
+ uint64_t low_pc = Dwarf_addr (DW_AT_low_pc);
+ if (low_pc > 0)
+ {
+ uint64_t high_pc = get_high_pc (low_pc);
+ ranges = new Vector <Range *> (1);
+ ranges->append (new Range (low_pc, high_pc));
+ Dprintf (DUMP_DWARFLIB, "DwrCU::get_ranges: pc=0x%llx\n",
+ (long long) low_pc);
+ }
+ }
+ if (ranges)
+ {
+ ranges->sort (rangeCmp);
+ if (DUMP_DWARFLIB)
+ ranges->dump ("DwrCU::get_ranges:");
+ }
+ return ranges;
+}
+
+Vector<Symbol *> *
+DwrCU::get_symbols (Vector<Symbol *> *syms)
+{
+ if (syms)
+ syms->reset ();
+ Vector <Range *> *ranges = get_ranges ();
+ if (ranges)
+ {
+ syms = Symbol::find_symbols (symbols, ranges, syms);
+ Destroy (ranges);
+ }
+ if (syms)
+ {
+ Symbol *sym = Symbol::get_symbol (symbols_sorted_by_name,
+ get_linkage_name ());
+ if (sym)
+ syms->append (sym);
+ }
+ if (syms && DUMP_ELF_SYM)
+ syms->dump ("DwrCU::get_symbols:");
+ return syms;
+}
+
+void
+DwrCU::set_source (Function *func)
+{
+ int lineno = (int) Dwarf_data (DW_AT_decl_line);
+ func->setLineFirst (lineno);
+
+ int fileno = (int) Dwarf_data (DW_AT_decl_file);
+ func->setDefSrc (get_source (fileno));
+}
+
+SourceFile *
+DwrCU::get_source (int fileno)
+{
+ if (fileno > 0 && fileno < VecSize (srcFiles))
+ return srcFiles->get (fileno);
+ return NULL;
+}
+
+void
+DwrCU::inherit_prop (int64_t offset, source_t *src)
+{
+ if (src->lineno == 0)
+ src->lineno = (int) Dwarf_data (DW_AT_decl_line);
+ if (src->sf == NULL)
+ src->sf = get_source ((int) Dwarf_data (DW_AT_decl_file));
+
+ int64_t old_offset = dwrTag.offset;
+ if (set_die (offset) == DW_DLV_OK)
+ {
+ if (src->lineno == 0)
+ src->lineno = (int) Dwarf_data (DW_AT_decl_line);
+ if (src->sf == NULL)
+ src->sf = get_source ((int) Dwarf_data (DW_AT_decl_file));
+
+ Dwr_Attr *dwrAttr = dwrTag.get_attr (DW_AT_specification);
+ if (dwrAttr)
+ inherit_prop (dwrAttr->u.offset, src);
+ else
+ {
+ Symbol *sym = Symbol::get_symbol (symbols_sorted_by_name,
+ get_linkage_name ());
+ if (sym)
+ update_source (sym, src);
+ }
+ }
+ set_die (old_offset);
+}
+
+void
+DwrCU::set_up_funcs (int64_t offset)
+{
+ // get symbols from DW_AT_ranges, DW_AT_low_pc, DW_AT_linkage_name
+ Vector<Symbol *> *syms = get_symbols (tmp_syms);
+ if (VecSize (syms) == 0)
+ return;
+
+ // Find previous declaration to inherit settings.
+ source_t src = {.lineno = 0, .sf = NULL};
+ inherit_prop (offset, &src);
+
+ for (int i = 0, sz = VecSize (syms); i < sz; i++)
+ {
+ Symbol *sym = syms->get (i);
+ update_source (sym, &src);
+ if (sym->alias)
+ update_source (sym->alias, &src);
+ }
+}
+
+/* Create a function if necessary.
+ * Update the source information */
+void
+DwrCU::update_source (Symbol *sym, source_t *src)
+{
+ Function *f = sym->createFunction (module);
+ f->setLineFirst (src->lineno);
+ f->setDefSrc (src->sf);
+}
+
+Symbol *
+DwrCU::find_declaration (int64_t offset, source_t *src)
+{
+ int64_t old_offset = dwrTag.offset;
+ Symbol *sym = NULL;
+ if (set_die (offset) == DW_DLV_OK)
+ {
+ if (src->lineno == 0)
+ src->lineno = (int) Dwarf_data (DW_AT_decl_line);
+ if (src->sf == NULL)
+ src->sf = get_source ((int) Dwarf_data (DW_AT_decl_file));
+
+ sym = Symbol::get_symbol (symbols_sorted_by_name, get_linkage_name ());
+ if (sym && sym->func == NULL)
+ update_source (sym, src);
+ }
+ set_die (old_offset);
+ return sym;
+}
+
Dwr_Attr *
Dwr_Tag::get_attr (Dwarf_Half attr)
{
@@ -2281,6 +2264,7 @@ DwrCU::read_data_attr (Dwarf_Half attr, int64_t *retVal)
case DW_FORM_data16:
case DW_FORM_udata:
case DW_FORM_sec_offset:
+ case DW_FORM_implicit_const:
*retVal = dwrAttr->u.val;
return DW_DLV_OK;
@@ -2369,7 +2353,7 @@ DwrCU::map_dwarf_lines (Module *mod)
InlinedSubr *p = func->inlinedSubr + func->inlinedSubrCnt;
func->inlinedSubrCnt++;
int fileno = inlinedSubr->file - 1;
- SourceFile *sf = ((fileno >= 0) && (fileno < VecSize (srcFiles))) ?
+ SourceFile *sf = ((fileno > 0) && (fileno < VecSize (srcFiles))) ?
srcFiles->get (fileno) : dbeSession->get_Unknown_Source ();
p->dbeLine = sf->find_dbeline (inlinedSubr->line);
p->high_pc = inlinedSubr->high_pc - low_pc;
@@ -2514,3 +2498,69 @@ DwrInlinedSubr::dump ()
(int) level, (long long) abstract_origin, (long long) low_pc,
(long long) high_pc, (int) file, (int) line);
}
+
+
+//////////////////////////////////////////////////////////
+// class Dwr_rng_entry
+Dwr_rng_entry::Dwr_rng_entry ()
+{
+ ranges = new Vector <ExtRange *>();
+}
+
+Dwr_rng_entry::~Dwr_rng_entry ()
+{
+ delete ranges;
+}
+
+void
+Dwr_rng_entry::dump ()
+{
+ Dprintf (DUMP_DWARFLIB, "offset=0x%08llx length=0x%08llx fmt=%d version=%d "
+ "addr_size=%d seg_size=%d offset_entry_count=0x%llx\n",
+ (long long) offset, (long long) (length - offset), fmt64 ? 64 : 32,
+ (int) version, (int) address_size, (int) segment_selector_size,
+ (long long) offset_entry_count);
+ for (long i = 0, sz = VecSize (ranges); i < sz; i++)
+ {
+ ExtRange *p = ranges->get (i);
+ Dprintf (DUMP_DWARFLIB, " %8ld: 0x%08llx 0x%08llx-0x%08llx [%lld-%lld)\n",
+ i, (long long) p->offset, (long long) p->low, (long long) p->high,
+ (long long) p->low, (long long) p->high);
+ }
+}
+
+char *
+Dwr_rng_entry::rng_entry2str (int val)
+{
+ char *s;
+ switch (val)
+ {
+ CASE_S (DW_RLE_end_of_list);
+ CASE_S (DW_RLE_base_address);
+ CASE_S (DW_RLE_start_length);
+ CASE_S (DW_RLE_offset_pair);
+ CASE_S (DW_RLE_start_end);
+ CASE_S (DW_RLE_base_addressx);
+ CASE_S (DW_RLE_startx_endx);
+ CASE_S (DW_RLE_startx_length);
+ default: s = (char *) "???";
+ break;
+ }
+ return s;
+}
+
+template<> void Vector<Dwr_rng_entry *>::dump (const char *msg)
+{
+ if (!DUMP_DWARFLIB)
+ return;
+ if (msg == NULL)
+ msg = "#";
+ Dprintf (1, NTXT ("\n%s Vector<Dwr_rng_entry *> [%lld]\n"), msg, (long long) size ());
+ for (long i = 0, sz = size (); i < sz; i++)
+ {
+ Dwr_rng_entry *p = get (i);
+ Dprintf (1, " %3ld ", i);
+ p->dump ();
+ }
+}
+