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Diffstat (limited to 'src/common/solaris/dump_symbols.cc')
-rw-r--r--src/common/solaris/dump_symbols.cc149
1 files changed, 74 insertions, 75 deletions
diff --git a/src/common/solaris/dump_symbols.cc b/src/common/solaris/dump_symbols.cc
index 168d0b28..9524a18b 100644
--- a/src/common/solaris/dump_symbols.cc
+++ b/src/common/solaris/dump_symbols.cc
@@ -97,7 +97,7 @@ struct LineInfo {
// Information of a function.
struct FuncInfo {
// Name of the function.
- const char *name;
+ const char* name;
// Offset from the base of the loading address.
GElf_Off rva_to_base;
// Virtual address of the function.
@@ -115,7 +115,7 @@ struct FuncInfo {
// Information of a source file.
struct SourceFileInfo {
// Name of the source file.
- const char *name;
+ const char* name;
// Starting address of the source file.
GElf_Addr addr;
// Id of the source file.
@@ -125,12 +125,12 @@ struct SourceFileInfo {
};
struct CompareString {
- bool operator()(const char *s1, const char *s2) const {
+ bool operator()(const char* s1, const char* s2) const {
return strcmp(s1, s2) < 0;
}
};
-typedef std::map<const char *, struct SymbolEntry *, CompareString> SymbolMap;
+typedef std::map<const char*, struct SymbolEntry*, CompareString> SymbolMap;
// Information of a symbol table.
// This is the root of all types of symbol.
@@ -141,16 +141,16 @@ struct SymbolInfo {
};
// Stab section name.
-const char *kStabName = ".stab";
+const char* kStabName = ".stab";
// Stab str section name.
-const char *kStabStrName = ".stabstr";
+const char* kStabStrName = ".stabstr";
// Symtab section name.
-const char *kSymtabName = ".symtab";
+const char* kSymtabName = ".symtab";
// Strtab section name.
-const char *kStrtabName = ".strtab";
+const char* kStrtabName = ".strtab";
// Default buffer lenght for demangle.
const int demangleLen = 20000;
@@ -160,11 +160,11 @@ uint64_t stringOffset = 0;
// Update the offset to the start of the string index of the next
// object module for every N_ENDM stabs.
-inline void RecalculateOffset(struct slist* cur_list, char *stabstr) {
+inline void RecalculateOffset(struct slist* cur_list, char* stabstr) {
while ((--cur_list)->n_strx == 0) ;
stringOffset += cur_list->n_strx;
- char *temp = stabstr + stringOffset;
+ char* temp = stabstr + stringOffset;
while (*temp != '\0') {
++stringOffset;
++temp;
@@ -174,10 +174,10 @@ inline void RecalculateOffset(struct slist* cur_list, char *stabstr) {
}
// Demangle using demangle library on Solaris.
-std::string Demangle(const char *mangled) {
+std::string Demangle(const char* mangled) {
int status = 0;
std::string str(mangled);
- char *demangled = (char *)malloc(demangleLen);
+ char* demangled = (char*)malloc(demangleLen);
if (!demangled) {
fprintf(stderr, "no enough memory.\n");
@@ -197,7 +197,7 @@ out:
return str;
}
-bool WriteFormat(int fd, const char *fmt, ...) {
+bool WriteFormat(int fd, const char* fmt, ...) {
va_list list;
char buffer[4096];
ssize_t expected, written;
@@ -209,27 +209,27 @@ bool WriteFormat(int fd, const char *fmt, ...) {
return expected == written;
}
-bool IsValidElf(const GElf_Ehdr *elf_header) {
+bool IsValidElf(const GElf_Ehdr* elf_header) {
return memcmp(elf_header, ELFMAG, SELFMAG) == 0;
}
-static bool FindSectionByName(Elf *elf, const char *name,
+static bool FindSectionByName(Elf* elf, const char* name,
int shstrndx,
- GElf_Shdr *shdr) {
+ GElf_Shdr* shdr) {
assert(name != NULL);
if (strlen(name) == 0)
return false;
- Elf_Scn *scn = NULL;
+ Elf_Scn* scn = NULL;
while ((scn = elf_nextscn(elf, scn)) != NULL) {
- if (gelf_getshdr(scn, shdr) == (GElf_Shdr *)0) {
+ if (gelf_getshdr(scn, shdr) == (GElf_Shdr*)0) {
fprintf(stderr, "failed to read section header: %s\n", elf_errmsg(0));
return false;
}
- const char *section_name = elf_strptr(elf, shstrndx, shdr->sh_name);
+ const char* section_name = elf_strptr(elf, shstrndx, shdr->sh_name);
if (!section_name) {
fprintf(stderr, "Section name error: %s\n", elf_errmsg(-1));
continue;
@@ -245,10 +245,10 @@ static bool FindSectionByName(Elf *elf, const char *name,
// The parameter size is used for FPO-optimized code, and
// this is all tied up with the debugging data for Windows x86.
// Set it to 0 on Solaris.
-int LoadStackParamSize(struct slist *list,
- struct slist *list_end,
- struct FuncInfo *func_info) {
- struct slist *cur_list = list;
+int LoadStackParamSize(struct slist* list,
+ struct slist* list_end,
+ struct FuncInfo* func_info) {
+ struct slist* cur_list = list;
int step = 1;
while (cur_list < list_end && cur_list->n_type == N_PSYM) {
++cur_list;
@@ -259,10 +259,10 @@ int LoadStackParamSize(struct slist *list,
return step;
}
-int LoadLineInfo(struct slist *list,
- struct slist *list_end,
- struct FuncInfo *func_info) {
- struct slist *cur_list = list;
+int LoadLineInfo(struct slist* list,
+ struct slist* list_end,
+ struct FuncInfo* func_info) {
+ struct slist* cur_list = list;
do {
// Skip non line information.
while (cur_list < list_end && cur_list->n_type != N_SLINE) {
@@ -288,12 +288,12 @@ int LoadLineInfo(struct slist *list,
return cur_list - list;
}
-int LoadFuncSymbols(struct slist *list,
- struct slist *list_end,
- char *stabstr,
+int LoadFuncSymbols(struct slist* list,
+ struct slist* list_end,
+ char* stabstr,
GElf_Word base,
- struct SourceFileInfo *source_file_info) {
- struct slist *cur_list = list;
+ struct SourceFileInfo* source_file_info) {
+ struct slist* cur_list = list;
assert(cur_list->n_type == N_SO);
++cur_list;
@@ -342,17 +342,17 @@ int LoadFuncSymbols(struct slist *list,
}
// Compute size and rva information based on symbols loaded from stab section.
-bool ComputeSizeAndRVA(struct SymbolInfo *symbols) {
- std::vector<struct SourceFileInfo> *sorted_files =
+bool ComputeSizeAndRVA(struct SymbolInfo* symbols) {
+ std::vector<struct SourceFileInfo>* sorted_files =
&(symbols->source_file_info);
- SymbolMap *symbol_entries = &(symbols->symbol_entries);
+ SymbolMap* symbol_entries = &(symbols->symbol_entries);
for (size_t i = 0; i < sorted_files->size(); ++i) {
- struct SourceFileInfo &source_file = (*sorted_files)[i];
- std::vector<struct FuncInfo> *sorted_functions = &(source_file.func_info);
+ struct SourceFileInfo& source_file = (*sorted_files)[i];
+ std::vector<struct FuncInfo>* sorted_functions = &(source_file.func_info);
int func_size = sorted_functions->size();
for (size_t j = 0; j < func_size; ++j) {
- struct FuncInfo &func_info = (*sorted_functions)[j];
+ struct FuncInfo& func_info = (*sorted_functions)[j];
int line_count = func_info.line_info.size();
// Discard the ending part of the name.
@@ -373,13 +373,13 @@ bool ComputeSizeAndRVA(struct SymbolInfo *symbols) {
// Compute function and line size.
for (size_t k = 0; k < line_count; ++k) {
- struct LineInfo &line_info = func_info.line_info[k];
+ struct LineInfo& line_info = func_info.line_info[k];
line_info.rva_to_base = line_info.rva_to_func + func_info.rva_to_base;
if (k == line_count - 1) {
line_info.size = func_info.size - line_info.rva_to_func;
} else {
- struct LineInfo &next_line = func_info.line_info[k + 1];
+ struct LineInfo& next_line = func_info.line_info[k + 1];
line_info.size = next_line.rva_to_func - line_info.rva_to_func;
}
} // for each line.
@@ -392,24 +392,23 @@ bool ComputeSizeAndRVA(struct SymbolInfo *symbols) {
return true;
}
-bool LoadAllSymbols(const GElf_Shdr *stab_section,
- const GElf_Shdr *stabstr_section,
+bool LoadAllSymbols(const GElf_Shdr* stab_section,
+ const GElf_Shdr* stabstr_section,
GElf_Word base,
- struct SymbolInfo *symbols) {
+ struct SymbolInfo* symbols) {
if (stab_section == NULL || stabstr_section == NULL)
return false;
- char *stabstr =
- reinterpret_cast<char *>(stabstr_section->sh_offset + base);
- struct slist *lists =
- reinterpret_cast<struct slist *>(stab_section->sh_offset + base);
+ char* stabstr = reinterpret_cast<char*>(stabstr_section->sh_offset + base);
+ struct slist* lists =
+ reinterpret_cast<struct slist*>(stab_section->sh_offset + base);
int nstab = stab_section->sh_size / sizeof(struct slist);
int source_id = 0;
// First pass, load all symbols from the object file.
for (int i = 0; i < nstab; ) {
int step = 1;
- struct slist *cur_list = lists + i;
+ struct slist* cur_list = lists + i;
if (cur_list->n_type == N_SO) {
// FUNC <address> <size> <param_stack_size> <function>
struct SourceFileInfo source_file_info;
@@ -431,12 +430,12 @@ bool LoadAllSymbols(const GElf_Shdr *stab_section,
return ComputeSizeAndRVA(symbols);
}
-bool LoadSymbols(Elf *elf, GElf_Ehdr *elf_header, struct SymbolInfo *symbols,
- void *obj_base) {
+bool LoadSymbols(Elf* elf, GElf_Ehdr* elf_header, struct SymbolInfo* symbols,
+ void* obj_base) {
GElf_Word base = reinterpret_cast<GElf_Word>(obj_base);
- const GElf_Shdr *sections =
- reinterpret_cast<GElf_Shdr *>(elf_header->e_shoff + base);
+ const GElf_Shdr* sections =
+ reinterpret_cast<GElf_Shdr*>(elf_header->e_shoff + base);
GElf_Shdr stab_section;
if (!FindSectionByName(elf, kStabName, elf_header->e_shstrndx,
&stab_section)) {
@@ -462,11 +461,11 @@ bool LoadSymbols(Elf *elf, GElf_Ehdr *elf_header, struct SymbolInfo *symbols,
return false;
}
- Elf_Sym *symbol = (Elf_Sym *)((char *)base + symtab_section.sh_offset);
+ Elf_Sym* symbol = (Elf_Sym*)((char*)base + symtab_section.sh_offset);
for (int i = 0; i < symtab_section.sh_size/symtab_section.sh_entsize; ++i) {
- struct SymbolEntry *symbol_entry =
- (struct SymbolEntry *)malloc(sizeof(struct SymbolEntry));
- const char *name = reinterpret_cast<char *>(
+ struct SymbolEntry* symbol_entry =
+ (struct SymbolEntry*)malloc(sizeof(struct SymbolEntry));
+ const char* name = reinterpret_cast<char*>(
strtab_section.sh_offset + (GElf_Word)base + symbol->st_name);
symbol_entry->offset = symbol->st_value;
symbol_entry->size = symbol->st_size;
@@ -479,8 +478,8 @@ bool LoadSymbols(Elf *elf, GElf_Ehdr *elf_header, struct SymbolInfo *symbols,
return LoadAllSymbols(&stab_section, &stabstr_section, base, symbols);
}
-bool WriteModuleInfo(int fd, GElf_Half arch, const std::string &obj_file) {
- const char *arch_name = NULL;
+bool WriteModuleInfo(int fd, GElf_Half arch, const std::string& obj_file) {
+ const char* arch_name = NULL;
if (arch == EM_386)
arch_name = "x86";
else if (arch == EM_X86_64)
@@ -508,10 +507,10 @@ bool WriteModuleInfo(int fd, GElf_Half arch, const std::string &obj_file) {
return false;
}
-bool WriteSourceFileInfo(int fd, const struct SymbolInfo &symbols) {
+bool WriteSourceFileInfo(int fd, const struct SymbolInfo& symbols) {
for (size_t i = 0; i < symbols.source_file_info.size(); ++i) {
if (symbols.source_file_info[i].source_id != -1) {
- const char *name = symbols.source_file_info[i].name;
+ const char* name = symbols.source_file_info[i].name;
if (!WriteFormat(fd, "FILE %d %s\n",
symbols.source_file_info[i].source_id, name))
return false;
@@ -521,7 +520,7 @@ bool WriteSourceFileInfo(int fd, const struct SymbolInfo &symbols) {
}
bool WriteOneFunction(int fd, int source_id,
- const struct FuncInfo &func_info){
+ const struct FuncInfo& func_info){
// Discard the ending part of the name.
std::string func_name(func_info.name);
std::string::size_type last_colon = func_name.find_last_of(':');
@@ -539,7 +538,7 @@ bool WriteOneFunction(int fd, int source_id,
func_info.stack_param_size,
func_name.c_str())) {
for (size_t i = 0; i < func_info.line_info.size(); ++i) {
- const struct LineInfo &line_info = func_info.line_info[i];
+ const struct LineInfo& line_info = func_info.line_info[i];
if (line_info.line_num == 0)
return true;
if (!WriteFormat(fd, "%llx %x %d %d\n",
@@ -554,11 +553,11 @@ bool WriteOneFunction(int fd, int source_id,
return false;
}
-bool WriteFunctionInfo(int fd, const struct SymbolInfo &symbols) {
+bool WriteFunctionInfo(int fd, const struct SymbolInfo& symbols) {
for (size_t i = 0; i < symbols.source_file_info.size(); ++i) {
- const struct SourceFileInfo &file_info = symbols.source_file_info[i];
+ const struct SourceFileInfo& file_info = symbols.source_file_info[i];
for (size_t j = 0; j < file_info.func_info.size(); ++j) {
- const struct FuncInfo &func_info = file_info.func_info[j];
+ const struct FuncInfo& func_info = file_info.func_info[j];
if (!WriteOneFunction(fd, file_info.source_id, func_info))
return false;
}
@@ -566,7 +565,7 @@ bool WriteFunctionInfo(int fd, const struct SymbolInfo &symbols) {
return true;
}
-bool DumpStabSymbols(int fd, const struct SymbolInfo &symbols) {
+bool DumpStabSymbols(int fd, const struct SymbolInfo& symbols) {
return WriteSourceFileInfo(fd, symbols) &&
WriteFunctionInfo(fd, symbols);
}
@@ -604,13 +603,13 @@ class FDWrapper {
//
class MmapWrapper {
public:
- MmapWrapper(void *mapped_address, size_t mapped_size) :
+ MmapWrapper(void* mapped_address, size_t mapped_size) :
base_(mapped_address), size_(mapped_size) {
}
~MmapWrapper() {
if (base_ != NULL) {
assert(size_ > 0);
- munmap((char *)base_, size_);
+ munmap((char*)base_, size_);
}
}
void release() {
@@ -619,7 +618,7 @@ class MmapWrapper {
}
private:
- void *base_;
+ void* base_;
size_t size_;
};
@@ -629,14 +628,14 @@ namespace google_breakpad {
class AutoElfEnder {
public:
- AutoElfEnder(Elf *elf) : elf_(elf) {}
+ AutoElfEnder(Elf* elf) : elf_(elf) {}
~AutoElfEnder() { if (elf_) elf_end(elf_); }
private:
- Elf *elf_;
+ Elf* elf_;
};
-bool DumpSymbols::WriteSymbolFile(const std::string &obj_file, int sym_fd) {
+bool DumpSymbols::WriteSymbolFile(const std::string& obj_file, int sym_fd) {
if (elf_version(EV_CURRENT) == EV_NONE) {
fprintf(stderr, "elf_version() failed: %s\n", elf_errmsg(0));
return false;
@@ -649,16 +648,16 @@ bool DumpSymbols::WriteSymbolFile(const std::string &obj_file, int sym_fd) {
struct stat st;
if (fstat(obj_fd, &st) != 0 && st.st_size <= 0)
return false;
- void *obj_base = mmap(NULL, st.st_size,
+ void* obj_base = mmap(NULL, st.st_size,
PROT_READ, MAP_PRIVATE, obj_fd, 0);
if (obj_base == MAP_FAILED)
return false;
MmapWrapper map_wrapper(obj_base, st.st_size);
GElf_Ehdr elf_header;
- Elf *elf = elf_begin(obj_fd, ELF_C_READ, NULL);
+ Elf* elf = elf_begin(obj_fd, ELF_C_READ, NULL);
AutoElfEnder elfEnder(elf);
- if (gelf_getehdr(elf, &elf_header) == (GElf_Ehdr *)NULL) {
+ if (gelf_getehdr(elf, &elf_header) == (GElf_Ehdr*)NULL) {
fprintf(stderr, "failed to read elf header: %s\n", elf_errmsg(-1));
return false;
}
generated by cgit v1.2.1 (git 2.18.0) at 2024-05-02 20:23:56 +0000