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Remove the dead corkscrew header files too.

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Change-Id: I0dd5cf3966994db19d98f60805211ed39099465a
This commit is contained in:
Elliott Hughes 2014-05-07 09:38:04 -07:00
parent 2c55b454c7
commit ddbdae8c3f
5 changed files with 0 additions and 424 deletions
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115
include/corkscrew/backtrace.h
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@ -1,115 +0,0 @@
/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* A stack unwinder. */
#ifndef _CORKSCREW_BACKTRACE_H
#define _CORKSCREW_BACKTRACE_H
#ifdef __cplusplus
extern "C" {
#endif
#include <sys/types.h>
#include <corkscrew/ptrace.h>
#include <corkscrew/map_info.h>
#include <corkscrew/symbol_table.h>
/*
* Describes a single frame of a backtrace.
*/
typedef struct {
uintptr_t absolute_pc; /* absolute PC offset */
uintptr_t stack_top; /* top of stack for this frame */
size_t stack_size; /* size of this stack frame */
} backtrace_frame_t;
/*
* Describes the symbols associated with a backtrace frame.
*/
typedef struct {
uintptr_t relative_pc; /* relative frame PC offset from the start of the library,
or the absolute PC if the library is unknown */
uintptr_t relative_symbol_addr; /* relative offset of the symbol from the start of the
library or 0 if the library is unknown */
char* map_name; /* executable or library name, or NULL if unknown */
char* symbol_name; /* symbol name, or NULL if unknown */
char* demangled_name; /* demangled symbol name, or NULL if unknown */
} backtrace_symbol_t;
/*
* Unwinds the call stack for the current thread of execution.
* Populates the backtrace array with the program counters from the call stack.
* Returns the number of frames collected, or -1 if an error occurred.
*/
ssize_t unwind_backtrace(backtrace_frame_t* backtrace, size_t ignore_depth, size_t max_depth);
/*
* Unwinds the call stack for a thread within this process.
* Populates the backtrace array with the program counters from the call stack.
* Returns the number of frames collected, or -1 if an error occurred.
*
* The task is briefly suspended while the backtrace is being collected.
*/
ssize_t unwind_backtrace_thread(pid_t tid, backtrace_frame_t* backtrace,
size_t ignore_depth, size_t max_depth);
/*
* Unwinds the call stack of a task within a remote process using ptrace().
* Populates the backtrace array with the program counters from the call stack.
* Returns the number of frames collected, or -1 if an error occurred.
*/
ssize_t unwind_backtrace_ptrace(pid_t tid, const ptrace_context_t* context,
backtrace_frame_t* backtrace, size_t ignore_depth, size_t max_depth);
/*
* Gets the symbols for each frame of a backtrace.
* The symbols array must be big enough to hold one symbol record per frame.
* The symbols must later be freed using free_backtrace_symbols.
*/
void get_backtrace_symbols(const backtrace_frame_t* backtrace, size_t frames,
backtrace_symbol_t* backtrace_symbols);
/*
* Gets the symbols for each frame of a backtrace from a remote process.
* The symbols array must be big enough to hold one symbol record per frame.
* The symbols must later be freed using free_backtrace_symbols.
*/
void get_backtrace_symbols_ptrace(const ptrace_context_t* context,
const backtrace_frame_t* backtrace, size_t frames,
backtrace_symbol_t* backtrace_symbols);
/*
* Frees the storage associated with backtrace symbols.
*/
void free_backtrace_symbols(backtrace_symbol_t* backtrace_symbols, size_t frames);
enum {
// A hint for how big to make the line buffer for format_backtrace_line
MAX_BACKTRACE_LINE_LENGTH = 800,
};
/**
* Formats a line from a backtrace as a zero-terminated string into the specified buffer.
*/
void format_backtrace_line(unsigned frameNumber, const backtrace_frame_t* frame,
const backtrace_symbol_t* symbol, char* buffer, size_t bufferSize);
#ifdef __cplusplus
}
#endif
#endif // _CORKSCREW_BACKTRACE_H

42
include/corkscrew/demangle.h
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@ -1,42 +0,0 @@
/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* C++ symbol name demangling. */
#ifndef _CORKSCREW_DEMANGLE_H
#define _CORKSCREW_DEMANGLE_H
#include <sys/types.h>
#include <stdbool.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* Demangles a C++ symbol name.
* If name is NULL or if the name cannot be demangled, returns NULL.
* Otherwise, returns a newly allocated string that contains the demangled name.
*
* The caller must free the returned string using free().
*/
char* demangle_symbol_name(const char* name);
#ifdef __cplusplus
}
#endif
#endif // _CORKSCREW_DEMANGLE_H

74
include/corkscrew/map_info.h
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@ -1,74 +0,0 @@
/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* Process memory map. */
#ifndef _CORKSCREW_MAP_INFO_H
#define _CORKSCREW_MAP_INFO_H
#include <sys/types.h>
#include <stdbool.h>
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef struct map_info {
struct map_info* next;
uintptr_t start;
uintptr_t end;
bool is_readable;
bool is_writable;
bool is_executable;
void* data; // arbitrary data associated with the map by the user, initially NULL
char name[];
} map_info_t;
/* Loads memory map from /proc/<tid>/maps. */
map_info_t* load_map_info_list(pid_t tid);
/* Frees memory map. */
void free_map_info_list(map_info_t* milist);
/* Finds the memory map that contains the specified address. */
const map_info_t* find_map_info(const map_info_t* milist, uintptr_t addr);
/* Returns true if the addr is in a readable map. */
bool is_readable_map(const map_info_t* milist, uintptr_t addr);
/* Returns true if the addr is in a writable map. */
bool is_writable_map(const map_info_t* milist, uintptr_t addr);
/* Returns true if the addr is in an executable map. */
bool is_executable_map(const map_info_t* milist, uintptr_t addr);
/* Acquires a reference to the memory map for this process.
* The result is cached and refreshed automatically.
* Make sure to release the map info when done. */
map_info_t* acquire_my_map_info_list();
/* Releases a reference to the map info for this process that was
* previous acquired using acquire_my_map_info_list(). */
void release_my_map_info_list(map_info_t* milist);
/* Flushes the cached memory map so the next call to
* acquire_my_map_info_list() gets fresh data. */
void flush_my_map_info_list();
#ifdef __cplusplus
}
#endif
#endif // _CORKSCREW_MAP_INFO_H

134
include/corkscrew/ptrace.h
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@ -1,134 +0,0 @@
/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* Useful ptrace() utility functions. */
#ifndef _CORKSCREW_PTRACE_H
#define _CORKSCREW_PTRACE_H
#include <corkscrew/map_info.h>
#include <corkscrew/symbol_table.h>
#include <sys/types.h>
#include <stdbool.h>
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
/* Stores information about a process that is used for several different
* ptrace() based operations. */
typedef struct {
map_info_t* map_info_list;
} ptrace_context_t;
/* Describes how to access memory from a process. */
typedef struct {
pid_t tid;
const map_info_t* map_info_list;
} memory_t;
#if __i386__
/* ptrace() register context. */
typedef struct pt_regs_x86 {
uint32_t ebx;
uint32_t ecx;
uint32_t edx;
uint32_t esi;
uint32_t edi;
uint32_t ebp;
uint32_t eax;
uint32_t xds;
uint32_t xes;
uint32_t xfs;
uint32_t xgs;
uint32_t orig_eax;
uint32_t eip;
uint32_t xcs;
uint32_t eflags;
uint32_t esp;
uint32_t xss;
} pt_regs_x86_t;
#endif
#if __mips__
/* ptrace() GET_REGS context. */
typedef struct pt_regs_mips {
uint64_t regs[32];
uint64_t lo;
uint64_t hi;
uint64_t cp0_epc;
uint64_t cp0_badvaddr;
uint64_t cp0_status;
uint64_t cp0_cause;
} pt_regs_mips_t;
#endif
/*
* Initializes a memory structure for accessing memory from this process.
*/
void init_memory(memory_t* memory, const map_info_t* map_info_list);
/*
* Initializes a memory structure for accessing memory from another process
* using ptrace().
*/
void init_memory_ptrace(memory_t* memory, pid_t tid);
/*
* Reads a word of memory safely.
* If the memory is local, ensures that the address is readable before dereferencing it.
* Returns false and a value of 0xffffffff if the word could not be read.
*/
bool try_get_word(const memory_t* memory, uintptr_t ptr, uint32_t* out_value);
/*
* Reads a word of memory safely using ptrace().
* Returns false and a value of 0xffffffff if the word could not be read.
*/
bool try_get_word_ptrace(pid_t tid, uintptr_t ptr, uint32_t* out_value);
/*
* Loads information needed for examining a remote process using ptrace().
* The caller must already have successfully attached to the process
* using ptrace().
*
* The context can be used for any threads belonging to that process
* assuming ptrace() is attached to them before performing the actual
* unwinding. The context can continue to be used to decode backtraces
* even after ptrace() has been detached from the process.
*/
ptrace_context_t* load_ptrace_context(pid_t pid);
/*
* Frees a ptrace context.
*/
void free_ptrace_context(ptrace_context_t* context);
/*
* Finds a symbol using ptrace.
* Returns the containing map and information about the symbol, or
* NULL if one or the other is not available.
*/
void find_symbol_ptrace(const ptrace_context_t* context,
uintptr_t addr, const map_info_t** out_map_info, const symbol_t** out_symbol);
#ifdef __cplusplus
}
#endif
#endif // _CORKSCREW_PTRACE_H

59
include/corkscrew/symbol_table.h
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@ -1,59 +0,0 @@
/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _CORKSCREW_SYMBOL_TABLE_H
#define _CORKSCREW_SYMBOL_TABLE_H
#include <stdint.h>
#include <sys/types.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef struct {
uintptr_t start;
uintptr_t end;
char* name;
} symbol_t;
typedef struct {
symbol_t* symbols;
size_t num_symbols;
} symbol_table_t;
/*
* Loads a symbol table from a given file.
* Returns NULL on error.
*/
symbol_table_t* load_symbol_table(const char* filename);
/*
* Frees a symbol table.
*/
void free_symbol_table(symbol_table_t* table);
/*
* Finds a symbol associated with an address in the symbol table.
* Returns NULL if not found.
*/
const symbol_t* find_symbol(const symbol_table_t* table, uintptr_t addr);
#ifdef __cplusplus
}
#endif
#endif // _CORKSCREW_SYMBOL_TABLE_H