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This commit is contained in:
Kasper
2025-03-21 21:24:46 +02:00
parent cf5b6602d5
commit 3c5cd9844d
11 changed files with 696 additions and 749 deletions
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125
src/array/sc_array.h
View File

@@ -33,11 +33,11 @@
#define SC_ARRAY_H
#include <assert.h>
#include <string.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#define SC_ARRAY_VERSION "2.0.0"
@@ -53,31 +53,31 @@
#endif
#define sc_array_def(T, name) \
struct sc_array_##name { \
bool oom; \
size_t cap; \
size_t size; \
/* NOLINTNEXTLINE */ \
T *elems; \
}
struct sc_array_##name { \
bool oom; \
size_t cap; \
size_t size; \
/* NOLINTNEXTLINE */ \
T *elems; \
}
/**
* Init array
* @param a array
*/
#define sc_array_init(a) \
do { \
memset((a), 0, sizeof(*(a))); \
} while (0)
do { \
memset((a), 0, sizeof(*(a))); \
} while (0)
/**
* Destroy array
* @param a array
*/
#define sc_array_term(a) \
do { \
sc_array_free((a)->elems); \
sc_array_init(a); \
} while (0)
do { \
sc_array_free((a)->elems); \
sc_array_init(a); \
} while (0)
/**
* Add elem to array, call sc_array_oom(v) to see if 'add' failed because of out
@@ -87,39 +87,38 @@
* @param k elem
*/
#define sc_array_add(a, k) \
do { \
const size_t _max = SC_ARRAY_MAX / sizeof(*(a)->elems); \
size_t _cap; \
void *_p; \
do { \
const size_t _max = SC_ARRAY_MAX / sizeof(*(a)->elems); \
size_t _cap; \
void *_p; \
\
if ((a)->cap == (a)->size) { \
if ((a)->cap > _max / 2) { \
(a)->oom = true; \
break; \
} \
_cap = (a)->cap == 0 ? 8 : (a)->cap * 2; \
_p = sc_array_realloc((a)->elems, \
_cap * sizeof(*((a)->elems))); \
if (_p == NULL) { \
(a)->oom = true; \
break; \
} \
(a)->cap = _cap; \
(a)->elems = _p; \
} \
(a)->oom = false; \
(a)->elems[(a)->size++] = k; \
} while (0)
if ((a)->cap == (a)->size) { \
if ((a)->cap > _max / 2) { \
(a)->oom = true; \
break; \
} \
_cap = (a)->cap == 0 ? 8 : (a)->cap * 2; \
_p = sc_array_realloc((a)->elems, _cap * sizeof(*((a)->elems))); \
if (_p == NULL) { \
(a)->oom = true; \
break; \
} \
(a)->cap = _cap; \
(a)->elems = _p; \
} \
(a)->oom = false; \
(a)->elems[(a)->size++] = k; \
} while (0)
/**
* Deletes items from the array without deallocating underlying memory
* @param a array
*/
#define sc_array_clear(a) \
do { \
(a)->size = 0; \
(a)->oom = false; \
} while (0)
do { \
(a)->size = 0; \
(a)->oom = false; \
} while (0)
/**
* @param a array
@@ -147,17 +146,17 @@
* @param i element index, If 'i' is out of the range, result is undefined.
*/
#define sc_array_del(a, i) \
do { \
size_t idx = (i); \
assert(idx < (a)->size); \
do { \
size_t idx = (i); \
assert(idx < (a)->size); \
\
const size_t _cnt = (a)->size - (idx) - 1; \
if (_cnt > 0) { \
memmove(&((a)->elems[idx]), &((a)->elems[idx + 1]), \
_cnt * sizeof(*((a)->elems))); \
} \
(a)->size--; \
} while (0)
const size_t _cnt = (a)->size - (idx)-1; \
if (_cnt > 0) { \
memmove(&((a)->elems[idx]), &((a)->elems[idx + 1]), \
_cnt * sizeof(*((a)->elems))); \
} \
(a)->size--; \
} while (0)
/**
* Deletes the element at index i, replaces last element with the deleted
@@ -170,21 +169,21 @@
* @param i index. If 'i' is out of the range, result is undefined.
*/
#define sc_array_del_unordered(a, i) \
do { \
size_t idx = (i); \
assert(idx < (a)->size); \
(a)->elems[idx] = (a)->elems[(--(a)->size)]; \
} while (0)
do { \
size_t idx = (i); \
assert(idx < (a)->size); \
(a)->elems[idx] = (a)->elems[(--(a)->size)]; \
} while (0)
/**
* Deletes the last element. If current size is zero, result is undefined.
* @param a array
*/
#define sc_array_del_last(a) \
do { \
assert((a)->size != 0); \
(a)->size--; \
} while (0)
do { \
assert((a)->size != 0); \
(a)->size--; \
} while (0)
/**
* Sorts the array using qsort()
@@ -192,7 +191,7 @@
* @param cmp comparator, check qsort() documentation for details
*/
#define sc_array_sort(a, cmp) \
(qsort((a)->elems, (a)->size, sizeof(*(a)->elems), cmp))
(qsort((a)->elems, (a)->size, sizeof(*(a)->elems), cmp))
/**
* Returns last element. If array is empty, result is undefined.
@@ -205,8 +204,8 @@
* @param elem elem
*/
#define sc_array_foreach(a, elem) \
for (size_t _k = 1, _i = 0; _k && _i != (a)->size; _k = !_k, _i++) \
for ((elem) = (a)->elems[_i]; _k; _k = !_k)
for (size_t _k = 1, _i = 0; _k && _i != (a)->size; _k = !_k, _i++) \
for ((elem) = (a)->elems[_i]; _k; _k = !_k)
// (type, name)
sc_array_def(int, int);

4
src/auditor/auditor-x86_64.c
View File

@@ -62,7 +62,7 @@ uintptr_t la_symbind64(Elf64_Sym *sym, unsigned int ndx, uintptr_t *refcook,
uintptr_t *defcook, unsigned int *flags,
const char *symname) {
printf("la_symbind64(): symname = %s; sym->st_value = %p\n", symname,
(void*)sym->st_value);
(void *)sym->st_value);
printf(" ndx = %u; flags = %#x", ndx, *flags);
printf("; refcook = %p; defcook = %p\n", refcook, defcook);
@@ -73,7 +73,7 @@ Elf64_Addr la_i86_gnu_pltenter(Elf64_Sym *sym, unsigned int ndx,
uintptr_t *refcook, uintptr_t *defcook,
La_x86_64_regs *regs, unsigned int *flags,
const char *symname, long *framesizep) {
printf("la_x86_64_gnu_pltenter(): %s (%p)\n", symname, (void*)sym->st_value);
printf("la_x86_64_gnu_pltenter(): %s (%p)\n", symname, (void *)sym->st_value);
return sym->st_value;
}

7
src/compilation.h
View File

@@ -2,10 +2,9 @@
#define COMPILATION_H_
typedef struct {
const char *directory;
const char *file;
const char *command;
const char *directory;
const char *file;
const char *command;
} CompileCommand;
#endif // COMPILATION_H_

10
src/memory.c
View File

@@ -14,14 +14,16 @@ HiloadResult memory_find_pointer(uptr ptr,
size_t *index) {
for (size_t i = 0; i < sc_array_size(regions); i++) {
uptr start = regions->elems[i].region_start;
// we assume a sorted region by start address, so we can do a quick discard here.
// very useful for relative vs absolute address checks
if (ptr < start) return HILOAD_FAIL;
// we assume a sorted region by start address, so we can do a quick discard
// here. very useful for relative vs absolute address checks
if (ptr < start)
return HILOAD_FAIL;
uptr end = regions->elems[i].region_end;
if (ptr_in_range(ptr, start, end)) {
if (index)
*index = i;
sc_log_debug("Pointer match (%p) found in index: %u, range: %p - %p\n", ptr, i, start, end);
sc_log_debug("Pointer match (%p) found in index: %u, range: %p - %p\n",
ptr, i, start, end);
return HILOAD_OK;
}
}

11
src/memory.h
View File

@@ -1,9 +1,9 @@
#ifndef MEMORY_H_
#define MEMORY_H_
#include "array.h"
#include "str.h"
#include "types.h"
#include "array.h"
#include <assert.h>
@@ -24,14 +24,15 @@ typedef struct {
const char *pathname;
} MemoryRegion;
sc_array_def(MemoryRegion, memreg);
/* A pointer that can be used to place the memory regions into. Clears regions before use, but uses the same buffer. */
/* A pointer that can be used to place the memory regions into. Clears regions
* before use, but uses the same buffer. */
HiloadResult read_memory_maps_self(struct sc_array_memreg *regions);
/* Return index the pointer is found in */
HiloadResult memory_find_pointer(uptr ptr, struct sc_array_memreg* const regions, size_t *index);
HiloadResult memory_find_pointer(uptr ptr,
struct sc_array_memreg *const regions,
size_t *index);
#endif // MEMORY_H_

1007
src/str.c
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File diff suppressed because it is too large Load Diff

267
src/str.h
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@@ -32,100 +32,108 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#pragma once
#include <stdio.h>
#include <stdbool.h>
#include <stdio.h>
#ifdef __cplusplus
extern "C" {
#endif
// string type ----------------------------------------------------------------------------
typedef struct
{
const char* ptr;
size_t info;
// string type
// ----------------------------------------------------------------------------
typedef struct {
const char *ptr;
size_t info;
} str;
// NULL string
#define str_null ((str){ 0, 0 })
#define str_null ((str){0, 0})
// helper macros
#define str_ref_info(n) ((n) << 1)
#define str_owner_info(n) (str_ref_info(n) | 1)
#define str_ref_info(n) ((n) << 1)
#define str_owner_info(n) (str_ref_info(n) | 1)
// string properties ----------------------------------------------------------------------
// length of the string
static inline
size_t str_len(const str s) { return s.info >> 1; }
// string properties
// ---------------------------------------------------------------------- length
// of the string
static inline size_t str_len(const str s) { return s.info >> 1; }
// pointer to the string
static inline
const char* str_ptr(const str s)
{
extern const char* const str_empty_string;
static inline const char *str_ptr(const str s) {
extern const char *const str_empty_string;
return s.ptr ? s.ptr : str_empty_string;
return s.ptr ? s.ptr : str_empty_string;
}
// end of the string
static inline
const char* str_end(const str s) { return str_ptr(s) + str_len(s); }
static inline const char *str_end(const str s) {
return str_ptr(s) + str_len(s);
}
// test if the string is empty
static inline
bool str_is_empty(const str s) { return str_len(s) == 0; }
static inline bool str_is_empty(const str s) { return str_len(s) == 0; }
// test if the string is allocated on the heap
static inline
bool str_is_owner(const str s) { return (s.info & 1) != 0; }
static inline bool str_is_owner(const str s) { return (s.info & 1) != 0; }
// test if the string is a reference
static inline
bool str_is_ref(const str s) { return !str_is_owner(s); }
static inline bool str_is_ref(const str s) { return !str_is_owner(s); }
// string memory control -------------------------------------------------------------------
// free memory allocated for the string
// string memory control
// ------------------------------------------------------------------- free
// memory allocated for the string
void str_free(const str s);
// automatic cleanup
void str_free_auto(const str* const ps);
void str_free_auto(const str *const ps);
#define str_auto str __attribute__((cleanup(str_free_auto)))
#define str_auto str __attribute__((cleanup(str_free_auto)))
// string movements -----------------------------------------------------------------------
// free target string, then assign the new value to it
static inline
void str_assign(str* const ps, const str s) { str_free(*ps); *ps = s; }
// string movements
// ----------------------------------------------------------------------- free
// target string, then assign the new value to it
static inline void str_assign(str *const ps, const str s) {
str_free(*ps);
*ps = s;
}
// move the string, resetting the source to str_null
static inline
str str_move(str* const ps) { const str t = *ps; *ps = str_null; return t; }
static inline str str_move(str *const ps) {
const str t = *ps;
*ps = str_null;
return t;
}
// pass ownership of the string
static inline
str str_pass(str* const ps) { const str t = *ps; ps->info &= ~(size_t)1; return t; }
static inline str str_pass(str *const ps) {
const str t = *ps;
ps->info &= ~(size_t)1;
return t;
}
// swap two string objects
void str_swap(str* const s1, str* const s2);
void str_swap(str *const s1, str *const s2);
// string helpers --------------------------------------------------------------------------
// string helpers
// --------------------------------------------------------------------------
// reset the string to str_null
static inline
void str_clear(str* const ps) { str_assign(ps, str_null); }
static inline void str_clear(str *const ps) { str_assign(ps, str_null); }
// compare two strings lexicographically
int str_cmp(const str s1, const str s2);
// test if two strings match
static inline
bool str_eq(const str s1, const str s2) { return str_cmp(s1, s2) == 0; }
static inline bool str_eq(const str s1, const str s2) {
return str_cmp(s1, s2) == 0;
}
// case-insensitive comparison
int str_cmp_ci(const str s1, const str s2);
// case-insensitive match
static inline
bool str_eq_ci(const str s1, const str s2) { return str_cmp_ci(s1, s2) == 0; }
static inline bool str_eq_ci(const str s1, const str s2) {
return str_cmp_ci(s1, s2) == 0;
}
// test for prefix
bool str_has_prefix(const str s, const str prefix);
@@ -133,163 +141,174 @@ bool str_has_prefix(const str s, const str prefix);
// test for suffix
bool str_has_suffix(const str s, const str suffix);
// string composition ------------------------------------------------------------------
// string composition
// ------------------------------------------------------------------
// implementation helpers
int str_dup_impl(str* const dest, const str s);
int str_dup_impl(str *const dest, const str s);
int str_cpy_to_fd(const int fd, const str s);
int str_cpy_to_stream(FILE* const stream, const str s);
int str_cpy_to_stream(FILE *const stream, const str s);
// copy string
#define str_cpy(dest, src) \
_Generic((dest), \
#define str_cpy(dest, src) \
_Generic((dest), \
str*: str_dup_impl, \
int: str_cpy_to_fd, \
FILE*: str_cpy_to_stream \
)((dest), (src))
// implementation helpers
int str_cat_range_impl(str* const dest, const str* src, size_t count);
int str_cat_range_to_fd(const int fd, const str* src, size_t count);
int str_cat_range_to_stream(FILE* const stream, const str* src, size_t count);
int str_cat_range_impl(str *const dest, const str *src, size_t count);
int str_cat_range_to_fd(const int fd, const str *src, size_t count);
int str_cat_range_to_stream(FILE *const stream, const str *src, size_t count);
// concatenate range of strings
#define str_cat_range(dest, src, count) \
_Generic((dest), \
#define str_cat_range(dest, src, count) \
_Generic((dest), \
str*: str_cat_range_impl, \
int: str_cat_range_to_fd, \
FILE*: str_cat_range_to_stream \
)((dest), (src), (count))
// concatenate string arguments
#define str_cat(dest, ...) \
({ \
const str args[] = { __VA_ARGS__ }; \
str_cat_range((dest), args, sizeof(args)/sizeof(args[0])); \
})
#define str_cat(dest, ...) \
({ \
const str args[] = {__VA_ARGS__}; \
str_cat_range((dest), args, sizeof(args) / sizeof(args[0])); \
})
// implementation helpers
int str_join_range_impl(str* const dest, const str sep, const str* src, size_t count);
int str_join_range_to_fd(const int fd, const str sep, const str* src, size_t count);
int str_join_range_to_stream(FILE* const stream, const str sep, const str* src, size_t count);
int str_join_range_impl(str *const dest, const str sep, const str *src,
size_t count);
int str_join_range_to_fd(const int fd, const str sep, const str *src,
size_t count);
int str_join_range_to_stream(FILE *const stream, const str sep, const str *src,
size_t count);
// join strings around the separator
#define str_join_range(dest, sep, src, count) \
_Generic((dest), \
#define str_join_range(dest, sep, src, count) \
_Generic((dest), \
str*: str_join_range_impl, \
int: str_join_range_to_fd, \
FILE*: str_join_range_to_stream \
)((dest), (sep), (src), (count))
// join string arguments around the separator
#define str_join(dest, sep, ...) \
({ \
const str args[] = { __VA_ARGS__ }; \
str_join_range((dest), (sep), args, sizeof(args)/sizeof(args[0])); \
})
#define str_join(dest, sep, ...) \
({ \
const str args[] = {__VA_ARGS__}; \
str_join_range((dest), (sep), args, sizeof(args) / sizeof(args[0])); \
})
// constructors ----------------------------------------------------------------------------
// constructors
// ----------------------------------------------------------------------------
// string reference from a string literal
#define str_lit(s) ((str){ "" s, str_ref_info(sizeof(s) - 1) })
#define str_lit(s) ((str){"" s, str_ref_info(sizeof(s) - 1)})
static inline
str str_ref_impl(const str s) { return (str){ s.ptr, s.info & ~(size_t)1 }; }
static inline str str_ref_impl(const str s) {
return (str){s.ptr, s.info & ~(size_t)1};
}
str str_ref_from_ptr(const char* const s);
str str_ref_from_ptr(const char *const s);
// string reference from anything
#define str_ref(s) \
_Generic((s), \
#define str_ref(s) \
_Generic((s), \
str: str_ref_impl, \
char*: str_ref_from_ptr, \
const char*: str_ref_from_ptr \
)(s)
// create a reference to the given range of chars
str str_ref_chars(const char* const s, const size_t n);
str str_ref_chars(const char *const s, const size_t n);
// take ownership of the given range of chars
str str_acquire_chars(const char* const s, const size_t n);
str str_acquire_chars(const char *const s, const size_t n);
// take ownership of the given string
str str_acquire(const char* const s);
str str_acquire(const char *const s);
// string from file
int str_from_file(str* const dest, const char* const file_name);
int str_from_file(str *const dest, const char *const file_name);
// read maximum nread bytes from file, write bytes read. 0 reads until EOS.
int str_from_stream(str* const dest, const char* const file_name, int *nread);
int str_from_stream(str *const dest, const char *const file_name, int *nread);
// searching and sorting --------------------------------------------------------------------
// string partitioning (substring search)
bool str_partition(const str src, const str patt, str* const prefix, str* const suffix);
// searching and sorting
// -------------------------------------------------------------------- string
// partitioning (substring search)
bool str_partition(const str src, const str patt, str *const prefix,
str *const suffix);
// comparison functions
typedef int (*str_cmp_func)(const void*, const void*);
typedef int (*str_cmp_func)(const void *, const void *);
int str_order_asc(const void* const s1, const void* const s2);
int str_order_desc(const void* const s1, const void* const s2);
int str_order_asc_ci(const void* const s1, const void* const s2);
int str_order_desc_ci(const void* const s1, const void* const s2);
int str_order_asc(const void *const s1, const void *const s2);
int str_order_desc(const void *const s1, const void *const s2);
int str_order_asc_ci(const void *const s1, const void *const s2);
int str_order_desc_ci(const void *const s1, const void *const s2);
// sort array of strings
void str_sort_range(const str_cmp_func cmp, str* const array, const size_t count);
void str_sort_range(const str_cmp_func cmp, str *const array,
const size_t count);
// searching
const str* str_search_range(const str key, const str* const array, const size_t count);
const str *str_search_range(const str key, const str *const array,
const size_t count);
// partitioning
size_t str_partition_range(bool (*pred)(const str), str* const array, const size_t count);
size_t str_partition_range(bool (*pred)(const str), str *const array,
const size_t count);
// unique partitioning
size_t str_unique_range(str* const array, const size_t count);
size_t str_unique_range(str *const array, const size_t count);
// UTF-32 codepoint iterator ----------------------------------------------------------------
// UTF-32 codepoint iterator
// ----------------------------------------------------------------
#ifdef __STDC_UTF_32__
#include <uchar.h>
// iterator
#define for_each_codepoint(var, src) \
for_each_cp((var), (src), CAT1(inner_it_, __COUNTER__))
#define for_each_codepoint(var, src) \
for_each_cp((var), (src), CAT1(inner_it_, __COUNTER__))
// iterator error codes
#define CPI_END_OF_STRING ((char32_t)-1)
#define CPI_ERR_INCOMPLETE_SEQ ((char32_t)-2)
#define CPI_ERR_INVALID_ENCODING ((char32_t)-3)
#define CPI_END_OF_STRING ((char32_t)-1)
#define CPI_ERR_INCOMPLETE_SEQ ((char32_t)-2)
#define CPI_ERR_INVALID_ENCODING ((char32_t)-3)
// implementation
#define for_each_cp(var, src, it) \
for(str_cp_iterator it = str_make_cp_iterator(src); (var = str_cp_iterator_next(&it)) <= 0x10FFFFu;)
#define for_each_cp(var, src, it) \
for (str_cp_iterator it = str_make_cp_iterator(src); \
(var = str_cp_iterator_next(&it)) <= 0x10FFFFu;)
#define CAT1(x, y) CAT2(x, y)
#define CAT2(x, y) x ## y
#define CAT1(x, y) CAT2(x, y)
#define CAT2(x, y) x##y
typedef struct
{
const char* curr;
const char* const end;
mbstate_t state;
typedef struct {
const char *curr;
const char *const end;
mbstate_t state;
} str_cp_iterator;
static inline
str_cp_iterator str_make_cp_iterator(const str s)
{
return (str_cp_iterator){ .curr = str_ptr(s), .end = str_end(s) };
static inline str_cp_iterator str_make_cp_iterator(const str s) {
return (str_cp_iterator){.curr = str_ptr(s), .end = str_end(s)};
}
char32_t str_cp_iterator_next(str_cp_iterator* const it);
char32_t str_cp_iterator_next(str_cp_iterator *const it);
#endif // ifdef __STDC_UTF_32__
#endif // ifdef __STDC_UTF_32__
// tokeniser --------------------------------------------------------------------------------
typedef struct
{
unsigned char bits[32]; // 256 / 8
const char *src, *end;
// tokeniser
// --------------------------------------------------------------------------------
typedef struct {
unsigned char bits[32]; // 256 / 8
const char *src, *end;
} str_tok_state;
void str_tok_init(str_tok_state* const state, const str src, const str delim_set);
bool str_tok(str* const dest, str_tok_state* const state);
void str_tok_delim(str_tok_state* const state, const str delim_set);
void str_tok_init(str_tok_state *const state, const str src,
const str delim_set);
bool str_tok(str *const dest, str_tok_state *const state);
void str_tok_delim(str_tok_state *const state, const str delim_set);
#ifdef __cplusplus
}

2
src/symbols.h
View File

@@ -8,7 +8,6 @@
#include <stddef.h>
#include <stdint.h>
typedef struct {
struct sc_array_str names;
struct sc_array_ptr addresses;
@@ -16,7 +15,6 @@ typedef struct {
sc_array_def(SymbolInfos, syms);
struct dl_phdr_info;
struct sc_array_memreg;
HiloadResult hi_create_symbol_info(SymbolInfos *,

2
src/types.h
View File

@@ -1,8 +1,8 @@
#ifndef TYPES_H_
#define TYPES_H_
#include <stdint.h>
#include <stddef.h>
#include <stdint.h>
typedef uint8_t u8;
typedef uint16_t u16;