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all: update for clang-tidy-18

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This commit is contained in:
Markus F.X.J. Oberhumer
2024-05-06 05:40:22 +02:00
parent 3e5ba5c064
commit 6fc0a00ac8
10 changed files with 89 additions and 72 deletions
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src/linker.cpp
+46 -56
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@@ -40,16 +40,18 @@ static bool update_capacity(unsigned size, unsigned *capacity) {
return true;
}
static void internal_error(const char *format, ...) attribute_format(1, 2);
static void internal_error(const char *format, ...) {
static char buf[1024];
va_list ap;
template <class T>
static noinline T **realloc_array(T **array, size_t capacity) {
// NOLINTNEXTLINE(bugprone-multi-level-implicit-pointer-conversion)
void *p = realloc(array, mem_size(sizeof(T *), capacity));
return static_cast<T **>(p);
}
va_start(ap, format);
upx_safe_vsnprintf(buf, sizeof(buf), format, ap);
va_end(ap);
throwInternalError(buf);
template <class T>
static noinline void free_array(T **array, size_t count) {
for (size_t i = 0; i < count; i++)
delete array[i];
::free(array); // NOLINT(bugprone-multi-level-implicit-pointer-conversion)
}
/*************************************************************************
@@ -106,17 +108,9 @@ ElfLinker::ElfLinker(const N_BELE_RTP::AbstractPolicy *b) noexcept : bele(b) {}
ElfLinker::~ElfLinker() noexcept {
delete[] input;
delete[] output;
unsigned ic;
for (ic = 0; ic < nsections; ic++)
delete sections[ic];
::free(sections);
for (ic = 0; ic < nsymbols; ic++)
delete symbols[ic];
::free(symbols);
for (ic = 0; ic < nrelocations; ic++)
delete relocations[ic];
::free(relocations);
free_array(sections, nsections);
free_array(symbols, nsymbols);
free_array(relocations, nrelocations);
}
void ElfLinker::init(const void *pdata_v, int plen, unsigned pxtra) {
@@ -302,7 +296,7 @@ ElfLinker::Section *ElfLinker::findSection(const char *name, bool fatal) const {
if (strcmp(sections[ic]->name, name) == 0)
return sections[ic];
if (fatal)
internal_error("unknown section %s\n", name);
throwInternalError("unknown section %s\n", name);
return nullptr;
}
@@ -311,7 +305,7 @@ ElfLinker::Symbol *ElfLinker::findSymbol(const char *name, bool fatal) const {
if (strcmp(symbols[ic]->name, name) == 0)
return symbols[ic];
if (fatal)
internal_error("unknown symbol %s\n", name);
throwInternalError("unknown symbol %s\n", name);
return nullptr;
}
@@ -321,8 +315,7 @@ ElfLinker::Section *ElfLinker::addSection(const char *sname, const void *sdata,
if (!sdata && (!strcmp("ABS*", sname) || !strcmp("UND*", sname)))
return nullptr;
if (update_capacity(nsections, &nsections_capacity))
sections =
static_cast<Section **>(realloc(sections, nsections_capacity * sizeof(Section *)));
sections = realloc_array(sections, nsections_capacity);
assert(sections);
assert(sname);
assert(sname[0]);
@@ -338,7 +331,7 @@ ElfLinker::Symbol *ElfLinker::addSymbol(const char *name, const char *section,
upx_uint64_t offset) {
NO_printf("addSymbol: %s %s 0x%llx\n", name, section, offset);
if (update_capacity(nsymbols, &nsymbols_capacity))
symbols = static_cast<Symbol **>(realloc(symbols, nsymbols_capacity * sizeof(Symbol *)));
symbols = realloc_array(symbols, nsymbols_capacity);
assert(symbols != nullptr);
assert(name);
assert(name[0]);
@@ -352,8 +345,7 @@ ElfLinker::Symbol *ElfLinker::addSymbol(const char *name, const char *section,
ElfLinker::Relocation *ElfLinker::addRelocation(const char *section, unsigned off, const char *type,
const char *symbol, upx_uint64_t add) {
if (update_capacity(nrelocations, &nrelocations_capacity))
relocations = static_cast<Relocation **>(
realloc(relocations, (nrelocations_capacity) * sizeof(Relocation *)));
relocations = realloc_array(relocations, nrelocations_capacity);
assert(relocations != nullptr);
Relocation *rel = new Relocation(findSection(section), off, type, findSymbol(symbol), add);
relocations[nrelocations++] = rel;
@@ -361,9 +353,8 @@ ElfLinker::Relocation *ElfLinker::addRelocation(const char *section, unsigned of
}
#if 0
void ElfLinker::setLoaderAlignOffset(int phase)
{
//assert(phase & 0);
void ElfLinker::setLoaderAlignOffset(int phase) {
// assert(phase & 0);
NO_printf("\nFIXME: ElfLinker::setLoaderAlignOffset %d\n", phase);
}
#endif
@@ -474,10 +465,10 @@ void ElfLinker::relocate() {
value = rel->value->offset;
} else if (strcmp(rel->value->section->name, "*UND*") == 0 &&
rel->value->offset == 0xdeaddead)
internal_error("undefined symbol '%s' referenced\n", rel->value->name);
throwInternalError("undefined symbol '%s' referenced\n", rel->value->name);
else if (rel->value->section->output == nullptr)
internal_error("can not apply reloc '%s:%x' without section '%s'\n", rel->section->name,
rel->offset, rel->value->section->name);
throwInternalError("can not apply reloc '%s:%x' without section '%s'\n",
rel->section->name, rel->offset, rel->value->section->name);
else {
value = rel->value->section->offset + rel->value->offset + rel->add;
}
@@ -495,7 +486,7 @@ void ElfLinker::relocate() {
void ElfLinker::defineSymbol(const char *name, upx_uint64_t value) {
Symbol *symbol = findSymbol(name);
if (strcmp(symbol->section->name, "*ABS*") == 0)
internal_error("defineSymbol: symbol '%s' is *ABS*\n", name);
throwInternalError("defineSymbol: symbol '%s' is *ABS*\n", name);
else if (strcmp(symbol->section->name, "*UND*") == 0) // for undefined symbols
symbol->offset = value;
else if (strcmp(symbol->section->name, name) == 0) // for sections
@@ -506,7 +497,7 @@ void ElfLinker::defineSymbol(const char *name, upx_uint64_t value) {
value += section->size;
}
} else
internal_error("defineSymbol: symbol '%s' already defined\n", name);
throwInternalError("defineSymbol: symbol '%s' already defined\n", name);
}
// debugging support
@@ -553,7 +544,7 @@ void ElfLinker::alignWithByte(unsigned len, byte b) {
}
void ElfLinker::relocate1(const Relocation *rel, byte *, upx_uint64_t, const char *) {
internal_error("unknown relocation type '%s\n'", rel->type);
throwInternalError("unknown relocation type '%s\n'", rel->type);
}
/*************************************************************************
@@ -563,14 +554,13 @@ void ElfLinker::relocate1(const Relocation *rel, byte *, upx_uint64_t, const cha
**************************************************************************/
#if 0 // FIXME
static void check8(const Relocation *rel, const byte *location, int v, int d)
{
static void check8(const Relocation *rel, const byte *location, int v, int d) {
if (v < -128 || v > 127)
internal_error("value out of range (%d) in reloc %s:%x\n",
v, rel->section->name, rel->offset);
throwInternalError("value out of range (%d) in reloc %s:%x\n", v, rel->section->name,
rel->offset);
if (d < -128 || d > 127)
internal_error("displacement target out of range (%d) in reloc %s:%x\n",
v, rel->section->name, rel->offset);
throwInternalError("displacement target out of range (%d) in reloc %s:%x\n", v,
rel->section->name, rel->offset);
}
#endif
@@ -594,8 +584,8 @@ void ElfLinkerAMD64::relocate1(const Relocation *rel, byte *location, upx_uint64
if (strcmp(type, "8") == 0) {
int displ = (upx_int8_t) *location + (int) value;
if (range_check && (displ < -128 || displ > 127))
internal_error("target out of range (%d) in reloc %s:%x\n", displ, rel->section->name,
rel->offset);
throwInternalError("target out of range (%d) in reloc %s:%x\n", displ,
rel->section->name, rel->offset);
*location += value;
} else if (strcmp(type, "16") == 0)
set_le16(location, get_le16(location) + value);
@@ -800,12 +790,12 @@ void ElfLinkerPpc32::relocate1(const Relocation *rel, byte *location, upx_uint64
// Note that original (*location).displ is ignored.
if (strcmp(type, "24") == 0) {
if (3 & value)
internal_error("unaligned word displacement");
throwInternalError("unaligned word displacement");
// FIXME: displacement overflow?
set_be32(location, (0xfc000003 & get_be32(location)) + (0x03fffffc & value));
} else if (strcmp(type, "14") == 0) {
if (3 & value)
internal_error("unaligned word displacement");
throwInternalError("unaligned word displacement");
// FIXME: displacement overflow?
set_be32(location, (0xffff0003 & get_be32(location)) + (0x0000fffc & value));
} else
@@ -837,19 +827,19 @@ void ElfLinkerPpc64le::relocate1(const Relocation *rel, byte *location, upx_uint
if (strncmp(type, "14", 2) == 0) { // for "14" and "14S"
if (3 & value)
internal_error("unaligned word displacement");
throwInternalError("unaligned word displacement");
// FIXME: displacement overflow?
set_le32(location, (0xffff0003 & get_le32(location)) + (0x0000fffc & value));
} else if (strncmp(type, "24", 2) == 0) { // for "24" and "24S"
if (3 & value)
internal_error("unaligned word displacement");
throwInternalError("unaligned word displacement");
// FIXME: displacement overflow?
set_le32(location, (0xfc000003 & get_le32(location)) + (0x03fffffc & value));
} else if (strcmp(type, "8") == 0) {
int displ = (upx_int8_t) *location + (int) value;
if (range_check && (displ < -128 || displ > 127))
internal_error("target out of range (%d) in reloc %s:%x\n", displ, rel->section->name,
rel->offset);
throwInternalError("target out of range (%d) in reloc %s:%x\n", displ,
rel->section->name, rel->offset);
*location += value;
} else if (strcmp(type, "16") == 0)
set_le16(location, get_le16(location) + value);
@@ -887,19 +877,19 @@ void ElfLinkerPpc64::relocate1(const Relocation *rel, byte *location, upx_uint64
if (strncmp(type, "14", 2) == 0) { // for "14" and "14S"
if (3 & value)
internal_error("unaligned word displacement");
throwInternalError("unaligned word displacement");
// FIXME: displacement overflow?
set_be32(location, (0xffff0003 & get_be32(location)) + (0x0000fffc & value));
} else if (strncmp(type, "24", 2) == 0) { // for "24" and "24S"
if (3 & value)
internal_error("unaligned word displacement");
throwInternalError("unaligned word displacement");
// FIXME: displacement overflow?
set_be32(location, (0xfc000003 & get_be32(location)) + (0x03fffffc & value));
} else if (strcmp(type, "8") == 0) {
int displ = (upx_int8_t) *location + (int) value;
if (range_check && (displ < -128 || displ > 127))
internal_error("target out of range (%d) in reloc %s:%x\n", displ, rel->section->name,
rel->offset);
throwInternalError("target out of range (%d) in reloc %s:%x\n", displ,
rel->section->name, rel->offset);
*location += value;
} else if (strcmp(type, "16") == 0)
set_be16(location, get_be16(location) + value);
@@ -927,8 +917,8 @@ void ElfLinkerX86::relocate1(const Relocation *rel, byte *location, upx_uint64_t
if (strcmp(type, "8") == 0) {
int displ = (upx_int8_t) *location + (int) value;
if (range_check && (displ < -128 || displ > 127))
internal_error("target out of range (%d,%d,%llu) in reloc %s:%x\n", displ, *location,
value, rel->section->name, rel->offset);
throwInternalError("target out of range (%d,%d,%llu) in reloc %s:%x\n", displ,
*location, value, rel->section->name, rel->offset);
*location += value;
} else if (strcmp(type, "16") == 0)
set_le16(location, get_le16(location) + value);