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[libunwind][NFC] Typo fixes & comments corrections & code style changes. (#174565)

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willmafh 2026-01-24 21:45:50 +08:00 committed by GitHub
parent 3ee9aae6f9
commit 0653e079c2
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10 changed files with 18 additions and 18 deletions
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2
libunwind/include/libunwind.h
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@ -122,7 +122,7 @@
__unwind_ptrauth_restricted_intptr(ptrauth_key_function_pointer, 1, \
__ptrauth_unwind_cie_info_personality_disc)
// ptrauth_string_discriminator("personality") == 0x7EAD)
// ptrauth_string_discriminator("personality") == 0x7EAD
#define __ptrauth_unwind_pauthtest_personality_disc 0x7EAD
#else

2
libunwind/include/mach-o/compact_unwind_encoding.h
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@ -443,7 +443,7 @@ struct unwind_info_section_header_lsda_index_entry
struct unwind_info_regular_second_level_entry
{
uint32_t functionOffset;
uint32_t functionOffset;
compact_unwind_encoding_t encoding;
};

2
libunwind/include/unwind_itanium.h
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@ -32,7 +32,7 @@ struct _Unwind_Exception {
// The implementation of _Unwind_Exception uses an attribute mode on the
// above fields which has the side effect of causing this whole struct to
// round up to 32 bytes in size (48 with SEH). To be more explicit, we add
// pad fields added for binary compatibility.
// pad fields for binary compatibility.
uint32_t reserved[3];
#endif
// The Itanium ABI requires that _Unwind_Exception objects are "double-word

2
libunwind/src/FrameHeaderCache.hpp
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@ -24,7 +24,7 @@
#define _LIBUNWIND_FRAMEHEADERCACHE_TRACE(msg, ...)
#endif
// This cache should only be be used from within a dl_iterate_phdr callback.
// This cache should only be used from within a dl_iterate_phdr callback.
// dl_iterate_phdr does the necessary synchronization to prevent problems
// with concurrent access via the libc load lock. Adding synchronization
// for other uses is possible, but not currently done.

10
libunwind/src/Registers.hpp
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@ -1893,7 +1893,7 @@ public:
uint64_t value = _registers.__pc;
#if defined(_LIBUNWIND_TARGET_AARCH64_AUTHENTICATED_UNWINDING)
// Note the value of the PC was signed to its address in the register state
// but everyone else expects it to be sign by the SP, so convert on return.
// but everyone else expects it to be signed by the SP, so convert on return.
value = (uint64_t)ptrauth_auth_and_resign((void *)_registers.__pc,
ptrauth_key_return_address,
&_registers.__pc,
@ -3715,21 +3715,21 @@ inline void Registers_sparc::setRegister(int regNum, uint32_t value) {
inline bool Registers_sparc::validFloatRegister(int) const { return false; }
inline double Registers_sparc::getFloatRegister(int) const {
_LIBUNWIND_ABORT("no Sparc float registers");
_LIBUNWIND_ABORT("no sparc float registers");
}
inline void Registers_sparc::setFloatRegister(int, double) {
_LIBUNWIND_ABORT("no Sparc float registers");
_LIBUNWIND_ABORT("no sparc float registers");
}
inline bool Registers_sparc::validVectorRegister(int) const { return false; }
inline v128 Registers_sparc::getVectorRegister(int) const {
_LIBUNWIND_ABORT("no Sparc vector registers");
_LIBUNWIND_ABORT("no sparc vector registers");
}
inline void Registers_sparc::setVectorRegister(int, v128) {
_LIBUNWIND_ABORT("no Sparc vector registers");
_LIBUNWIND_ABORT("no sparc vector registers");
}
inline const char *Registers_sparc::getRegisterName(int regNum) {

6
libunwind/src/UnwindCursor.hpp
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@ -963,7 +963,7 @@ template <typename A, typename R> bool UnwindCursor<A, R>::isSignalFrame() {
/// UnwindCursor contains all state (including all register values) during
/// an unwind. This is normally stack allocated inside a unw_cursor_t.
template <typename A, typename R>
class UnwindCursor : public AbstractUnwindCursor{
class UnwindCursor : public AbstractUnwindCursor {
typedef typename A::pint_t pint_t;
public:
UnwindCursor(unw_context_t *context, A &as);
@ -2037,7 +2037,7 @@ bool UnwindCursor<A, R>::getInfoFromCompactEncodingSection(
if (personalityIndex != 0) {
--personalityIndex; // change 1-based to zero-based index
if (personalityIndex >= sectionHeader.personalityArrayCount()) {
_LIBUNWIND_DEBUG_LOG("found encoding 0x%08X with personality index %d, "
_LIBUNWIND_DEBUG_LOG("found encoding 0x%08X with personality index %d, "
"but personality table has only %d entries",
encoding, personalityIndex,
sectionHeader.personalityArrayCount());
@ -3256,7 +3256,7 @@ int UnwindCursor<A, R>::stepThroughSigReturn() {
template <typename A, typename R> int UnwindCursor<A, R>::step(bool stage2) {
(void)stage2;
// Bottom of stack is defined is when unwind info cannot be found.
// Bottom of stack is defined when unwind info cannot be found.
if (_unwindInfoMissing)
return UNW_STEP_END;

2
libunwind/src/UnwindLevel1-gcc-ext.c
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@ -284,7 +284,7 @@ _LIBUNWIND_EXPORT void __deregister_frame(const void *fde) {
// before 10.6 used keymgr to track known FDEs, but these functions
// never got updated to use keymgr.
// For now, we implement these as do-nothing functions to keep any existing
// applications working. We also add the not in 10.6 symbol so that nwe
// applications working. We also add the not in 10.6 symbol so that new
// application won't be able to use them.
#if defined(_LIBUNWIND_SUPPORT_FRAME_APIS)

2
libunwind/src/UnwindLevel1.c
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@ -14,7 +14,7 @@
// ARM EHABI does not specify _Unwind_{Get,Set}{GR,IP}(). Thus, we are
// defining inline functions to delegate the function calls to
// _Unwind_VRS_{Get,Set}(). However, some applications might declare the
// function protetype directly (instead of including <unwind.h>), thus we need
// function prototype directly (instead of including <unwind.h>), thus we need
// to export these functions from libunwind.so as well.
#define _LIBUNWIND_UNWIND_LEVEL1_EXTERNAL_LINKAGE 1

4
libunwind/src/libunwind.cpp
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@ -32,7 +32,7 @@
using namespace libunwind;
/// internal object to represent this processes address space
/// internal object to represent this process's address space
LocalAddressSpace LocalAddressSpace::sThisAddressSpace;
_LIBUNWIND_EXPORT unw_addr_space_t unw_local_addr_space =
@ -306,7 +306,7 @@ _LIBUNWIND_HIDDEN int __unw_is_fpreg(unw_cursor_t *cursor,
}
_LIBUNWIND_WEAK_ALIAS(__unw_is_fpreg, unw_is_fpreg)
/// Checks if a register is a floating-point register.
/// Get name of specified register at cursor position in stack frame.
_LIBUNWIND_HIDDEN const char *__unw_regname(unw_cursor_t *cursor,
unw_regnum_t regNum) {
_LIBUNWIND_TRACE_API("__unw_regname(cursor=%p, regNum=%d)",

4
libunwind/src/libunwind_ext.h
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@ -120,10 +120,10 @@ typedef int (*unw_find_dynamic_unwind_sections)(
extern int __unw_add_find_dynamic_unwind_sections(
unw_find_dynamic_unwind_sections find_dynamic_unwind_sections);
// Deregister a dynacim unwind-info lookup callback.
// Deregister a dynamic unwind-info lookup callback.
//
// Returns UNW_ESUCCESS for successful deregistrations. If the given callback
// has already been registered then UNW_EINVAL will be returned.
// is not present then UNW_EINVAL will be returned.
extern int __unw_remove_find_dynamic_unwind_sections(
unw_find_dynamic_unwind_sections find_dynamic_unwind_sections);