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Fix libunwind stubs

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This commit is contained in:
Justine Tunney 2022-06-26 05:28:55 -07:00
parent 5cd0e876bd
commit 893cc06fc2
2 changed files with 4 additions and 4 deletions
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42
libc/runtime/unwind.h Normal file
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@ -0,0 +1,42 @@
#ifndef COSMOPOLITAN_LIBC_RUNTIME_UNWIND_H_
#define COSMOPOLITAN_LIBC_RUNTIME_UNWIND_H_
#define UNW_TDEP_CURSOR_LEN 127
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
typedef enum {
_URC_NO_REASON = 0,
_URC_FOREIGN_EXCEPTION_CAUGHT = 1,
_URC_FATAL_PHASE2_ERROR = 2,
_URC_FATAL_PHASE1_ERROR = 3,
_URC_NORMAL_STOP = 4,
_URC_END_OF_STACK = 5,
_URC_HANDLER_FOUND = 6,
_URC_INSTALL_CONTEXT = 7,
_URC_CONTINUE_UNWIND = 8
} _Unwind_Reason_Code;
typedef uint64_t unw_word_t;
typedef struct unw_cursor {
unw_word_t opaque[UNW_TDEP_CURSOR_LEN];
} unw_cursor_t;
struct _Unwind_Context {
unw_cursor_t cursor;
int end_of_stack;
};
typedef _Unwind_Reason_Code (*_Unwind_Trace_Fn)(struct _Unwind_Context *,
void *);
uintptr_t _Unwind_GetCFA(struct _Unwind_Context *);
uintptr_t _Unwind_GetIP(struct _Unwind_Context *);
_Unwind_Reason_Code _Unwind_Backtrace(_Unwind_Trace_Fn, void *);
void *_Unwind_FindEnclosingFunction(void *);
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_RUNTIME_UNWIND_H_ */