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Add dontthrow attribute to most libc functions

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This will help C++ code that uses exceptions to be tinier. For example,
this change shaves away 1000 lines of assembly code from LLVM's libcxx,
which is 0.7% of all assembly instructions in the entire library.
This commit is contained in:
Justine Tunney 2024-01-09 01:26:03 -08:00
parent cb19e172da
commit eeb20775d2
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GPG key ID: BE714B4575D6E328
103 changed files with 1455 additions and 1456 deletions
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20
libc/calls/struct/cpuset.h
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@ -9,33 +9,33 @@ typedef struct cpu_set_t {
uint64_t __bits[16];
} cpu_set_t;
int sched_getcpu(void);
int sched_getaffinity(int, size_t, cpu_set_t *);
int sched_setaffinity(int, size_t, const cpu_set_t *);
int sched_getcpu(void) libcesque;
int sched_getaffinity(int, size_t, cpu_set_t *) libcesque;
int sched_setaffinity(int, size_t, const cpu_set_t *) libcesque;
#define CPU_SET(i, s) ((s)->__bits[(i) / 64] |= 1ull << ((i) % 64))
#define CPU_CLR(i, s) ((s)->__bits[(i) / 64] &= ~(1ull << ((i) % 64)))
#define CPU_ISSET(i, s) (!!((s)->__bits[(i) / 64] & (1ull << ((i) % 64))))
void CPU_ZERO(cpu_set_t *);
void CPU_ZERO(cpu_set_t *) libcesque;
#define CPU_ZERO(x) CPU_ZERO(x)
int CPU_COUNT(cpu_set_t *);
int CPU_COUNT(cpu_set_t *) libcesque;
#define CPU_COUNT(x) CPU_COUNT(x)
int CPU_EQUAL(cpu_set_t *, cpu_set_t *);
int CPU_EQUAL(cpu_set_t *, cpu_set_t *) libcesque;
#define CPU_EQUAL(x, y) CPU_EQUAL(x, y)
void CPU_AND(cpu_set_t *, cpu_set_t *, cpu_set_t *);
void CPU_AND(cpu_set_t *, cpu_set_t *, cpu_set_t *) libcesque;
#define CPU_AND(x, y, z) CPU_AND(x, y, z)
void CPU_OR(cpu_set_t *, cpu_set_t *, cpu_set_t *);
void CPU_OR(cpu_set_t *, cpu_set_t *, cpu_set_t *) libcesque;
#define CPU_OR(x, y, z) CPU_OR(x, y, z)
void CPU_XOR(cpu_set_t *, cpu_set_t *, cpu_set_t *);
void CPU_XOR(cpu_set_t *, cpu_set_t *, cpu_set_t *) libcesque;
#define CPU_XOR(x, y, z) CPU_XOR(x, y, z)
int CPU_COUNT_S(size_t, const cpu_set_t *);
int CPU_COUNT_S(size_t, const cpu_set_t *) libcesque;
#define CPU_COUNT_S(x, y) CPU_COUNT_S(x, y)
#define CPU_ALLOC_SIZE(n) \