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Improve redbean plus code size optimizations

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This change turns symbol table compression back on using Puff, which
noticeably reduces the size of programs like redbean and Python. The
redbean web server receives some minor API additions for controlling
things like SSL in addition to filling gaps in the documentation.
This commit is contained in:
Justine Tunney 2022-05-29 08:14:55 -07:00
parent 425ff5dff0
commit 13ee75150c
58 changed files with 2077 additions and 589 deletions
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24
libc/runtime/mmap.c
View file

@ -176,14 +176,14 @@ static noasan void *MapMemory(void *addr, size_t size, int prot, int flags,
int fd, int64_t off, int f, int x, int n) {
struct DirectMap dm;
dm = sys_mmap(addr, size, prot, f, fd, off);
if (UNLIKELY(dm.addr == MAP_FAILED)) {
if (VERY_UNLIKELY(dm.addr == MAP_FAILED)) {
if (IsWindows() && (flags & MAP_FIXED)) {
OnUnrecoverableMmapError(
"can't recover from MAP_FIXED errors on Windows");
}
return MAP_FAILED;
}
if (UNLIKELY(dm.addr != addr)) {
if (VERY_UNLIKELY(dm.addr != addr)) {
OnUnrecoverableMmapError("KERNEL DIDN'T RESPECT MAP_FIXED");
}
return FinishMemory(addr, size, prot, flags, fd, off, f, x, n, dm);
@ -248,42 +248,42 @@ static noasan inline void *Mmap(void *addr, size_t size, int prot, int flags,
bool needguard, clashes;
size_t virtualused, virtualneed;
if (UNLIKELY(!size)) {
if (VERY_UNLIKELY(!size)) {
STRACE("size=0");
return VIP(einval());
}
if (UNLIKELY(!IsLegalPointer(p))) {
if (VERY_UNLIKELY(!IsLegalPointer(p))) {
STRACE("p isn't 48-bit");
return VIP(einval());
}
if (UNLIKELY(!ALIGNED(p))) {
if (VERY_UNLIKELY(!ALIGNED(p))) {
STRACE("p isn't 64kb aligned");
return VIP(einval());
}
if (UNLIKELY(fd < -1)) {
if (VERY_UNLIKELY(fd < -1)) {
STRACE("mmap(%.12p, %'zu, fd=%d) EBADF", p, size, fd);
return VIP(ebadf());
}
if (UNLIKELY(!((fd != -1) ^ !!(flags & MAP_ANONYMOUS)))) {
if (VERY_UNLIKELY(!((fd != -1) ^ !!(flags & MAP_ANONYMOUS)))) {
STRACE("fd anonymous mismatch");
return VIP(einval());
}
if (UNLIKELY(!(!!(flags & MAP_PRIVATE) ^ !!(flags & MAP_SHARED)))) {
if (VERY_UNLIKELY(!(!!(flags & MAP_PRIVATE) ^ !!(flags & MAP_SHARED)))) {
STRACE("MAP_SHARED ^ MAP_PRIVATE");
return VIP(einval());
}
if (UNLIKELY(off < 0)) {
if (VERY_UNLIKELY(off < 0)) {
STRACE("neg off");
return VIP(einval());
}
if (UNLIKELY(!ALIGNED(off))) {
if (VERY_UNLIKELY(!ALIGNED(off))) {
STRACE("p isn't 64kb aligned");
return VIP(einval());
}
@ -298,12 +298,12 @@ static noasan inline void *Mmap(void *addr, size_t size, int prot, int flags,
return VIP(einval());
}
if (UNLIKELY(!IsLegalSize(size))) {
if (VERY_UNLIKELY(!IsLegalSize(size))) {
STRACE("size isn't 48-bit");
return VIP(einval());
}
if (UNLIKELY(INT64_MAX - size < off)) {
if (VERY_UNLIKELY(INT64_MAX - size < off)) {
STRACE("too large");
return VIP(einval());
}