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libc+libluna: Move libluna hooks out of libc and into a central place in libluna
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This commit is contained in:
apio 2023-06-03 11:18:52 +02:00
parent ff952cfe16
commit cc72a1655d
Signed by: apio
GPG Key ID: B8A7D06E42258954
5 changed files with 37 additions and 32 deletions
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6
libc/src/stdio.cpp
View File

@ -413,9 +413,3 @@ extern "C"
return f;
}
}
void debug_log_impl(const char* format, va_list ap)
{
vfprintf(stderr, format, ap);
fputc('\n', stderr);
}

14
libc/src/sys/mman.cpp
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@ -18,17 +18,3 @@ extern "C"
__errno_return(rc, int);
}
}
Result<void*> allocate_pages_impl(usize count)
{
long rc = syscall(SYS_mmap, nullptr, count * PAGE_SIZE, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS);
if (rc < 0) { return err((int)-rc); }
return (void*)rc;
}
Result<void> release_pages_impl(void* address, usize count)
{
long rc = syscall(SYS_munmap, address, count * PAGE_SIZE);
if (rc < 0) { return err((int)-rc); }
return {};
}

2
libluna/CMakeLists.txt
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@ -29,8 +29,8 @@ set(FREESTANDING_SOURCES
set(SOURCES
${FREESTANDING_SOURCES}
src/Check.cpp
src/CppABI.cpp
src/ImplPOSIX.cpp
)
add_library(luna-freestanding ${FREESTANDING_SOURCES})

11
libluna/src/Check.cpp
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@ -1,11 +0,0 @@
#include <luna/Attributes.h>
#include <luna/SourceLocation.h>
#include <stdio.h>
#include <stdlib.h>
_weak [[noreturn]] bool __check_failed(SourceLocation location, const char* expr)
{
fprintf(stderr, "Check failed at %s:%d in %s: %s\n", location.file(), location.line(), location.function(), expr);
abort();
}

36
libluna/src/ImplPOSIX.cpp Normal file
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@ -0,0 +1,36 @@
/* POSIX userspace implementation of libluna hooks. */
#include <luna/Attributes.h>
#include <luna/Result.h>
#include <luna/SourceLocation.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/mman.h>
_weak [[noreturn]] bool __check_failed(SourceLocation location, const char* expr)
{
fprintf(stderr, "Check failed at %s:%d in %s: %s\n", location.file(), location.line(), location.function(), expr);
abort();
}
void debug_log_impl(const char* format, va_list ap)
{
vfprintf(stderr, format, ap);
fputc('\n', stderr);
}
Result<void*> allocate_pages_impl(usize count)
{
void* rc = mmap(nullptr, count * PAGE_SIZE, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
if (rc == MAP_FAILED) { return err(errno); }
return rc;
}
Result<void> release_pages_impl(void* address, usize count)
{
int rc = munmap(address, count * PAGE_SIZE);
if (rc < 0) { return err(errno); }
return {};
}