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Start working on memory-mapped files.

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First of all, change sys$mmap to take a struct SC_mmap_params since our
sycsall calling convention can't handle more than 3 arguments.

This exposed a bug in Syscall::invoke() needing to use clobber lists.
It was a bit confusing to debug. :^)
This commit is contained in:
Andreas Kling 2018-11-08 11:37:01 +01:00
parent 41a751c90c
commit fdbd9f1e27
14 changed files with 82 additions and 26 deletions
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8
LibC/entry.cpp
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@ -17,21 +17,17 @@ extern "C" void __malloc_init();
extern "C" int _start()
{
__malloc_init();
errno = 0;
memset(__default_streams, 0, sizeof(__default_streams));
__default_streams[0].fd = 0;
stdin = &__default_streams[0];
__default_streams[1].fd = 1;
stdout = &__default_streams[1];
__default_streams[2].fd = 2;
stderr = &__default_streams[2];
__malloc_init();
StringImpl::initializeGlobals();
int status = 254;