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Add chibicc

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This program popped up on Hacker News recently. It's the only modern
compiler I've ever seen that doesn't have dependencies and is easily
modified. So I added all of the missing GNU extensions I like to use
which means it might be possible soon to build on non-Linux and have
third party not vendor gcc binaries.
This commit is contained in:
Justine Tunney 2020-12-05 12:20:41 -08:00
parent e44a0cf6f8
commit 8da931a7f6
298 changed files with 19493 additions and 11950 deletions
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4
ape/lib/pc.h
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@ -197,7 +197,7 @@ struct IdtDescriptor {
struct thatispacked PageTable {
uint64_t p[512];
} aligned(PAGESIZE);
} forcealign(PAGESIZE);
extern struct PageTable g_pml4t;
extern struct GlobalDescriptorTable gdt;
@ -211,7 +211,7 @@ extern struct SmapEntry e820map_xlm[XLM_E820_SIZE / sizeof(struct SmapEntry)];
extern uint64_t g_ptsp;
extern uint64_t g_ptsp_xlm;
void bootdr(char drive) noreturn;
void bootdr(char drive) wontreturn;
void smapsort(struct SmapEntry *);
uint64_t *__getpagetableentry(int64_t, unsigned, struct PageTable *,