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Get address sanitizer mostly working

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This commit is contained in:
Justine Tunney 2020-09-03 05:44:37 -07:00
parent 1f1f3cd477
commit 7327c345f9
149 changed files with 3777 additions and 3457 deletions
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4242
libc/nexgen32e/djbsort-avx2.S
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File diff suppressed because it is too large Load diff

3
libc/nexgen32e/gc.h
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@ -1,10 +1,9 @@
#ifndef COSMOPOLITAN_LIBC_NEXGEN32E_GC_H_
#define COSMOPOLITAN_LIBC_NEXGEN32E_GC_H_
#include "libc/nexgen32e/stackframe.h"
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
struct StackFrame;
struct Garbages {
size_t i, n;
struct Garbage {

11
libc/nexgen32e/memcpy.S
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@ -25,9 +25,8 @@
world's most popular function──one all programmers love.
This implementation is the fastest and nearly the tiniest too.
It doesn't clobber general registers. It won't break down on old
computers or misaligned data. It's so easy that even a child
could use it──and they do.
It doesn't break when copying backwards or on misaligned data.
It's so easy that even a child could use it, and they do.
*/
#include "libc/nexgen32e/x86feature.h"
#include "libc/macros.h"
@ -53,11 +52,10 @@ memcpy: mov %rdi,%rax
/ @param rdi is dest
/ @param rsi is src
/ @param rdx is number of bytes
/ @clob flags,xmm3,xmm4
/ @clob flags,rcx,xmm3,xmm4
/ @mode long
.align 16
MemCpy: .leafprologue
push %rcx
mov $.Lmemcpytab.ro.size,%ecx
cmp %rcx,%rdx
cmovb %rdx,%rcx
@ -95,8 +93,7 @@ MemCpy: .leafprologue
mov %rcx,(%rdi)
mov %rbx,-8(%rdi,%rdx)
1: pop %rbx
.L0: pop %rcx
.leafepilogue
.L0: .leafepilogue
.L4: push %rbx
mov (%rsi),%ecx
mov -4(%rsi,%rdx),%ebx

3
libc/nexgen32e/memmove.S
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@ -27,6 +27,7 @@
/ @param rsi is src
/ @param rdx is number of bytes
/ @return original rdi copied to rax
/ @clob flags,rcx
/ @asyncsignalsafe
memmove:
mov %rdi,%rax
@ -36,7 +37,6 @@ memmove:
MemMove:
.leafprologue
.profilable
push %rcx
push %rdi
push %rsi
mov %rdx,%rcx
@ -49,7 +49,6 @@ MemMove:
cld
pop %rsi
pop %rdi
pop %rcx
.leafepilogue
.endfn memmove,globl
.source __FILE__

6
libc/nexgen32e/memset.S
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@ -43,12 +43,11 @@ memset: mov %rdi,%rax
/ @param rdi is dest
/ @param esi is the byte to set
/ @param edx is the number of bytes to set
/ @clob flags,xmm3
/ @clob flags,rcx,xmm3
/ @mode long
MemSet: .leafprologue
.profilable
push %rbx
push %rcx
movd %esi,%xmm3
mov $.Lmemsettab.ro.size,%ecx
cmp %rcx,%rdx
@ -77,8 +76,7 @@ MemSet: .leafprologue
ja 1b
movdqu %xmm3,-16(%rdi,%rdx)
pxor %xmm3,%xmm3
.L0: pop %rcx
pop %rbx
.L0: pop %rbx
.leafepilogue
.L8: movzbq %sil,%rbx
mov $0x0101010101010101,%rcx

13
libc/nexgen32e/stackframe.h Normal file
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@ -0,0 +1,13 @@
#ifndef COSMOPOLITAN_LIBC_NEXGEN32E_STACKFRAME_H_
#define COSMOPOLITAN_LIBC_NEXGEN32E_STACKFRAME_H_
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
struct StackFrame {
struct StackFrame *next;
intptr_t addr;
};
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_NEXGEN32E_STACKFRAME_H_ */