mirrors/cosmopolitan
1
0
Fork 0
mirror of https://github.com/jart/cosmopolitan.git synced 2025-07-26 12:30:30 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Get address sanitizer mostly working

Browse source
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
Download patch file Download diff file Expand all files Collapse all files

18
libc/str/str.h
View file

@ -440,6 +440,12 @@ char *_strncpy(char *, const char *, size_t) asm("strncpy") memcpyesque;
#define memmove(DEST, SRC, SIZE) __memcpy("MemMove", (DEST), (SRC), (SIZE))
#define mempcpy(DEST, SRC, SIZE) \
({ \
size_t SIze = (SIZE); \
(void *)((char *)memcpy((DEST), (SRC), SIze) + SIze); \
})
#define __memcpy(FN, DEST, SRC, SIZE) \
({ \
void *DeSt = (DEST); \
@ -448,16 +454,10 @@ char *_strncpy(char *, const char *, size_t) asm("strncpy") memcpyesque;
asm("call\t" FN \
: "=m"(*(char(*)[SiZe])(DeSt)) \
: "D"(DeSt), "S"(SrC), "d"(SiZe), "m"(*(const char(*)[SiZe])(SrC)) \
: __STR_XMM_CLOBBER "cc"); \
: __STR_XMM_CLOBBER "rcx", "cc"); \
DeSt; \
})
#define mempcpy(DEST, SRC, SIZE) \
({ \
size_t SIze = (SIZE); \
(void *)((char *)memcpy((DEST), (SRC), SIze) + SIze); \
})
#define __memset(DEST, BYTE, SIZE) \
({ \
void *DeSt = (DEST); \
@ -465,7 +465,7 @@ char *_strncpy(char *, const char *, size_t) asm("strncpy") memcpyesque;
asm("call\tMemSet" \
: "=m"(*(char(*)[SiZe])(DeSt)) \
: "D"(DeSt), "S"(BYTE), "d"(SiZe) \
: __STR_XMM_CLOBBER "cc"); \
: __STR_XMM_CLOBBER "rcx", "cc"); \
DeSt; \
})
@ -506,7 +506,7 @@ char *_strncpy(char *, const char *, size_t) asm("strncpy") memcpyesque;
size_t Rcx; \
asm("rep stosb" \
: "=D"(Rdi), "=c"(Rcx), "=m"(*(char(*)[SiZe])(Dest)) \
: "0"(Dest), "1"(SiZe), "S"(BYTE) \
: "0"(Dest), "1"(SiZe), "a"(BYTE) \
: "cc"); \
Dest; \
})

4
libc/str/str.mk
View file

@ -42,6 +42,10 @@ $(LIBC_STR_A).pkg: \
$(LIBC_STR_A_OBJS) \
$(foreach x,$(LIBC_STR_A_DIRECTDEPS),$($(x)_A).pkg)
o/$(MODE)/libc/str/lz4cpy.o: \
OVERRIDE_CFLAGS += \
$(NO_MAGIC)
LIBC_STR_LIBS = $(foreach x,$(LIBC_STR_ARTIFACTS),$($(x)))
LIBC_STR_SRCS = $(foreach x,$(LIBC_STR_ARTIFACTS),$($(x)_SRCS))
LIBC_STR_HDRS = $(foreach x,$(LIBC_STR_ARTIFACTS),$($(x)_HDRS))