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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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26
libc/mem/realloc_in_place.S
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@ -23,12 +23,12 @@
/ Resizes the space allocated for p to size n, only if this can be
/ done without moving p (i.e., only if there is adjacent space
/ available if n is greater than p's current allocated size, or n is
/ less than or equal to p's size). This may be used instead of plain
/ realloc if an alternative allocation strategy is needed upon failure
/ to expand space, for example, reallocation of a buffer that must be
/ memory-aligned or cleared. You can use realloc_in_place to trigger
/ these alternatives only when needed.
/ available if n is greater than p's current allocated size, or n
/ is less than or equal to p's size). This may be used instead of
/ plain realloc if an alternative allocation strategy is needed
/ upon failure to expand space, for example, reallocation of a
/ buffer that must be memory-aligned or cleared. You can use
/ realloc_in_place to trigger these alternatives only when needed.
/
/ @param rdi (p) is address of current allocation
/ @param rsi (newsize) is number of bytes needed
@ -37,17 +37,3 @@
realloc_in_place:
jmp *hook$realloc_in_place(%rip)
.endfn realloc_in_place,globl
.initbss 800,_init_realloc_in_place
hook$realloc_in_place:
.quad 0
.endobj hook$realloc_in_place,globl,hidden
.previous
.init.start 800,_init_realloc_in_place
.hidden dlrealloc_in_place
ezlea dlrealloc_in_place,ax
stosq
.init.end 800,_init_realloc_in_place
yoink free