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Fix link order in cosmopolitan.a

Browse source 
It turned out that the linker was doing the wrong with the amalgamation
library concerning weak stubs. A regression test has been added and new
binaries have been uploaded to https://justine.lol/cosmopolitan/

Ideally this should be fixed by building a tool that turns multiple .a
files into a single .a file with deduplication. As a workaround for now
the cosmopolitan.a build is restructured to not include LIBC_STUBS which
meant technical debt needed to be paid off where non-stub interfaces
were moved to LIBC_INTRIN and LIBC_NEXGEN32E.

Thank @PerfectProductions in #31 for the report!
This commit is contained in:
Justine Tunney 2021-01-16 12:05:41 -08:00
parent 04f1d89f84
commit 9f68d6eee9
121 changed files with 302 additions and 381 deletions
Download patch file Download diff file Expand all files Collapse all files

40
libc/stubs/addvdi3.S
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@ -1,40 +0,0 @@
/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│
│vi: set et ft=asm ts=8 tw=8 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/macros.h"
.source __FILE__
.privileged
.alignfunc
/ Returns 𝑥+𝑦, aborting on overflow.
/
/ @param rdi is int64 𝑥
/ @param rsi is int64 𝑦
/ @return rax is 𝑥+𝑦
/ @see -ftrapv
__addvdi3:
mov %rdi,%rax
add %rsi,%rax
jo 1f
ret
1: push %rbp
mov %rsp,%rbp
call __on_arithmetic_overflow
pop %rbp
ret
.endfn __addvdi3,globl

40
libc/stubs/addvsi3.S
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@ -1,40 +0,0 @@
/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│
│vi: set et ft=asm ts=8 tw=8 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/macros.h"
.source __FILE__
.privileged
.alignfunc
/ Returns 𝑥+𝑦, aborting on overflow.
/
/ @param edi is int32 𝑥
/ @param esi is int32 𝑦
/ @return eax is 𝑥+𝑦
/ @see -ftrapv
__addvsi3:
mov %edi,%eax
add %esi,%eax
jo 1f
ret
1: push %rbp
mov %rsp,%rbp
call __on_arithmetic_overflow
pop %rbp
ret
.endfn __addvsi3,globl

42
libc/stubs/addvti3.S
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@ -1,42 +0,0 @@
/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│
│vi: set et ft=asm ts=8 tw=8 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/macros.h"
.source __FILE__
.privileged
.alignfunc
/ Returns 𝑥+𝑦, aborting on overflow.
/
/ @param rdi:rsi is int128 𝑥
/ @param rdx:rcx is int128 𝑦
/ @return rdx:rax is 𝑥+𝑦
/ @see -ftrapv
__addvti3:
mov %rdi,%rax
add %rdx,%rax
mov %rsi,%rdx
adc %rcx,%rdx
jo 1f
ret
1: push %rbp
mov %rsp,%rbp
call __on_arithmetic_overflow
pop %rbp
ret
.endfn __addvti3,globl

36
libc/stubs/errno.S
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@ -1,36 +0,0 @@
/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│
│vi: set et ft=asm ts=8 tw=8 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/macros.h"
.source __FILE__
/ Global variable for last error.
/
/ The system call wrappers update this with WIN32 error codes.
/ Unlike traditional libraries, Cosmopolitan error codes are
/ defined as variables. By convention, system calls and other
/ functions do not update this variable when nothing's broken.
/
/ @see libc/sysv/consts.sh
/ @see libc/sysv/errfuns.h
/ @see __errno_location() stable abi
.bss
.align 4
errno: .long 0
.endobj errno,globl
yoink __errno_location

28
libc/stubs/errnolocation.S
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@ -1,28 +0,0 @@
/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│
│vi: set et ft=asm ts=8 tw=8 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/macros.h"
.source __FILE__
.keep.text # gdb needs it
/ Returns address of errno variable.
/ @note this isn't a universal definition
__errno_location:
ezlea errno,ax
ret
.endfn __errno_location,globl,hidden

31
libc/stubs/fentry.S
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@ -1,31 +0,0 @@
/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│
│vi: set et ft=asm ts=8 tw=8 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/macros.h"
.real
.source __FILE__
.code16 # ∩ .code32 ∩ .code64
/ Function entry hook stub.
/
/ @note cc -pg -mfentry adds this to the start of every function
/ @see libc/log/shadowargs.ncabi.c
/ @mode long,legacy,real
__fentry__:
ret
.endfn __fentry__,weak

27
libc/stubs/mcount.S
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@ -1,27 +0,0 @@
/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│
│vi: set et ft=asm ts=8 tw=8 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/macros.h"
.real
.source __FILE__
.code16 # ∩ .code32 ∩ .code64
/ Function Profiling Hook.
/ cc -pg adds this to the start of global functions.
mcount: ret
.endfn mcount,weak

28
libc/stubs/missingno.S
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@ -1,28 +0,0 @@
/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│
│vi: set et ft=asm ts=8 sw=8 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/macros.h"
.real
.source __FILE__
.code16 # ∩ .code32 ∩ .code64
/ Optional function stub.
missingno:
xor %ax,%ax
ret
.endfn missingno,globl,hidden

40
libc/stubs/mulvdi3.S
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@ -1,40 +0,0 @@
/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│
│vi: set et ft=asm ts=8 tw=8 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/macros.h"
.source __FILE__
.privileged
.alignfunc
/ Returns 𝑥*𝑦, aborting on overflow.
/
/ @param rdi is int64 𝑥
/ @param rdi is int64 𝑦
/ @return rax is 𝑥*𝑦
/ @see -ftrapv
__mulvdi3:
mov %rdi,%rax
imul %rsi
jc 1f
ret
1: push %rbp
mov %rsp,%rbp
call __on_arithmetic_overflow
pop %rbp
ret
.endfn __mulvdi3,globl

40
libc/stubs/mulvsi3.S
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@ -1,40 +0,0 @@
/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│
│vi: set et ft=asm ts=8 tw=8 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/macros.h"
.source __FILE__
.privileged
.alignfunc
/ Returns 𝑥*𝑦, aborting on overflow.
/
/ @param edi is int32 𝑥
/ @param esi is int32 𝑦
/ @return eax is 𝑥*𝑦
/ @see -ftrapv
__mulvsi3:
mov %edi,%eax
imul %esi
jc 1f
ret
1: push %rbp
mov %rsp,%rbp
call __on_arithmetic_overflow
pop %rbp
ret
.endfn __mulvsi3,globl

135
libc/stubs/mulvti3.S
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@ -1,135 +0,0 @@
/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│
│vi: set et ft=asm ts=8 tw=8 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/macros.h"
.source __FILE__
.privileged
.alignfunc
/ Returns 𝑥*𝑦, aborting on overflow.
/
/ @param rdi:rsi is int128 𝑥
/ @param rdx:rcx is int128 𝑦
/ @return rdx:rax is 𝑥*𝑦
/ @see -ftrapv
__mulvti3:
push %rbp
mov %rsp,%rbp
push %rbx
push %rbx
push %r12
push %r13
push %r14
push %r15
mov %rdx,%r10
mov %rdi,%rdx
xor %r11d,%r11d
mov %r10,%rax
sar $63,%rdx
sar $63,%rax
cmp %rsi,%rdx
jne 4f
cmp %rcx,%rax
jne 5f
mov %rdi,%rax
imul %r10
mov %rax,%r14
mov %rdx,%r8
jmp 2f
5: mov %r10,%r12
mov %rcx,%r13
mov %rcx,%r8
mov %rdi,%rbx
jmp 6f
4: cmp %rcx,%rax
jne 7f
mov %rdi,%r12
mov %rsi,%r13
mov %rsi,%r8
mov %r10,%rbx
6: mov %rdi,%rax
mul %r10
mov %rax,%r14
mov %rbx,%rax
mov %rdx,%r15
mul %r8
test %r8,%r8
jns 8f
xor %r8d,%r8d
sub %r8,%rax
sbb %rbx,%rdx
8: test %rbx,%rbx
jns 9f
sub %r12,%rax
sbb %r13,%rdx
9: mov %r15,%r8
xor %r9d,%r9d
add %rax,%r8
adc %rdx,%r9
mov %r8,%rdx
sar $63,%rdx
cmp %r9,%rdx
je 2f
imul %r10,%rsi
mov %rdi,%rax
imul %rdi,%rcx
mul %r10
lea (%rsi,%rcx),%r8
add %rdx,%r8
mov %rax,%r14
jmp 3f
7: mov %rsi,%r8
mov %rcx,%rdx
mov %rdi,%rax
imul %rdi,%rdx
imul %r10,%r8
add %rdx,%r8
mul %r10
mov %rax,%r14
lea 1(%rsi),%rax
add %rdx,%r8
cmp $1,%rax
ja 3f
lea 1(%rcx),%rax
cmp $1,%rax
ja 3f
cmp %rcx,%rsi
jne 11f
cmp %r14,%r11
mov %r11,%rax
sbb %r8,%rax
jl 2f
jmp 3f
11: test %r8,%r8
js 2f
3: mov $1,%r11d
2: test %r11,%r11
je 1f
mov %r8,-8(%rbp)
call __on_arithmetic_overflow
mov -8(%rbp),%r8
1: mov %r14,%rax
mov %r8,%rdx
pop %r15
pop %r14
pop %r13
pop %r12
pop %rbx
leave
ret
.endfn __mulvti3,globl

39
libc/stubs/negvdi2.S
View file

@ -1,39 +0,0 @@
/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│
│vi: set et ft=asm ts=8 tw=8 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/macros.h"
.source __FILE__
.privileged
.alignfunc
/ Returns -𝑥, aborting on overflow (two's complement bane).
/
/ @param rdi is int64 𝑥
/ @return rax is -𝑥
/ @see -ftrapv
__negvdi2:
mov %rdi,%rax
neg %rax
jo 1f
ret
1: push %rbp
mov %rsp,%rbp
call __on_arithmetic_overflow
pop %rbp
ret
.endfn __negvdi2,globl

39
libc/stubs/negvsi2.S
View file

@ -1,39 +0,0 @@
/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│
│vi: set et ft=asm ts=8 tw=8 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/macros.h"
.source __FILE__
.privileged
.alignfunc
/ Returns -𝑥, aborting on overflow (two's complement bane).
/
/ @param edi is int32 𝑥
/ @return eax is -𝑥
/ @see -ftrapv
__negvsi2:
mov %edi,%eax
neg %eax
jo 1f
ret
1: push %rbp
mov %rsp,%rbp
call __on_arithmetic_overflow
pop %rbp
ret
.endfn __negvsi2,globl

43
libc/stubs/negvti2.S
View file

@ -1,43 +0,0 @@
/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│
│vi: set et ft=asm ts=8 tw=8 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/macros.h"
.source __FILE__
.privileged
.alignfunc
/ Returns -𝑥, aborting on overflow.
/
/ @param rdi:rsi is int128 𝑥
/ @return rdx:rax is -𝑥
/ @see -ftrapv
__negvti2:
mov %rdi,%rax
mov %rsi,%rdx
neg %rax
not %rdx
cmc
adc $0,%rdx
jo 1f
ret
1: push %rbp
mov %rsp,%rbp
call __on_arithmetic_overflow
pop %rbp
ret
.endfn __negvti2,globl

30
libc/stubs/onarithmeticoverflow.S
View file

@ -1,30 +0,0 @@
/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│
│vi: set et ft=asm ts=8 tw=8 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/macros.h"
.privileged
.source __FILE__
/ Arithmetic overflow handler.
/ @see -ftrapv
__on_arithmetic_overflow:
push %rbp
mov %rsp,%rbp
int3
call abort
.endfn __on_arithmetic_overflow,weak

1
libc/stubs/stubs.mk
View file

@ -27,7 +27,6 @@ LIBC_STUBS_A_SRCS = \
$(filter %.S,$(LIBC_STUBS_A_FILES))
LIBC_STUBS_A_OBJS = \
$(LIBC_STUBS_A_SRCS:%=o/$(MODE)/%.zip.o) \
$(LIBC_STUBS_A_SRCS:%.S=o/$(MODE)/%.o)
LIBC_STUBS_A_CHECKS = \

40
libc/stubs/subvdi3.S
View file

@ -1,40 +0,0 @@
/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│
│vi: set et ft=asm ts=8 tw=8 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/macros.h"
.source __FILE__
.privileged
.alignfunc
/ Returns 𝑥-𝑦, aborting on overflow.
/
/ @param rdi is int64 𝑥
/ @param rsi is int64 𝑦
/ @return rax is 𝑥-𝑦
/ @see -ftrapv
__subvdi3:
mov %rdi,%rax
sub %rsi,%rax
jo 1f
ret
1: push %rbp
mov %rsp,%rbp
call __on_arithmetic_overflow
pop %rbp
ret
.endfn __subvdi3,globl

39
libc/stubs/subvsi3.S
View file

@ -1,39 +0,0 @@
/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│
│vi: set et ft=asm ts=8 tw=8 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/macros.h"
.source __FILE__
.privileged
.alignfunc
/ Returns 𝑥-𝑦, aborting on overflow.
/
/ @param edi is int32 𝑥
/ @param esi is int32 𝑦
/ @see -ftrapv
__subvsi3:
mov %edi,%eax
sub %esi,%eax
jo 1f
ret
1: push %rbp
mov %rsp,%rbp
call __on_arithmetic_overflow
pop %rbp
ret
.endfn __subvsi3,globl

42
libc/stubs/subvti3.S
View file

@ -1,42 +0,0 @@
/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│
│vi: set et ft=asm ts=8 tw=8 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/macros.h"
.source __FILE__
.privileged
.alignfunc
/ Returns 𝑥-𝑦, aborting on overflow.
/
/ @param rdi:rsi is int128 𝑥
/ @param rdx:rcx is int128 𝑦
/ @return rdx:rax is 𝑥-𝑦
/ @see -ftrapv
__subvti3:
mov %rdi,%rax
sub %rdx,%rax
mov %rsi,%rdx
sbb %rcx,%rdx
jo 1f
ret
1: push %rbp
mov %rsp,%rbp
call __on_arithmetic_overflow
pop %rbp
ret
.endfn __subvti3,globl

62
libc/stubs/sysv2nt.S
View file

@ -1,62 +0,0 @@
/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│
│vi: set et ft=asm ts=8 tw=8 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/macros.h"
.text.windows
/ Epilogues for calling functions w/ Microsoft x64 convention.
/
/ @param %rax is address of windows x64 function to call
/ @param %rsi is ignored
/ @param %rdx,%rcx,%r8,%r9,stack are params (unlimited)
/ @param %xmm0,%xmm1,%xmm2 are double params (limited to 3)
/ @return is in %rax, %xmm0, or %st
/ @note GCC 4.8+ and Clang can avoid this indirection
/ @note thunk that jumps here must setup frame
/ @note this is so much faster than __nt2sysv()
__sysv2nt14:
pushq 72(%rbp)
pushq 64(%rbp)
__sysv2nt12:
pushq 56(%rbp)
pushq 48(%rbp)
__sysv2nt10:
pushq 40(%rbp)
pushq 32(%rbp)
__sysv2nt8:
pushq 24(%rbp)
pushq 16(%rbp)
__sysv2nt6:
push %r9
push %r8
__sysv2nt:
mov %rdx,%r8
mov %rcx,%r9
mov %rdi,%rcx
mov %rsi,%rdx
sub $32,%rsp
call *%rax
leave
ret
.endfn __sysv2nt,globl,hidden
.endfn __sysv2nt6,globl,hidden
.endfn __sysv2nt8,globl,hidden
.endfn __sysv2nt10,globl,hidden
.endfn __sysv2nt12,globl,hidden
.endfn __sysv2nt14,globl,hidden
.source __FILE__

41
libc/stubs/triplf.S
View file

@ -1,41 +0,0 @@
/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│
│vi: set et ft=asm ts=8 tw=8 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "ape/macros.internal.h"
#include "ape/config.h"
.real
.source __FILE__
.code16 # ∩ .code32 ∩ .code64
/ Hoses interrupt descriptor table and triple-faults the system.
/
/ @see youtu.be/GIKfEAF2Yhw?t=67
/ @mode long,legacy,real
triplf: push %bp
mov %sp,%bp
sub $8,%sp
movpp %bp,%si
lea -8(%bp),%di
pushpop 8,%cx
xor %ax,%ax
rep stosb
0: cli
lidt -8(%bp)
ud2
jmp 0b
.endfn triplf,globl,protected

49
libc/stubs/zip.S
View file

@ -1,49 +0,0 @@
/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│
│vi: set et ft=asm ts=8 tw=8 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/macros.h"
#include "ape/relocations.h"
#include "libc/zip.h"
/ ZIP Central Directory.
.section .piro.data.sort.zip.3,"a",@progbits
.hidden __zip_start
.globl __zip_start
.type __zip_start,@object
.align kZipCdirAlign
__zip_start:
.previous/*
...
decentralized content
...
*/.section .piro.data.sort.zip.5,"a",@progbits
.align kZipCdirAlign
__zip_end:
.long kZipCdirHdrMagic # magic
.short 0 # disk
.short 0 # starting disk
.short v_zip_records # records on disk
.short v_zip_records # records
.long v_zip_cdirsize # size of central directory
.long RVA(__zip_start) # central directory offset
.short v_zip_commentsize # comment size
.endobj __zip_end,globl,hidden
.weak v_zip_records
.weak v_zip_cdirsize
.weak v_zip_commentsize
.previous