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Improve aarch64 native support some more

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This change introduces partial support for automating remote testing of
aarch64 binaries on Raspberry Pi and Apple Silicon.
This commit is contained in:
Justine Tunney 2023-06-04 08:19:45 -07:00
parent fc34ba2596
commit 4aa1d09b9e
No known key found for this signature in database
GPG key ID: BE714B4575D6E328
20 changed files with 185 additions and 82 deletions
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4
libc/sysv/consts.sh
View file

@ -601,8 +601,8 @@ syscon clock CLOCK_MONOTONIC_PRECISE 1 1 1 6 11 3 3 1 #
syscon clock CLOCK_MONOTONIC_FAST 1 1 1 6 12 3 3 1 #
syscon clock CLOCK_MONOTONIC_COARSE 6 6 1 6 12 3 3 1 # Linux 2.6.32+; bsd consensus; not available on RHEL5
syscon clock CLOCK_MONOTONIC_RAW 4 4 127 4 127 127 127 127 # actually monotonic; not subject to NTP adjustments; Linux 2.6.28+; XNU/NT/FreeBSD/OpenBSD faked; not available on RHEL5
syscon clock CLOCK_PROCESS_CPUTIME_ID 2 2 127 127 15 2 0x40000000 127 #
syscon clock CLOCK_THREAD_CPUTIME_ID 3 3 127 127 14 4 0x20000000 127 #
syscon clock CLOCK_PROCESS_CPUTIME_ID 2 2 127 12 15 2 0x40000000 127 #
syscon clock CLOCK_THREAD_CPUTIME_ID 3 3 127 16 14 4 0x20000000 127 #
syscon clock CLOCK_PROF 127 127 127 127 2 127 2 127 #
syscon clock CLOCK_BOOTTIME 7 7 127 127 127 6 127 127 #
syscon clock CLOCK_REALTIME_ALARM 8 8 127 127 127 127 127 127 #

2
libc/sysv/consts/CLOCK_PROCESS_CPUTIME_ID.S
View file

@ -1,2 +1,2 @@
#include "libc/sysv/consts/syscon.internal.h"
.syscon clock,CLOCK_PROCESS_CPUTIME_ID,2,2,127,127,15,2,0x40000000,127
.syscon clock,CLOCK_PROCESS_CPUTIME_ID,2,2,127,12,15,2,0x40000000,127

2
libc/sysv/consts/CLOCK_THREAD_CPUTIME_ID.S
View file

@ -1,2 +1,2 @@
#include "libc/sysv/consts/syscon.internal.h"
.syscon clock,CLOCK_THREAD_CPUTIME_ID,3,3,127,127,14,4,0x20000000,127
.syscon clock,CLOCK_THREAD_CPUTIME_ID,3,3,127,16,14,4,0x20000000,127

19
libc/sysv/consts/syscon.internal.h
View file

@ -21,10 +21,7 @@
// clang-format off
#ifdef __x86_64__
#define ENCODE .uleb128
.yoink _init_systemfive
#else
#define ENCODE .balign 8 ; .quad
#endif
.macro .syscon group:req name:req linux:req linux_aarch64:req xnu:req xnu_aarch64:req freebsd:req openbsd:req netbsd:req windows:req
@ -38,9 +35,9 @@
#if SupportsLinux() || SupportsMetal()
.section .sort.rodata.syscon.linux.2.\group\().\name,"a",@progbits
#ifdef __aarch64__
ENCODE \linux_aarch64
.uleb128 \linux_aarch64
#else
ENCODE \linux
.uleb128 \linux
#endif
.previous
#endif
@ -48,34 +45,34 @@
#if SupportsXnu()
.section .sort.rodata.syscon.xnu.2.\group\().\name,"a",@progbits
#ifdef __aarch64__
ENCODE \xnu_aarch64
.uleb128 \xnu_aarch64
#else
ENCODE \xnu
.uleb128 \xnu
#endif
.previous
#endif
#if SupportsFreebsd()
.section .sort.rodata.syscon.freebsd.2.\group\().\name,"a",@progbits
ENCODE \freebsd
.uleb128 \freebsd
.previous
#endif
#if SupportsOpenbsd()
.section .sort.rodata.syscon.openbsd.2.\group\().\name,"a",@progbits
ENCODE \openbsd
.uleb128 \openbsd
.previous
#endif
#if SupportsNetbsd()
.section .sort.rodata.syscon.netbsd.2.\group\().\name,"a",@progbits
ENCODE \netbsd
.uleb128 \netbsd
.previous
#endif
#if SupportsWindows()
.section .sort.rodata.syscon.windows.2.\group\().\name,"a",@progbits
ENCODE \windows
.uleb128 \windows
.previous
#endif

12
libc/sysv/syscon.S
View file

@ -19,12 +19,6 @@
#include "libc/dce.h"
#include "libc/macros.internal.h"
#ifdef __x86_64__
#define ROALIGN 1
#else
#define ROALIGN 8
#endif
// Sections for varint encoded magic numbers.
//
// These sections are all ordered by (group_name, constant_name).
@ -46,7 +40,6 @@ syscon_end:
.globl syscon_end
#if SupportsLinux() || SupportsMetal()
.section .sort.rodata.syscon.linux.1,"a",@progbits
.balign ROALIGN
syscon_linux:/*
...decentralized leb128...
*/.previous
@ -55,7 +48,6 @@ syscon_linux:/*
#endif
#if SupportsXnu()
.section .sort.rodata.syscon.xnu.1,"a",@progbits
.balign ROALIGN
syscon_xnu:/*
...decentralized leb128...
*/.previous
@ -64,7 +56,6 @@ syscon_xnu:/*
#endif
#if SupportsFreebsd()
.section .sort.rodata.syscon.freebsd.1,"a",@progbits
.balign ROALIGN
syscon_freebsd:/*
...decentralized leb128...
*/.previous
@ -73,7 +64,6 @@ syscon_freebsd:/*
#endif
#if SupportsOpenbsd()
.section .sort.rodata.syscon.openbsd.1,"a",@progbits
.balign ROALIGN
syscon_openbsd:/*
...decentralized leb128...
*/.previous
@ -82,7 +72,6 @@ syscon_openbsd:/*
#endif
#if SupportsNetbsd()
.section .sort.rodata.syscon.netbsd.1,"a",@progbits
.balign ROALIGN
syscon_netbsd:/*
...decentralized leb128...
*/.previous
@ -91,7 +80,6 @@ syscon_netbsd:/*
#endif
#if SupportsWindows()
.section .sort.rodata.syscon.windows.1,"a",@progbits
.balign ROALIGN
syscon_windows:/*
...decentralized leb128...
*/.previous