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Get aarch64 hello world working

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$ m=aarch64-tiny
    $ make -j8 m=$m o/$m/tool/hello/hello.com o/third_party/qemu/qemu-aarch64
    $ o/third_party/qemu/qemu-aarch64 o/$m/tool/hello/hello.com
    hello world
    $ ls -hal o/$m/tool/hello/hello.com
    -rwxr-xr-x 1 jart jart 4.0K May  9 05:04 o/aarch64-tiny/tool/hello/hello.com
This commit is contained in:
Justine Tunney 2023-05-09 02:35:05 -07:00
parent e5e3cdf447
commit ae0ee59614
No known key found for this signature in database
GPG key ID: BE714B4575D6E328
174 changed files with 1454 additions and 851 deletions
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23
ape/ape.lds
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@ -181,8 +181,15 @@
#include "libc/elf/pf2prot.internal.h"
#include "libc/nt/pedef.internal.h"
#include "libc/thread/tls.h"
#include "ape/ape.internal.h"
#include "libc/zip.h"
#ifdef __x86__
#define CODE_GRANULE 1
#else
#define CODE_GRANULE 4
#endif
ENTRY(_start)
PHDRS {
@ -250,10 +257,11 @@ SECTIONS {
KEEP(*(SORT_BY_NAME(.sort.text.real.*)))
/* Code we want earlier in the binary w/o modifications */
KEEP(*(.ape.loader))
. = ALIGN(CODE_GRANULE);
HIDDEN(_ereal = .);
/*END: realmode addressability guarantee */
/*BEGIN: morphable code */
. += 1;
. += CODE_GRANULE;
/* Normal Code */
*(.start)
@ -291,13 +299,12 @@ SECTIONS {
/* Privileged code invulnerable to magic */
KEEP(*(.ape.pad.privileged));
. += . > 0 ? 1 : 0;
. = ALIGN(__privileged_end > __privileged_start ? PAGESIZE : 1);
/*END: morphable code */
HIDDEN(__privileged_start = .);
. += . > 0 ? 1 : 0;
*(.privileged)
HIDDEN(__privileged_end = .);
. += . > 0 ? 1 : 0;
. += . > 0 ? CODE_GRANULE : 0;
/*BEGIN: Read Only Data */
@ -383,7 +390,7 @@ SECTIONS {
KEEP(*(.dataprologue))
*(.data .data.*)
KEEP(*(SORT_BY_NAME(.sort.data.*)))
. += . > 0 ? 1 : 0;
. += . > 0 ? CODE_GRANULE : 0;
KEEP(*(.gotprologue))
*(.got)
@ -420,7 +427,7 @@ SECTIONS {
*(.piro.bss)
KEEP(*(SORT_BY_NAME(.piro.bss.sort.*)))
HIDDEN(__piro_end = .);
. += . > 0 ? 1 : 0;
. += . > 0 ? CODE_GRANULE : 0;
/*END: Post-Initialization Read-Only */
/* Statically Allocated Empty Space */
@ -567,6 +574,8 @@ SHSTUB2(ape_loader_dd_count,
? ROUNDUP(ape_loader_end - ape_loader, PAGESIZE) / 64
: 0);
#if defined(APE_IS_SHELL_SCRIPT) && !IsTiny()
HIDDEN(blink_aarch64_b0 = RVA(blink_aarch64) % 10 + 48);
HIDDEN(blink_aarch64_b1 = RVA(blink_aarch64) < 10 ? 32 : RVA(blink_aarch64) / 10 % 10 + 48);
HIDDEN(blink_aarch64_b2 = RVA(blink_aarch64) < 100 ? 32 : RVA(blink_aarch64) / 100 % 10 + 48);
@ -611,6 +620,8 @@ HIDDEN(blink_darwin_arm64_size_b7 = blink_darwin_arm64_size < 10000000 ? 32 : bl
HIDDEN(blink_darwin_arm64_size_b8 = blink_darwin_arm64_size < 100000000 ? 32 : blink_darwin_arm64_size / 100000000 % 10 + 48);
HIDDEN(blink_darwin_arm64_size_b9 = blink_darwin_arm64_size < 1000000000 ? 32 : blink_darwin_arm64_size / 1000000000 % 10 + 48);
#endif /* APE_IS_SHELL_SCRIPT */
#if SupportsMetal()
HIDDEN(v_ape_realsectors =
MIN(0x70000 - IMAGE_BASE_REAL, ROUNDUP(RVA(_ezip), 512)) / 512);