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Mint APE Loader v1.5

Browse source 
This change ports APE Loader to Linux AARCH64, so that Raspberry Pi
users can run programs like redbean, without the executable needing
to modify itself. Progress has also slipped into this change on the
issue of making progress better conforming to user expectations and
industry standards regarding which symbols we're allowed to declare
This commit is contained in:
Justine Tunney 2023-07-26 13:54:49 -07:00
parent 6843150e0c
commit 7e0a09feec
No known key found for this signature in database
GPG key ID: BE714B4575D6E328
510 changed files with 1783 additions and 1483 deletions
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114
libc/runtime/printargs.c
View file

@ -63,8 +63,8 @@
#include "tool/decode/lib/idname.h"
#include "tool/decode/lib/x86idnames.h"
STATIC_YOINK("strerror"); // for kprintf()
STATIC_YOINK("strsignal"); // for kprintf()
__static_yoink("strerror"); // for kprintf()
__static_yoink("strsignal"); // for kprintf()
#define PRINT(FMT, ...) \
do { \
@ -72,49 +72,6 @@ STATIC_YOINK("strsignal"); // for kprintf()
kprintf(FMT "\n", ##__VA_ARGS__); \
} while (0)
static const struct AuxiliaryValue {
const char *fmt;
long *id;
const char *name;
} kAuxiliaryValues[] = {
{"%-14p", &AT_EXECFD, "AT_EXECFD"},
{"%-14p", &AT_PHDR, "AT_PHDR"},
{"%-14p", &AT_PHENT, "AT_PHENT"},
{"%-14p", &AT_PHNUM, "AT_PHNUM"},
{"%-14p", &AT_PAGESZ, "AT_PAGESZ"},
{"%-14p", &AT_BASE, "AT_BASE"},
{"%-14p", &AT_ENTRY, "AT_ENTRY"},
{"%-14p", &AT_NOTELF, "AT_NOTELF"},
{"%-14d", &AT_UID, "AT_UID"},
{"%-14d", &AT_EUID, "AT_EUID"},
{"%-14d", &AT_GID, "AT_GID"},
{"%-14d", &AT_EGID, "AT_EGID"},
{"%-14d", &AT_CLKTCK, "AT_CLKTCK"},
{"%-14d", &AT_OSRELDATE, "AT_OSRELDATE"},
{"%-14p", &AT_PLATFORM, "AT_PLATFORM"},
{"%-14p", &AT_DCACHEBSIZE, "AT_DCACHEBSIZE"},
{"%-14p", &AT_ICACHEBSIZE, "AT_ICACHEBSIZE"},
{"%-14p", &AT_UCACHEBSIZE, "AT_UCACHEBSIZE"},
{"%-14p", &AT_SECURE, "AT_SECURE"},
{"%-14s", &AT_BASE_PLATFORM, "AT_BASE_PLATFORM"},
{"%-14p", &AT_RANDOM, "AT_RANDOM"},
{"%-14s", &AT_EXECFN, "AT_EXECFN"},
{"%-14p", &AT_SYSINFO_EHDR, "AT_SYSINFO_EHDR"},
{"%-14p", &AT_FLAGS, "AT_FLAGS"},
{"%-14p", &AT_HWCAP, "AT_HWCAP"},
{"%-14p", &AT_HWCAP2, "AT_HWCAP2"},
{"%-14p", &AT_STACKBASE, "AT_STACKBASE"},
{"%-14p", &AT_CANARY, "AT_CANARY"},
{"%-14p", &AT_CANARYLEN, "AT_CANARYLEN"},
{"%-14ld", &AT_NCPUS, "AT_NCPUS"},
{"%-14p", &AT_PAGESIZES, "AT_PAGESIZES"},
{"%-14d", &AT_PAGESIZESLEN, "AT_PAGESIZESLEN"},
{"%-14p", &AT_TIMEKEEP, "AT_TIMEKEEP"},
{"%-14p", &AT_STACKPROT, "AT_STACKPROT"},
{"%-14p", &AT_EHDRFLAGS, "AT_EHDRFLAGS"},
{"%-14d", &AT_MINSIGSTKSZ, "AT_MINSIGSTKSZ"},
};
static const char *FindNameById(const struct IdName *names, unsigned long id) {
for (; names->name; names++) {
if (names->id == id) {
@ -124,17 +81,7 @@ static const char *FindNameById(const struct IdName *names, unsigned long id) {
return NULL;
}
static const struct AuxiliaryValue *DescribeAuxv(unsigned long x) {
int i;
for (i = 0; i < ARRAYLEN(kAuxiliaryValues); ++i) {
if (*kAuxiliaryValues[i].id && x == *kAuxiliaryValues[i].id) {
return kAuxiliaryValues + i;
}
}
return NULL;
}
static noasan void PrintDependencies(const char *prologue) {
static dontasan void PrintDependencies(const char *prologue) {
struct NtLinkedList *head = &NtGetPeb()->Ldr->InLoadOrderModuleList;
struct NtLinkedList *ldr = head->Next;
do {
@ -145,7 +92,7 @@ static noasan void PrintDependencies(const char *prologue) {
} while ((ldr = ldr->Next) && ldr != head);
}
static noasan void Print(const char *prologue) {
static dontasan void Print(const char *prologue) {
}
/**
@ -158,6 +105,50 @@ static noasan void Print(const char *prologue) {
* @param prologue needs to be a .rodata kprintf string
*/
textstartup void __printargs(const char *prologue) {
const struct AuxiliaryValue {
const char *fmt;
unsigned long id;
const char *name;
} kAuxiliaryValues[] = {
{"%-14p", AT_EXECFD, "AT_EXECFD"},
{"%-14p", AT_PHDR, "AT_PHDR"},
{"%-14p", AT_PHENT, "AT_PHENT"},
{"%-14p", AT_PHNUM, "AT_PHNUM"},
{"%-14p", AT_PAGESZ, "AT_PAGESZ"},
{"%-14p", AT_BASE, "AT_BASE"},
{"%-14p", AT_ENTRY, "AT_ENTRY"},
{"%-14p", AT_NOTELF, "AT_NOTELF"},
{"%-14d", AT_UID, "AT_UID"},
{"%-14d", AT_EUID, "AT_EUID"},
{"%-14d", AT_GID, "AT_GID"},
{"%-14d", AT_EGID, "AT_EGID"},
{"%-14d", AT_CLKTCK, "AT_CLKTCK"},
{"%-14d", AT_OSRELDATE, "AT_OSRELDATE"},
{"%-14p", AT_PLATFORM, "AT_PLATFORM"},
{"%-14p", AT_DCACHEBSIZE, "AT_DCACHEBSIZE"},
{"%-14p", AT_ICACHEBSIZE, "AT_ICACHEBSIZE"},
{"%-14p", AT_UCACHEBSIZE, "AT_UCACHEBSIZE"},
{"%-14p", AT_SECURE, "AT_SECURE"},
{"%-14s", AT_BASE_PLATFORM, "AT_BASE_PLATFORM"},
{"%-14p", AT_RANDOM, "AT_RANDOM"},
{"%-14s", AT_EXECFN, "AT_EXECFN"},
{"%-14p", AT_SYSINFO_EHDR, "AT_SYSINFO_EHDR"},
{"%-14p", AT_FLAGS, "AT_FLAGS"},
{"%-14p", AT_HWCAP, "AT_HWCAP"},
{"%-14p", AT_HWCAP2, "AT_HWCAP2"},
{"%-14p", AT_STACKBASE, "AT_STACKBASE"},
{"%-14p", AT_CANARY, "AT_CANARY"},
{"%-14p", AT_CANARYLEN, "AT_CANARYLEN"},
{"%-14ld", AT_NCPUS, "AT_NCPUS"},
{"%-14p", AT_PAGESIZES, "AT_PAGESIZES"},
{"%-14d", AT_PAGESIZESLEN, "AT_PAGESIZESLEN"},
{"%-14p", AT_TIMEKEEP, "AT_TIMEKEEP"},
{"%-14p", AT_STACKPROT, "AT_STACKPROT"},
{"%-14p", AT_EHDRFLAGS, "AT_EHDRFLAGS"},
{"%-14d", AT_MINSIGSTKSZ, "AT_MINSIGSTKSZ"},
};
long key;
char **env;
sigset_t ss;
@ -412,7 +403,14 @@ textstartup void __printargs(const char *prologue) {
if (*__auxv) {
if (*__auxv) {
for (auxp = __auxv; *auxp; auxp += 2) {
if ((auxinfo = DescribeAuxv(auxp[0]))) {
auxinfo = 0;
for (i = 0; i < ARRAYLEN(kAuxiliaryValues); ++i) {
if (kAuxiliaryValues[i].id && auxp[0] == kAuxiliaryValues[i].id) {
auxinfo = kAuxiliaryValues + i;
break;
}
}
if (auxinfo) {
ksnprintf(u.path, sizeof(u.path), auxinfo->fmt, auxp[1]);
PRINT(" ☼ %16s[%4ld] = %s", auxinfo->name, auxp[0], u.path);
} else {