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Added support for ARM64 platforms. #7

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Added support for ARM64 platforms. #7

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11 changes: 9 additions & 2 deletions quickstack.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@
#include <asm/unistd.h>
#include <getopt.h>
#include <sys/mman.h>
#include <sys/uio.h>

#include <sstream>

Expand All @@ -13,6 +14,9 @@
#elif defined(__x86_64__)
#define STACK_IP rip
#define STACK_SP rsp
#elif defined(__aarch64__)
#define STACK_IP pc
#define STACK_SP sp
#else
#error "unsupported cpu arch"
#endif
Expand Down Expand Up @@ -199,9 +203,12 @@ static bool match_debug_file(const string& name, const char* file) {
}

static int get_user_regs(int pid, user_regs_struct& regs) {
struct iovec iov;
iov.iov_base = (void*) &regs;
iov.iov_len = sizeof(regs);
int count = 100;
while (1) {
int e = ptrace(PTRACE_GETREGS, pid, 0, &regs);
int e = ptrace(PTRACE_GETREGSET, pid, NT_PRSTATUS, &iov);
if (e != 0) {
if (errno == ESRCH && count-- > 0) {
sched_yield();
Expand Down Expand Up @@ -1393,7 +1400,7 @@ int main(int argc, char** argv) {
get_options(argc, argv);
get_tids(target_pid, threads);
_attach_started = (int*)mmap(
0, PAGE_SIZE, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANONYMOUS, -1, 0);
0, getpagesize(), PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANONYMOUS, -1, 0);

pid_t quickstack_core_pid = fork();
if (quickstack_core_pid < 0) {
Expand Down
2 changes: 2 additions & 0 deletions quickstack.h
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Original file line number Diff line number Diff line change
Expand Up @@ -16,7 +16,9 @@
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/wait.h>
#ifndef __aarch64__
#include <sys/reg.h>
#endif
#include <sys/time.h>
#include <unistd.h>
#include <limits.h>
Expand Down