Aarch64 support #34
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Aarch64 support #34
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Jongy
commented
Feb 4, 2022
Jongy
commented
Feb 4, 2022
| #elif defined(__aarch64__) | ||
| switch (pthreads_impl) { | ||
| case PTI_GLIBC: | ||
| // TODO const bad |
Jongy
commented
Feb 4, 2022
| break; | ||
| case PTI_MUSL: | ||
| // TODO ensure really same as x86 |
Jongy
commented
Feb 4, 2022
Jongy
commented
Feb 4, 2022
| #elif defined(__aarch64__) | ||
| switch (pthreads_impl) { | ||
| case PTI_GLIBC: | ||
| return (int64_t)(a - b) < 0x500; |
Jongy
commented
Feb 4, 2022
| if (user_mode(ctx)) { | ||
| // Yes - use the registers context given to the BPF program | ||
| user_regs = *ctx; | ||
| bpf_probe_read_kernel(&user_regs, sizeof(user_regs), ctx); |
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TODO figure this out - why these 2 lines do not have the same effect, as if bpf_probe_read_kernel fails.
TODO maybe because bpf_probe_read_kernel doesn't exist in pre-5.4, so this read fails???
Jongy
commented
Feb 4, 2022
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It works! but not complete & not ready for CR yet. I will list the missing things to do in the respective gProfiler PR.