This is the mail archive of the
systemtap@sourceware.org
mailing list for the systemtap project.
[Bug bpf/23474] New: bpf kernel_string(), user_string() tapset
- From: "me at serhei dot io" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sourceware dot org
- Date: Wed, 01 Aug 2018 18:47:35 +0000
- Subject: [Bug bpf/23474] New: bpf kernel_string(), user_string() tapset
- Auto-submitted: auto-generated
https://sourceware.org/bugzilla/show_bug.cgi?id=23474
Bug ID: 23474
Summary: bpf kernel_string(), user_string() tapset
Product: systemtap
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: bpf
Assignee: systemtap at sourceware dot org
Reporter: me at serhei dot io
Target Milestone: ---
From the 'language features' brainstorm:
# Loading kernel_string(addr) or user_string(addr) onto the stack
offset = 80
unrolled loop {
*(u64 *)(r10-offset) = *(u64 *)addr
addr += 8; offset -= 8
} until '\0' encountered or BPF_MAXSTRINGLEN bytes copied
/* loading kernel_string(addr) or user_string(addr) into an eBPF map is similar
*/
--
You are receiving this mail because:
You are the assignee for the bug.