mgorny added a comment.
Full logs below.
Linux:
(lldb) log enable lldb dyld
(lldb) run
lldb DynamicLoaderDarwin::UseDYLDSPI: Use old DynamicLoader plugin
lldb DynamicLoaderDarwin::UseDYLDSPI: Use old DynamicLoader plugin
lldb DYLDRendezvous::DYLDRendezvous exe module executable path
set: '/home/mgorny/git/llvm-project/_build/a.out'
lldb DynamicLoaderPOSIXDYLD::DidLaunch()
lldb DynamicLoaderPOSIXDYLD::DidLaunch about to call ProbeEntry()
lldb Rendezvous structure is not set up yet. Trying to locate
rendezvous breakpoint in the interpreter by symbol name.
lldb Successfully set rendezvous breakpoint at address
0x7ffff7fe1850 for pid 221689
intern-state DynamicLoaderPOSIXDYLD::RendezvousBreakpointHit called for
pid 221689
intern-state DYLDRendezvous::Resolve address size: 8, padding 4
intern-state ResolveRendezvousAddress info_location = 0xffffffffffffffff
intern-state ResolveRendezvousAddress resolved via direct object file
approach to 0x403ee8
intern-state ResolveRendezvousAddress reading pointer (8 bytes) from
0x403ee8
intern-state DYLDRendezvous::Resolve cursor = 0x7ffff7ffe0a0
intern-state DYLDRendezvous:
intern-state Address: 7ffff7ffe0a0
intern-state Version: 1
intern-state Link : 7ffff7ffe1a0
intern-state Break : 7ffff7fe1850
intern-state LDBase : 7ffff7fd1000
intern-state State : add
intern-state DYLDRendezvous::UpdateSOEntriesFromRemote action = 1
intern-state DYLDRendezvous::SaveSOEntriesFromRemote soentry from module
list: link_addr=7ffff7ffda08, base_addr=7ffff7fd1000, dyn_addr=7ffff7ffce28,
filename=/lib64/ld-linux-x86-64.so.2
intern-state DYLDRendezvous::SaveSOEntriesFromRemote soentry from module
list: link_addr=7ffff7ffe750, base_addr=7ffff7fcf000, dyn_addr=7ffff7fcf3a0,
filename=linux-vdso.so.1
intern-state DynamicLoaderPOSIXDYLD::RendezvousBreakpointHit pid 221689
stop_when_images_change=false
intern-state DynamicLoaderPOSIXDYLD::RendezvousBreakpointHit called for
pid 221689
intern-state DYLDRendezvous::Resolve address size: 8, padding 4
intern-state DYLDRendezvous::Resolve cursor = 0x7ffff7ffe0a0
intern-state DYLDRendezvous:
intern-state Address: 7ffff7ffe0a0
intern-state Version: 1
intern-state Link : 7ffff7ffe1a0
intern-state Break : 7ffff7fe1850
intern-state LDBase : 7ffff7fd1000
intern-state State : consistent
intern-state DYLDRendezvous SOEntries:
intern-state
SOEntry [1] /lib64/ld-linux-x86-64.so.2
intern-state Base : 7ffff7fd1000
intern-state Path : 0
intern-state Dyn : 7ffff7ffce28
intern-state Next : 0
intern-state Prev : 0
intern-state
SOEntry [2] linux-vdso.so.1
intern-state Base : 7ffff7fcf000
intern-state Path : 0
intern-state Dyn : 7ffff7fcf3a0
intern-state Next : 0
intern-state Prev : 0
intern-state DYLDRendezvous::UpdateSOEntriesFromRemote action = 2
intern-state DYLDRendezvous::AddSOEntriesFromRemote add soentry:
link_addr=7ffff7f8c000, base_addr=7ffff7f4f000, dyn_addr=7ffff7f86cb0,
filename=/lib64/libedit.so.0
intern-state DYLDRendezvous::AddSOEntriesFromRemote add soentry:
link_addr=7ffff7f8c4f0, base_addr=7ffff7d88000, dyn_addr=7ffff7f48b60,
filename=/lib64/libc.so.6
intern-state DYLDRendezvous::AddSOEntriesFromRemote add soentry:
link_addr=7ffff7f8c9e0, base_addr=7ffff7d4c000, dyn_addr=7ffff7d85cc8,
filename=/lib64/libtinfo.so.6
intern-state DynamicLoaderPOSIXDYLD::RendezvousBreakpointHit pid 221689
stop_when_images_change=false
Hello, world!
Process 221689 exited with status = 0 (0x00000000)
Process 221689 launched: '/home/mgorny/git/llvm-project/_build/a.out' (x86_64)
FreeBSD:
(lldb) run
lldb DynamicLoaderDarwin::UseDYLDSPI: Use old DynamicLoader plugin
lldb DynamicLoaderDarwin::UseDYLDSPI: Use old DynamicLoader plugin
lldb DYLDRendezvous::DYLDRendezvous exe module executable path
set: '/home/mgorny/llvm-project/_build/a.out'
lldb DynamicLoaderPOSIXDYLD::DidLaunch()
lldb DynamicLoaderPOSIXDYLD::DidLaunch about to call ProbeEntry()
lldb Rendezvous structure is not set up yet. Trying to locate
rendezvous breakpoint in the interpreter by symbol name.
lldb Successfully set rendezvous breakpoint at address
0x80020fe20 for pid 3770
intern-state DynamicLoaderPOSIXDYLD::RendezvousBreakpointHit called for
pid 3770
intern-state DYLDRendezvous::Resolve address size: 8, padding 4
intern-state ResolveRendezvousAddress info_location = 0xffffffffffffffff
intern-state ResolveRendezvousAddress resolved via direct object file
approach to 0x202a50
intern-state ResolveRendezvousAddress reading pointer (8 bytes) from
0x202a50
intern-state DYLDRendezvous::Resolve cursor = 0x800229900
intern-state DYLDRendezvous:
intern-state Address: 800229900
intern-state Version: 0
intern-state Link : 80022e240
intern-state Break : 80020fe20
intern-state LDBase : 3
intern-state State : consistent
intern-state DYLDRendezvous::UpdateSOEntriesFromRemote action = 1
intern-state DYLDRendezvous::SaveSOEntriesFromRemote soentry from module
list: link_addr=80022e240, base_addr=200000, dyn_addr=202a28,
filename=/home/mgorny/llvm-project/_build/a.out
intern-state DYLDRendezvous::SaveSOEntriesFromRemote soentry from module
list: link_addr=80022e640, base_addr=80024c000, dyn_addr=8002815c0,
filename=/lib/libedit.so.7
intern-state DYLDRendezvous::SaveSOEntriesFromRemote soentry from module
list: link_addr=80022ea40, base_addr=800287000, dyn_addr=80044f058,
filename=/lib/libc.so.7
intern-state DYLDRendezvous::SaveSOEntriesFromRemote soentry from module
list: link_addr=80022ee40, base_addr=80067d000, dyn_addr=8006db830,
filename=/lib/libncursesw.so.8
intern-state DYLDRendezvous::SaveSOEntriesFromRemote soentry from module
list: link_addr=800229580, base_addr=800203000, dyn_addr=800227af0,
filename=/libexec/ld-elf.so.1
intern-state DynamicLoaderPOSIXDYLD::RendezvousBreakpointHit pid 3770
stop_when_images_change=false
Hello world
Process 3770 exited with status = 0 (0x00000000)
Process 3770 launched: '/home/mgorny/llvm-project/_build/a.out' (x86_64)
(the test program links to libc and libedit, the latter links to
libtinfo/libncursesw appropriately)
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D92187/new/
https://reviews.llvm.org/D92187
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