[Bug gdb/17384] android arm gdb "Cannot access memory at address" when I "stepi" over "blx"

["martin at minimum dot se" <sourceware-bugzilla at sourceware dot org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=17384

--- Comment #28 from molsson <martin at minimum dot se> ---
Here is an alternative test run; for this one I used gdb 7.8.50.20141014-cvs
built from c50415e, but since I couldn't build the corresponding gdbserver I
used the arm gdbserver binary from android NDK r10b instead (i.e. their
android-ndk-r10b/prebuilt/android-arm/gdbserver/gdbserver ARM binary). Since
there was no warning, I am _guessing_ that this gdbserver is compatible with
this gdb version.

Breakpoint 1, blink::RenderFullScreen::createPlaceholder (this=0x80238100,
style=..., frameRect=...) at
../../third_party/WebKit/Source/core/rendering/RenderFullScreen.cpp:188
188        if (style->width().isAuto())
(gdb) set debug infrun 1
(gdb) n
infrun: clear_proceed_status_thread (Thread 9311)
infrun: clear_proceed_status_thread (Thread 9310)
infrun: clear_proceed_status_thread (Thread 9305)
infrun: clear_proceed_status_thread (Thread 9304)
infrun: clear_proceed_status_thread (Thread 9303)
infrun: clear_proceed_status_thread (Thread 9302)
infrun: clear_proceed_status_thread (Thread 9301)
infrun: clear_proceed_status_thread (Thread 9300)
infrun: clear_proceed_status_thread (Thread 9299)
infrun: clear_proceed_status_thread (Thread 9297)
infrun: clear_proceed_status_thread (Thread 9296)
infrun: clear_proceed_status_thread (Thread 9295)
infrun: clear_proceed_status_thread (Thread 9294)
infrun: clear_proceed_status_thread (Thread 9293)
infrun: clear_proceed_status_thread (Thread 9292)
infrun: clear_proceed_status_thread (Thread 9291)
infrun: clear_proceed_status_thread (Thread 9290)
infrun: clear_proceed_status_thread (Thread 9289)
infrun: clear_proceed_status_thread (Thread 9285)
infrun: proceed (addr=0xffffffff, signal=GDB_SIGNAL_DEFAULT, step=1)
infrun: skipping breakpoint: stepping past insn at: 0x7a5b1170
infrun: skipping breakpoint: stepping past insn at: 0x7a5b1170
infrun: resume (step=1, signal=GDB_SIGNAL_0), trap_expected=1, current thread
[Thread 9299] at 0x7a5b1170
infrun: target_wait (-1, status) =
infrun:   9285 [Thread 9299],
infrun:   status->kind = stopped, signal = GDB_SIGNAL_TRAP
infrun: infwait_normal_state
infrun: TARGET_WAITKIND_STOPPED
infrun: stop_pc = 0x7a5b1172
infrun: stepping inside range [0x7a5b1170-0x7a5b118c]
infrun: resume (step=1, signal=GDB_SIGNAL_0), trap_expected=0, current thread
[Thread 9299] at 0x7a5b1172
infrun: prepare_to_wait
infrun: target_wait (-1, status) =
infrun:   9285 [Thread 9299],
infrun:   status->kind = stopped, signal = GDB_SIGNAL_TRAP
infrun: infwait_normal_state
infrun: TARGET_WAITKIND_STOPPED
infrun: stop_pc = 0x7a797ac0
infrun: no line number info
infrun: stop_waiting
0x7a797ac0 in ?? () from
/media/ssd/src/opera/opera/chromium/src/out_generic_armv7/Debug/lib/libblink_web.cr.so
(gdb) n
infrun: clear_proceed_status_thread (Thread 9311)
infrun: clear_proceed_status_thread (Thread 9310)
infrun: clear_proceed_status_thread (Thread 9305)
infrun: clear_proceed_status_thread (Thread 9304)
infrun: clear_proceed_status_thread (Thread 9303)
infrun: clear_proceed_status_thread (Thread 9302)
infrun: clear_proceed_status_thread (Thread 9301)
infrun: clear_proceed_status_thread (Thread 9300)
infrun: clear_proceed_status_thread (Thread 9299)
infrun: clear_proceed_status_thread (Thread 9297)
infrun: clear_proceed_status_thread (Thread 9296)
infrun: clear_proceed_status_thread (Thread 9295)
infrun: clear_proceed_status_thread (Thread 9294)
infrun: clear_proceed_status_thread (Thread 9293)
infrun: clear_proceed_status_thread (Thread 9292)
infrun: clear_proceed_status_thread (Thread 9291)
infrun: clear_proceed_status_thread (Thread 9290)
infrun: clear_proceed_status_thread (Thread 9289)
infrun: clear_proceed_status_thread (Thread 9285)
Cannot find bounds of current function
(gdb)

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