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| author | Hans-Peter Nilsson <hp@bitrange.com> | 2017-07-25 04:09:32 +0200 |
|---|---|---|
| committer | Hans-Peter Nilsson <hp@bitrange.com> | 2017-08-21 03:43:35 +0200 |
| commit | 284d826d9f57e3ff47e41f61f3250c8d029baaa3 (patch) | |
| tree | b6ff8464f39f8dc7a92634e0d4e83c193354f243 /ld | |
| parent | 454c9bb956abd5451b6a46c96327c5ec0884eaed (diff) | |
| download | gdb-284d826d9f57e3ff47e41f61f3250c8d029baaa3.zip gdb-284d826d9f57e3ff47e41f61f3250c8d029baaa3.tar.gz gdb-284d826d9f57e3ff47e41f61f3250c8d029baaa3.tar.bz2 | |
PR ld/20125, MMIX weak symbols
Weak undefineds with PUSHJ relocs were "lost", causing internal
inconsistencies and an abort.
Diffstat (limited to 'ld')
| -rw-r--r-- | ld/ChangeLog | 6 | ||||
| -rw-r--r-- | ld/testsuite/ld-mmix/pr20125.d | 21 | ||||
| -rw-r--r-- | ld/testsuite/ld-mmix/pr20125.s | 2 |
3 files changed, 29 insertions, 0 deletions
diff --git a/ld/ChangeLog b/ld/ChangeLog index ba576c2..a150256 100644 --- a/ld/ChangeLog +++ b/ld/ChangeLog @@ -1,3 +1,9 @@ +2017-08-21 Hans-Peter Nilsson <hp@bitrange.com> + + PR ld/20125 + * testsuite/ld-mmix/pr20125.d, testsuite/ld-mmix/pr20125.s: New + test. + 2017-08-20 A. Wilcox <awilfox@adelielinux.org> PR ld/21976 diff --git a/ld/testsuite/ld-mmix/pr20125.d b/ld/testsuite/ld-mmix/pr20125.d new file mode 100644 index 0000000..7c09c04 --- /dev/null +++ b/ld/testsuite/ld-mmix/pr20125.d @@ -0,0 +1,21 @@ +#as: -no-predefined-syms -x -I$srcdir/$subdir +#ld: -m mmo --defsym __.MMIX.start..text=0x80000 +#objdump: -dr + +# PUSHJ reloc handling was wrong for weak undefined symbols, causing +# internal inconsistencies, leading to a call to abort. +# Note that we don't keep track of which symbols have pushj-stubs, so +# we get one stub each for the two calls to "foo". + +.*: file format mmo + +Disassembly of section \.text: + +0+80000 <(_start|Main)>: + 80000: fe000004 get \$0,rJ + 80004: f2010004 pushj \$1,80014 <Main\+0x14> + 80008: f2010004 pushj \$1,80018 <Main\+0x18> + 8000c: f6040000 put rJ,\$0 + 80010: f8010000 pop 1,0 + 80014: f1fdfffb jmp 0 <Main-0x80000> + 80018: f1fdfffa jmp 0 <Main-0x80000> diff --git a/ld/testsuite/ld-mmix/pr20125.s b/ld/testsuite/ld-mmix/pr20125.s new file mode 100644 index 0000000..e528d9d --- /dev/null +++ b/ld/testsuite/ld-mmix/pr20125.s @@ -0,0 +1,2 @@ + .weak bar + .include "pr12815-2.s" |