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| author | Ben Gamari <bgamari.foss@gmail.com> | 2017-10-29 20:46:45 -0400 |
|---|---|---|
| committer | Ben Gamari <ben@smart-cactus.org> | 2017-10-29 20:47:05 -0400 |
| commit | cecd2f2d708d419878205ddd8b87bba18e6483d9 (patch) | |
| tree | 72837286086fb64d3b458d14cb95c13425cca8ea /rts/RtsSymbols.c | |
| parent | 3b784d440d4b01b4c549df7c9a3ed2058edfc780 (diff) | |
| download | haskell-cecd2f2d708d419878205ddd8b87bba18e6483d9.tar.gz | |
Add -falignment-sanitization flag
Here we add a flag to instruct the native code generator to add
alignment checks in all info table dereferences. This is helpful in
catching pointer tagging issues.
Thanks to @jrtc27 for uncovering the tagging issues on Sparc which
inspired this flag.
Test Plan: Validate
Reviewers: simonmar, austin, erikd
Reviewed By: simonmar
Subscribers: rwbarton, trofi, thomie, jrtc27
Differential Revision: https://phabricator.haskell.org/D4101
Diffstat (limited to 'rts/RtsSymbols.c')
| -rw-r--r-- | rts/RtsSymbols.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/rts/RtsSymbols.c b/rts/RtsSymbols.c index 1ac143be95..ff15d77905 100644 --- a/rts/RtsSymbols.c +++ b/rts/RtsSymbols.c @@ -870,6 +870,7 @@ SymI_HasProto(stg_waitWritezh) \ SymI_HasProto(stg_writeTVarzh) \ SymI_HasProto(stg_yieldzh) \ + SymI_NeedsProto(stg_badAlignment_entry) \ SymI_NeedsProto(stg_interp_constr1_entry) \ SymI_NeedsProto(stg_interp_constr2_entry) \ SymI_NeedsProto(stg_interp_constr3_entry) \ |