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| author | Lukas Larsson <[email protected]> | 2016-05-12 18:11:22 +0200 |
|---|---|---|
| committer | Lukas Larsson <[email protected]> | 2016-05-17 15:07:29 +0200 |
| commit | 0f04b36c15acd592a650936b039997feeb37a639 (patch) | |
| tree | 3fd78de56814bf6624306ef9646f4cdbc151c063 /erts/emulator | |
| parent | 28f5de6eb21a4798b7033dc9d94e7b787fd4c0ce (diff) | |
| download | otp-0f04b36c15acd592a650936b039997feeb37a639.tar.gz otp-0f04b36c15acd592a650936b039997feeb37a639.tar.bz2 otp-0f04b36c15acd592a650936b039997feeb37a639.zip | |
erts: Move max_heap_size field so that ErLLVM works again
Diffstat (limited to 'erts/emulator')
| -rw-r--r-- | erts/emulator/beam/erl_process.h | 2 | ||||
| -rw-r--r-- | erts/emulator/hipe/hipe_mode_switch.c | 27 |
2 files changed, 28 insertions, 1 deletions
diff --git a/erts/emulator/beam/erl_process.h b/erts/emulator/beam/erl_process.h index 2801947613..2fc6dfe194 100644 --- a/erts/emulator/beam/erl_process.h +++ b/erts/emulator/beam/erl_process.h @@ -960,7 +960,6 @@ struct process { Uint heap_sz; /* Size of heap in words */ Uint min_heap_size; /* Minimum size of heap (in words). */ Uint min_vheap_size; /* Minimum size of virtual heap (in words). */ - Uint max_heap_size; /* Maximum size of heap (in words). */ #if !defined(NO_FPE_SIGNALS) || defined(HIPE) volatile unsigned long fp_exception; @@ -1061,6 +1060,7 @@ struct process { Eterm *old_hend; /* Heap pointers for generational GC. */ Eterm *old_htop; Eterm *old_heap; + Uint max_heap_size; /* Maximum size of heap (in words). */ Uint16 gen_gcs; /* Number of (minor) generational GCs. */ Uint16 max_gen_gcs; /* Max minor gen GCs before fullsweep. */ ErlOffHeap off_heap; /* Off-heap data updated by copy_struct(). */ diff --git a/erts/emulator/hipe/hipe_mode_switch.c b/erts/emulator/hipe/hipe_mode_switch.c index f532d3151f..884331e969 100644 --- a/erts/emulator/hipe/hipe_mode_switch.c +++ b/erts/emulator/hipe/hipe_mode_switch.c @@ -174,6 +174,33 @@ void hipe_mode_switch_init(void) make_catch(beam_catches_cons(hipe_beam_pc_throw, BEAM_CATCHES_NIL)); hipe_mfa_info_table_init(); + +#if (defined(__i386__) || defined(__x86_64__)) && defined(__linux__) + /* Verify that the offset of c-p->hipe does not change. + The ErLLVM hipe backend depends on it being in a specific + position. Kostis et al has promised to fix this in upstream + llvm by OTP 20, so it should be possible to remove these asserts + after that. */ + ERTS_CT_ASSERT(sizeof(ErtsPTabElementCommon) == + (sizeof(Eterm) + /* id */ + sizeof(((ErtsPTabElementCommon*)0)->refc) + + sizeof(ErtsTracer) + /* tracer */ + sizeof(Uint) + /* trace_flags */ + sizeof(erts_smp_atomic_t) + /* timer */ + sizeof(((ErtsPTabElementCommon*)0)->u))); + + ERTS_CT_ASSERT(offsetof(Process, hipe) == + (sizeof(ErtsPTabElementCommon) + /* common */ + sizeof(Eterm*) + /* htop */ + sizeof(Eterm*) + /* stop */ + sizeof(Eterm*) + /* heap */ + sizeof(Eterm*) + /* hend */ + sizeof(Uint) + /* heap_sz */ + sizeof(Uint) + /* min_heap_size */ + sizeof(Uint) + /* min_vheap_size */ + sizeof(volatile unsigned long))); /* fp_exception */ +#endif + } void hipe_set_call_trap(Uint *bfun, void *nfun, int is_closure) |