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author | Sverker Eriksson <[email protected]> | 2014-05-02 14:57:35 +0200 |
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committer | Rickard Green <[email protected]> | 2014-05-13 16:20:27 +0200 |
commit | 94d877a95de7f22fc66f0737da54cc6500a7231c (patch) | |
tree | 3539431340cfb83b4a776e0bb86afe39cad8b343 /erts/emulator/beam/external.c | |
parent | 9e19d1bf9fc7dc322823327e5e78f4ec0c3cee37 (diff) | |
download | otp-94d877a95de7f22fc66f0737da54cc6500a7231c.tar.gz otp-94d877a95de7f22fc66f0737da54cc6500a7231c.tar.bz2 otp-94d877a95de7f22fc66f0737da54cc6500a7231c.zip |
HiPE wrappers for BIFs disabling GC
Diffstat (limited to 'erts/emulator/beam/external.c')
-rw-r--r-- | erts/emulator/beam/external.c | 74 |
1 files changed, 8 insertions, 66 deletions
diff --git a/erts/emulator/beam/external.c b/erts/emulator/beam/external.c index 656de7c49a..e376253400 100644 --- a/erts/emulator/beam/external.c +++ b/erts/emulator/beam/external.c @@ -44,9 +44,6 @@ #include "erl_zlib.h" #include "erl_map.h" -#ifdef HIPE -#include "hipe_mode_switch.h" -#endif #define in_area(ptr,start,nbytes) ((UWord)((char*)(ptr) - (char*)(start)) < (nbytes)) #define MAX_STRING_LEN 0xffff @@ -1069,6 +1066,8 @@ static BIF_RETTYPE term_to_binary_trap_1(BIF_ALIST_1) } } +HIPE_WRAPPER_BIF_DISABLE_GC(term_to_binary, 1) + BIF_RETTYPE term_to_binary_1(BIF_ALIST_1) { Eterm res = erts_term_to_binary_int(BIF_P, BIF_ARG_1, 0, TERM_TO_BINARY_DFLAGS, NULL); @@ -1081,6 +1080,8 @@ BIF_RETTYPE term_to_binary_1(BIF_ALIST_1) } } +HIPE_WRAPPER_BIF_DISABLE_GC(term_to_binary, 2) + BIF_RETTYPE term_to_binary_2(BIF_ALIST_2) { Process* p = BIF_P; @@ -1544,11 +1545,15 @@ static Eterm binary_to_term_int(Process* p, Uint32 flags, Eterm bin, Binary* con BIF_TRAP1(&binary_to_term_trap_export, p, ctx->trap_bin); } +HIPE_WRAPPER_BIF_DISABLE_GC(erts_internal_binary_to_term, 1) + BIF_RETTYPE erts_internal_binary_to_term_1(BIF_ALIST_1) { return binary_to_term_int(BIF_P, 0, BIF_ARG_1, NULL); } +HIPE_WRAPPER_BIF_DISABLE_GC(erts_internal_binary_to_term, 2) + BIF_RETTYPE erts_internal_binary_to_term_2(BIF_ALIST_2) { Eterm opts; @@ -4440,66 +4445,3 @@ error: #undef SKIP2 #undef CHKSIZE } - - -#ifdef HIPE -BIF_RETTYPE hipe_wrapper_term_to_binary_1(BIF_ALIST_1); -BIF_RETTYPE hipe_wrapper_term_to_binary_2(BIF_ALIST_2); -BIF_RETTYPE hipe_wrapper_erts_internal_binary_to_term_1(BIF_ALIST_1); -BIF_RETTYPE hipe_wrapper_erts_internal_binary_to_term_2(BIF_ALIST_2); - -/* Hipe wrappers used by native code for BIFs that disable GC while trapping. - * - * Problem: - * When native code calls a BIF that traps, hipe_mode_switch will push a - * "trap frame" on the Erlang stack in order to find its way back from beam_emu - * back to native caller when finally done. If GC is disabled and stack/heap - * is full there is no place to push the "trap frame". - * - * Solution: - * We reserve space on stack for the "trap frame" here before the BIF is called. - * If the BIF does not trap, the space is reclaimed here before returning. - * If the BIF traps, hipe_push_beam_trap_frame() will detect that a "trap frame" - * already is reserved and use it. - */ -BIF_RETTYPE hipe_wrapper_term_to_binary_1(BIF_ALIST_1) -{ - Eterm res; - hipe_reserve_beam_trap_frame(BIF_P, BIF__ARGS, 1); - res = term_to_binary_1(BIF_P, BIF__ARGS); - if (is_value(res) || BIF_P->freason != TRAP) { - hipe_unreserve_beam_trap_frame(BIF_P); - } - return res; -} -BIF_RETTYPE hipe_wrapper_term_to_binary_2(BIF_ALIST_2) -{ - Eterm res; - hipe_reserve_beam_trap_frame(BIF_P, BIF__ARGS, 2); - res = term_to_binary_2(BIF_P, BIF__ARGS); - if (is_value(res) || BIF_P->freason != TRAP) { - hipe_unreserve_beam_trap_frame(BIF_P); - } - return res; -} -BIF_RETTYPE hipe_wrapper_erts_internal_binary_to_term_1(BIF_ALIST_1) -{ - Eterm res; - hipe_reserve_beam_trap_frame(BIF_P, BIF__ARGS, 1); - res = erts_internal_binary_to_term_1(BIF_P, BIF__ARGS); - if (is_value(res) || BIF_P->freason != TRAP) { - hipe_unreserve_beam_trap_frame(BIF_P); - } - return res; -} -BIF_RETTYPE hipe_wrapper_erts_internal_binary_to_term_2(BIF_ALIST_2) -{ - Eterm res; - hipe_reserve_beam_trap_frame(BIF_P, BIF__ARGS, 2); - res = erts_internal_binary_to_term_2(BIF_P, BIF__ARGS); - if (is_value(res) || BIF_P->freason != TRAP) { - hipe_unreserve_beam_trap_frame(BIF_P); - } - return res; -} -#endif /*HIPE*/ |