busybox

Author	SHA1	Message	Date
Denys Vlasenko	73b2c60825	bc: fix incorrect bit in BC_PARSE_EXPRS_BITS: 'limits' is not allowed Alsl, move and rename dc_lex_tokens[] to dc_char_to_LEX[] Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-24 01:04:21 +01:00
Denys Vlasenko	ad0bd381e9	bc: for "dc only" remove handling of LAST, move OBASE enums up to IBASE function old new delta dc_LEX_to_INST - 82 +82 bc_parse_pushNUM - 62 +62 zbc_program_num 981 978 -3 bc_result_free 46 43 -3 zbc_program_binOpPrep 305 300 -5 static.msg 24 12 -12 zbc_program_exec 4013 3994 -19 zdc_parse_expr 583 507 -76 dc_parse_insts 83 - -83 ------------------------------------------------------------------------------ (add/remove: 2/1 grow/shrink: 0/6 up/down: 144/-201) Total: -57 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-24 00:50:32 +01:00
Denys Vlasenko	9471bd4660	bc: fix empty lines in dc generating "bad token" message function old new delta zdc_program_asciify - 370 +370 zbc_program_pushArray - 147 +147 zbc_vm_process 824 828 +4 zbc_program_exec 4182 4046 -136 zdc_program_printStream 146 - -146 zbc_program_read 268 - -268 ------------------------------------------------------------------------------ (add/remove: 2/2 grow/shrink: 1/1 up/down: 521/-550) Total: -29 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-23 00:13:15 +01:00
Denys Vlasenko	01eb5e9da1	bc: shrink modular exponentiation code function old new delta zdc_program_modexp 721 694 -27 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-22 23:59:21 +01:00
Denys Vlasenko	1acac7f9c5	bc: do not yet allow 2^2.1 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-22 23:14:48 +01:00
Denys Vlasenko	a9f59db809	bc: avoid having to twiddle b->neg in zbc_num_p() function old new delta zbc_num_ulong_abs - 70 +70 zbc_num_p 424 413 -11 zbc_num_ulong 81 21 -60 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 0/2 up/down: 70/-71) Total: -1 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-22 21:52:30 +01:00
Denys Vlasenko	2ea8ddf8c2	bc: do not disallow powers to N.0000 degree - it's even shorter code function old new delta zbc_num_p 440 424 -16 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-22 21:45:18 +01:00
Denys Vlasenko	1557b76edd	bc: shrink zbc_num_ulong() Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-22 21:37:46 +01:00
Denys Vlasenko	ec74a9c145	bc: make long-running dc drop data it does not need (when it can) function old new delta zbc_vm_process 765 824 +59 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-22 19:23:46 +01:00
Denys Vlasenko	5cf0b2d466	bc: unbreak "z function" macro machinery Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-22 18:24:19 +01:00
Denys Vlasenko	badf683b0a	dc: unbreak interactive mode - was trying to get next tokens instead of executing function old new delta zbc_program_read - 268 +268 zdc_program_printStream - 146 +146 zbc_program_exec 4046 4182 +136 zdc_program_execStr 472 512 +40 zdc_parse_exprs_until_eof - 26 +26 zbc_vm_process 740 765 +25 zbc_lex_next 2225 2240 +15 zdc_parse_expr 569 535 -34 zbc_program_pushArray 147 - -147 zdc_program_asciify 370 - -370 ------------------------------------------------------------------------------ (add/remove: 3/2 grow/shrink: 4/1 up/down: 656/-551) Total: 105 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-22 18:10:50 +01:00
Denys Vlasenko	5daa1a0adf	bc: move zbc_lex_next() out of zdc_parse_string() and zdc_parse_mem() function old new delta zdc_parse_mem 99 93 -6 zdc_parse_expr 586 569 -17 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-23) Total: -23 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-22 16:41:23 +01:00
Denys Vlasenko	7c1c9dc86b	bc: shorten sanity-check code function old new delta zbc_vm_process 745 740 -5 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-22 14:18:47 +01:00
Denys Vlasenko	88fcd5cc6c	bc: fold single-callsite functions into callers, commonalize code function old new delta zbc_vm_process 699 745 +46 zbc_parse_stmt_possibly_auto 1689 1682 -7 bc_parse_reset 113 - -113 ------------------------------------------------------------------------------ (add/remove: 0/1 grow/shrink: 1/1 up/down: 46/-120) Total: -74 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-22 06:00:25 +01:00
Denys Vlasenko	514967df5e	bc: zcommon_parse_expr() has only one user, fold it in function old new delta zbc_program_exec 4021 4046 +25 zdc_parse_expr 589 586 -3 zcommon_parse_expr 28 - -28 ------------------------------------------------------------------------------ (add/remove: 0/1 grow/shrink: 1/1 up/down: 25/-31) Total: -6 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-22 03:38:52 +01:00
Denys Vlasenko	f093e3df2d	bc: zcommon_parse_expr() lost its flags argument function old new delta zcommon_parse_expr - 28 +28 zdc_program_execStr 474 472 -2 zbc_program_exec 4023 4021 -2 common_parse_expr 29 - -29 ------------------------------------------------------------------------------ (add/remove: 1/1 grow/shrink: 0/2 up/down: 28/-33) Total: -5 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-22 02:30:18 +01:00
Denys Vlasenko	39287e0d02	bc: stop using BC_PARSE_NOCALL in dc code function old new delta zdc_program_execStr 465 474 +9 zbc_vm_process 701 699 -2 common_parse_expr 32 29 -3 zdc_parse_expr 615 586 -29 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/3 up/down: 9/-34) Total: -25 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-22 02:23:08 +01:00
Denys Vlasenko	8c1e723596	bc: unbreak read(), remove checks for nested read() function old new delta zbc_parse_pushSTR - 65 +65 common_parse_expr - 32 +32 bc_error_nested_read_call 10 - -10 bc_parse_expr_empty_ok 1977 1963 -14 zdc_parse_expr 635 615 -20 zcommon_parse_expr 32 - -32 zbc_program_exec 4064 4023 -41 bc_parse_pushSTR 65 - -65 ------------------------------------------------------------------------------ (add/remove: 2/3 grow/shrink: 0/3 up/down: 97/-182) Total: -85 bytes text data bss dec hex filename 981661 485 7296 989442 f1902 busybox_old 981540 485 7296 989321 f1889 busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-22 01:34:10 +01:00
Denys Vlasenko	1dc4de9d9b	bc: code shrink function old new delta bc_result_pop_and_push - 73 +73 zbc_program_exec 4068 4064 -4 bc_program_binOpRetire 46 32 -14 zdc_program_assignStr 146 126 -20 zdc_program_asciify 395 370 -25 bc_program_retire 35 7 -28 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 0/5 up/down: 73/-91) Total: -18 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-21 23:13:48 +01:00
Denys Vlasenko	24e4194635	bc: rename BcInstPtr::idx and ::len Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-21 23:01:26 +01:00
Denys Vlasenko	8287b1c869	bc: remove unnecessary initializations function old new delta zdc_program_asciify 403 395 -8 zbc_program_print 691 683 -8 zbc_program_exec 4079 4068 -11 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/3 up/down: 0/-27) Total: -27 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-21 22:43:53 +01:00
Denys Vlasenko	e8e7bda63a	bc: use non-allocated BcNum's where appropriate function old new delta zbc_num_printNum 540 543 +3 zdc_program_asciify 407 403 -4 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/1 up/down: 3/-4) Total: -1 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-21 22:36:04 +01:00
Denys Vlasenko	6ed7fb0a87	bc: optimize bc_vec_push() usage function old new delta bc_parse_pushNUM 87 80 -7 zbc_parse_stmt_possibly_auto 1697 1689 -8 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-15) Total: -15 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-21 22:16:17 +01:00
Denys Vlasenko	19eee8ed7c	bc: fix for() to not leave data on stack function old new delta zbc_parse_stmt_possibly_auto 1665 1697 +32 zbc_vm_process 672 701 +29 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/0 up/down: 61/0) Total: 61 bytes text data bss dec hex filename 981656 485 7296 989437 f18fd busybox_old 981748 485 7296 989529 f1959 busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-21 20:29:34 +01:00
Denys Vlasenko	5d57bc442d	bc: fix infinite state growth for "yes 1 \| bc" case function old new delta zbc_vm_process 585 672 +87 bc_func_init 50 86 +36 zbc_program_num 990 1022 +32 bc_program_str 17 47 +30 bc_program_current_func - 22 +22 bc_parse_pushNUM 66 87 +21 bc_func_free 27 43 +16 zbc_num_binary 145 147 +2 bc_program_reset 64 61 -3 bc_parse_pushSTR 73 65 -8 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 7/2 up/down: 246/-11) Total: 235 bytes text data bss dec hex filename 981393 485 7296 989174 f17f6 busybox_old 981656 485 7296 989437 f18fd busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-21 16:22:26 +01:00
Denys Vlasenko	447dc02c27	bc: fix comment Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-21 00:39:02 +01:00
Denys Vlasenko	52caa007e3	bc: for(;;) fix from upstream Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-21 00:35:22 +01:00
Denys Vlasenko	047154472a	bc: shrink bc_program_add_fn() Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-21 00:10:26 +01:00
Denys Vlasenko	44a99ca617	bc: "dc only" config does not need G.prog.fn_map function old new delta bc_program_add_fn - 43 +43 bc_vm_init 655 675 +20 bc_program_addFunc 138 118 -20 zdc_parse_expr 658 635 -23 zdc_program_asciify 447 407 -40 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 1/3 up/down: 63/-83) Total: -20 bytes text data bss dec hex filename 984739 489 7312 992540 f251c busybox_old 984712 489 7312 992513 f2501 busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-20 20:34:09 +01:00
Denys Vlasenko	5acd14ba5b	bc: fix keyword matching to not think "ifz" is the "if" keyword function old new delta zbc_lex_next 2224 2225 +1 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-20 16:48:50 +01:00
Denys Vlasenko	503faf9d53	bc: shrink "dc only" code by dropping unused structure members function old new delta zbc_program_num 979 981 +2 zbc_program_pushArray 147 145 -2 bc_program_pushVar 198 196 -2 bc_program_func 17 15 -2 dc_num_printChar 24 21 -3 bc_program_retire 35 32 -3 bc_program_binOpRetire 46 43 -3 zdc_program_printStream 153 148 -5 zbc_program_prep 91 86 -5 zbc_program_copyToVar 300 295 -5 zdc_program_modexp 721 715 -6 zbc_program_binOpPrep 311 305 -6 bc_program_addFunc 138 132 -6 bc_num_printNewline 51 45 -6 bc_num_printHex 67 61 -6 bc_num_printDigits 137 131 -6 zdc_program_assignStr 146 137 -9 bc_program_reset 64 55 -9 bc_func_free 27 5 -22 bc_parse_free 38 8 -30 bc_parse_create 92 47 -45 bc_func_init 50 5 -45 dc_main 691 645 -46 zdc_program_execStr 496 442 -54 zbc_program_print 677 623 -54 zbc_vm_process 204 137 -67 zbc_program_exec 4132 4057 -75 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/26 up/down: 2/-522) Total: -520 bytes text data bss dec hex filename 969767 485 7296 977548 eea8c busybox_old 969210 485 7296 976991 ee85f busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-20 16:24:18 +01:00
Denys Vlasenko	eaa3b00002	bc: shorten bc_program_addFunc() function old new delta bc_func_init - 50 +50 bc_program_addFunc 201 138 -63 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 0/1 up/down: 50/-63) Total: -13 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-19 20:05:50 +01:00
Denys Vlasenko	408b7d45f6	bc: fix "dc only" and "bc only" configs Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-19 19:43:03 +01:00
Denys Vlasenko	fa21079183	bc: rename dc-specific functions, simplify zdc_program_execStr() a bit function old new delta zbc_program_execStr 496 - -496 zdc_program_execStr - 491 +491 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-19 19:38:51 +01:00
Denys Vlasenko	44dbe675dd	bc: rename zbc_parse_string->bc_parse_pushSTR, do not emit next opcode in it function old new delta bc_parse_pushSTR - 73 +73 zbc_parse_stmt_possibly_auto 1638 1640 +2 zbc_parse_string 89 - -89 ------------------------------------------------------------------------------ (add/remove: 1/1 grow/shrink: 1/0 up/down: 75/-89) Total: -14 bytes text data bss dec hex filename 981377 485 7296 989158 f17e6 busybox_old 981363 485 7296 989144 f17d8 busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-19 19:10:40 +01:00
Denys Vlasenko	ea5cad2a0d	bc: avoid bc_vec_item() calls in bc_vm_run() function old new delta bc_vm_run 124 112 -12 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-19 18:09:31 +01:00
Denys Vlasenko	eac0de55d6	bc: avoid bc_vec_item() calls in bc_array_copy() function old new delta zbc_program_copyToVar 311 300 -11 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-19 17:59:30 +01:00
Denys Vlasenko	87888ce4d8	bc: avoid successive bc_vec_item(&func->autos, i) function old new delta zbc_func_insert 97 100 +3 zbc_program_call 353 354 +1 zbc_program_exec 4085 4078 -7 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/1 up/down: 4/-7) Total: -3 bytes text data bss dec hex filename 981403 485 7296 989184 f1800 busybox_old 981400 485 7296 989181 f17fd busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-19 17:55:23 +01:00
Denys Vlasenko	f36a0adf8b	bc: remove unnecessary union use Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-19 17:15:04 +01:00
Denys Vlasenko	dfe1dd2031	bc: "unsigned_n > 0" is shorter code than "unsigned_n >= 1" function old new delta zbc_program_print 680 677 -3 zbc_program_exec 4089 4085 -4 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-7) Total: -7 bytes text data bss dec hex filename 981404 485 7296 989185 f1801 busybox_old 981397 485 7296 989178 f17fa busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-19 17:09:01 +01:00
Denys Vlasenko	65e1046abf	bc: open-code bc_parse_updateFunc() macro This clearly shows one place which would need changing for nested funcdefs to work. function old new delta bc_parse_reset 106 110 +4 zbc_vm_process 586 585 -1 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/1 up/down: 4/-1) Total: 3 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-19 15:13:14 +01:00
Denys Vlasenko	684d441f5c	bc: make bc_program_addFunc() return new idx, untangle &p->fidx interaction In: bc_program_addFunc(name, idx); p->func = bc_program_func(p->fidx); in some cases p->fidx was updated by _first_ statement - because passed idx was pointing at it. This was very obscure. function old new delta zdc_parse_expr 653 658 +5 bc_program_addFunc 204 201 -3 zbc_vm_process 594 586 -8 bc_vm_init 663 655 -8 zbc_parse_name 482 472 -10 bc_parse_addFunc 25 - -25 zbc_program_asciify 473 447 -26 ------------------------------------------------------------------------------ (add/remove: 0/1 grow/shrink: 1/5 up/down: 5/-80) Total: -75 bytes text data bss dec hex filename 981482 485 7296 989263 f184f busybox_old 981401 485 7296 989182 f17fe busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-19 14:59:22 +01:00
Denys Vlasenko	085b420220	bc: "reload stack only after insts" change missed a few places Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-19 14:02:59 +01:00
Denys Vlasenko	5aa54830bf	bc: rename a few functions function old new delta bc_map_find_ge - 71 +71 bc_map_find_exact - 50 +50 bc_map_index 50 - -50 bc_map_find 71 - -71 ------------------------------------------------------------------------------ (add/remove: 2/2 grow/shrink: 0/0 up/down: 121/-121) Total: 0 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-19 13:55:53 +01:00
Denys Vlasenko	e3d3d2067d	bc: remove redundant strdup+free in zbc_parse_call() function old new delta zbc_parse_name 527 482 -45 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-45) Total: -45 bytes text data bss dec hex filename 981541 485 7296 989322 f188a busybox_old 981486 485 7296 989267 f1853 busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-19 13:20:02 +01:00
Denys Vlasenko	4796a1d537	bc: delete G.prog.strmb for real Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-19 12:48:16 +01:00
Denys Vlasenko	b80d7aad1b	bc: in execution loop, reload stack only after insts which can change it Only these functions affect G.prog.exestack: zbc_program_read zbc_program_call zbc_program_return zbc_program_nquit zbc_program_execStr function old new delta zbc_program_exec 3995 4093 +98 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/0 up/down: 98/0) Total: 98 bytes text data bss dec hex filename 981364 485 7296 989145 f17d9 busybox_old 981462 485 7296 989243 f183b busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-19 12:35:27 +01:00
Denys Vlasenko	d6e24bd795	bc: simplify bc_array_expand() Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-18 20:10:48 +01:00
Denys Vlasenko	30a8e0c2f9	bc: code shrink function old new delta zbc_program_print 684 680 -4 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-4) Total: -4 bytes text data bss dec hex filename 981368 485 7296 989149 f17dd busybox_old 981364 485 7296 989145 f17d9 busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-18 19:20:04 +01:00
Denys Vlasenko	694d2982e5	bc: code shrink function old new delta bc_program_name 67 63 -4 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-4) Total: -4 bytes text data bss dec hex filename 981372 485 7296 989153 f17e1 busybox_old 981368 485 7296 989149 f17dd busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>	2018-12-18 19:17:11 +01:00

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16272 Commits