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2018-12-05bc: do not allow "()" as a valid expressionDenys Vlasenko
function old new delta bc_parse_expr_empty_ok - 2178 +2178 bc_parse_expr 2178 49 -2129 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 0/1 up/down: 2178/-2129) Total: 49 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-05bc: reorder functions, delete forward declarations, no code changes - part 2Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-05bc: reorder functions, delete forward declarations, no code changesDenys Vlasenko
Pure block moves of text Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-05bc: remove unused stringsDenys Vlasenko
text data bss dec hex filename 987088 485 7296 994869 f2e35 busybox_old 987079 485 7296 994860 f2e2c busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-05bc: trivial simplification in bc_parse_return()Denys Vlasenko
function old new delta bc_parse_stmt 2276 2271 -5 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-05bc: fix "warning: 's' may be used uninitialized in this function"Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-05bc: code shrinkDenys Vlasenko
function old new delta bc_parse_expr 2151 2178 +27 bc_parse_exprs 60 - -60 ------------------------------------------------------------------------------ (add/remove: 0/1 grow/shrink: 2/0 up/down: 27/-60) Total: -33 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-05bc: code shrinkDenys Vlasenko
function old new delta bc_parse_operator 181 184 +3 bc_parse_ops 50 25 -25 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/1 up/down: 3/-25) Total: -22 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-05bc: make division operation interruptibleDenys Vlasenko
function old new delta bc_num_d 564 584 +20 bc_num_r 230 245 +15 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/0 up/down: 35/0) Total: 35 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-05bc: use unsigned division by 10 instead of signedDenys Vlasenko
function old new delta bc_num_k 990 988 -2 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-05bc: move ^C check fro power calculation to multiplicationDenys Vlasenko
function old new delta bc_num_k 971 990 +19 bc_num_p 507 478 -29 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/1 up/down: 19/-29) Total: -10 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-05bc: bc_num_k(): move carry,i,j,len to inner scopeDenys Vlasenko
This might help compiler function old new delta bc_num_k 957 971 +14 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-05bc: tweak error messagesDenys Vlasenko
function old new delta bc_lex_token 1285 1299 +14 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-05bc: fix inverted POSIXness test, improve messages, commonalize message stringsDenys Vlasenko
function old new delta bc_lex_token 1251 1285 +34 bc_POSIX_does_not_allow_bool_ops_this_is_bad - 25 +25 bc_POSIX_does_not_allow_empty_X_expression_in_for - 20 +20 bc_POSIX_does_not_allow - 20 +20 bc_parse_expr 2146 2151 +5 bc_num_ulong 103 92 -11 ------------------------------------------------------------------------------ (add/remove: 3/0 grow/shrink: 2/1 up/down: 104/-11) Total: 93 bytes text data bss dec hex filename 987210 485 7296 994991 f2eaf busybox_old 987084 485 7296 994865 f2e31 busybox_unstripped ^^^^^^^ Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-05bc: print error line numbersDenys Vlasenko
FILE: print 1 print " $ busybox bc -q FILE bc: FILE:2: string end could not be found ready for more input >>> _ function old new delta bc_verror_msg - 99 +99 bc_lex_file 12 28 +16 bc_lex_next 77 92 +15 dc_lex_token 687 701 +14 bc_lex_token 1237 1251 +14 bc_posix_error_fmt 90 58 -32 bc_error_fmt 70 36 -34 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 4/2 up/down: 158/-66) Total: 92 bytes text data bss dec hex filename 987108 485 7296 994889 f2e49 busybox_old 987210 485 7296 994991 f2eaf busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-05bc: optimize pushing zero bytes to vectorsDenys Vlasenko
function old new delta bc_vec_pushZeroByte - 10 +10 bc_vm_run 1919 1917 -2 bc_vec_string 61 59 -2 bc_vec_concat 68 66 -2 bc_parse_create 170 168 -2 bc_lex_number 298 296 -2 dc_lex_token 691 687 -4 bc_read_line 314 303 -11 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 0/7 up/down: 10/-25) Total: -15 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-05bc: restore printing of script name on errorsDenys Vlasenko
Examples: On stdin, no file name is available: $ echo 'print "' | busybox bc bc: string end could not be found When the same error is in file: $ busybox bc FILE bc 1.30.0.git Copyright (c) 2018 Gavin D. Howard and contributors Report bugs at: https://github.com/gavinhoward/bc This is free software with ABSOLUTELY NO WARRANTY FILE: string end could not be found ready for more input >>> Line number printing to be added later... function old new delta bc_error_fmt 38 70 +32 bc_posix_error_fmt 60 90 +30 bc_vm_run 1900 1919 +19 bc_program_read 338 355 +17 bc_lex_file 15 12 -3 bc_program_stdin_name 8 - -8 ------------------------------------------------------------------------------ (add/remove: 0/1 grow/shrink: 4/1 up/down: 98/-11) Total: 87 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-05bc: do not check for errors when parsing/running internal libraryDenys Vlasenko
function old new delta bc_lib_name 4 - -4 bc_vm_run 1921 1900 -21 ------------------------------------------------------------------------------ (add/remove: 0/1 grow/shrink: 0/1 up/down: 0/-25) Total: -25 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-05bc: shrink error handling code by enabling tail-call optimizationDenys Vlasenko
function old new delta bc_posix_error_fmt - 60 +60 bc_error_fmt - 38 +38 bc_error_bad_character - 17 +17 bc_parse_auto 302 313 +11 bc_num_ulong 93 103 +10 bc_error_variable_is_wrong_type - 10 +10 bc_error_stack_has_too_few_elements - 10 +10 bc_error_nested_read_call - 10 +10 bc_error_bad_token - 10 +10 bc_error_bad_expression - 10 +10 bc_num_d 561 564 +3 bc_program_assign 484 486 +2 dc_parse_parse 60 59 -1 bc_program_num 1130 1129 -1 bc_program_call 367 366 -1 bc_parse_stmt 2277 2276 -1 bc_lex_number 299 298 -1 bc_lex_name 91 90 -1 bc_func_insert 98 97 -1 bc_num_shift 74 72 -2 bc_vm_run 1924 1921 -3 bc_parse_endBody 424 420 -4 bc_lex_next 81 77 -4 bc_program_read 343 338 -5 bc_program_asciify 469 464 -5 bc_program_pushVar 221 215 -6 bc_program_print 784 778 -6 bc_program_prep 99 93 -6 bc_program_assignStr 167 161 -6 bc_parse_else 143 137 -6 bc_parse_body 124 118 -6 dc_parse_register 61 53 -8 dc_lex_token 699 691 -8 bc_program_modexp 756 746 -10 bc_parse_name 593 581 -12 dc_parse_expr 775 762 -13 bc_program_copyToVar 336 323 -13 bc_program_binOpPrep 324 311 -13 bc_program_execStr 561 543 -18 bc_program_exec 4150 4132 -18 bc_parse_parse 483 464 -19 bc_error 38 14 -24 bc_lex_token 1266 1237 -29 bc_posix_error 60 14 -46 bc_parse_expr 2194 2146 -48 ------------------------------------------------------------------------------ (add/remove: 8/0 grow/shrink: 4/33 up/down: 191/-345) Total: -154 bytes text data bss dec hex filename 987226 485 7296 995007 f2ebf busybox_old 987072 485 7296 994853 f2e25 busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-05bc: make 2^1000000 interruptible fasterDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-05bc: remove tabs from internal libraryDenys Vlasenko
function old new delta bc_lib 1877 1674 -203 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-05bc: store library in ASCII, shrink keyword parsing codeDenys Vlasenko
Also, use ARRAY_SIZE() where appropriate function old new delta bc_lib 1878 1877 -1 bc_program_index 66 64 -2 bc_lex_token 1282 1266 -16 bc_lex_kws 220 160 -60 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/4 up/down: 0/-79) Total: -79 bytes text data bss dec hex filename 987518 485 7296 995299 f2fe3 busybox_old 987440 485 7296 995221 f2f95 busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-05bc: drop bc_map_init() macroDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-05bc: create a few common functionsDenys Vlasenko
function old new delta bc_char_vec_init - 12 +12 bc_vec_pop_all - 8 +8 bc_program_index 64 66 +2 bc_vec_string 64 61 -3 bc_vec_free 27 24 -3 bc_read_line 317 314 -3 bc_program_execStr 564 561 -3 bc_program_exec 4153 4150 -3 bc_program_copyToVar 340 336 -4 bc_parse_create 175 170 -5 dc_lex_token 705 699 -6 bc_program_reset 78 72 -6 bc_lex_number 305 299 -6 bc_program_read 353 343 -10 bc_program_addFunc 225 209 -16 bc_vm_run 1942 1924 -18 bc_parse_reset 181 163 -18 ------------------------------------------------------------------------------ (add/remove: 2/0 grow/shrink: 1/14 up/down: 22/-104) Total: -82 bytes text data bss dec hex filename 987600 485 7296 995381 f3035 busybox_old 987518 485 7296 995299 f2fe3 busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-05bc: rewrite "BOOL * EXPR" idiom as if() statementDenys Vlasenko
function old new delta bc_program_index 66 64 -2 bc_program_num 1147 1130 -17 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-19) Total: -19 bytes text data bss dec hex filename 987619 485 7296 995400 f3048 busybox_old 987600 485 7296 995381 f3035 busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-05bc: switch to SA_RESTART signal handlingDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-05bc: get rid of G.tty and G.flagsDenys Vlasenko
G.flags == option_mask32 function old new delta bc_args 97 120 +23 dc_main 48 49 +1 bc_main 48 49 +1 bc_error 42 38 -4 bc_posix_error 65 60 -5 bc_read_line 325 317 -8 dc_lex_token 714 705 -9 bc_vm_run 2039 1942 -97 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 3/5 up/down: 25/-123) Total: -98 bytes text data bss dec hex filename 987717 485 7296 995498 f30aa busybox_old 987619 485 7296 995400 f3048 busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-05bc: convert all status codes, remove bc_err_msgs[], bc_vm_error(), ↵Denys Vlasenko
bc_vm_posixError() function old new delta bc_posix_error - 65 +65 bc_vm_run 1995 2039 +44 bc_err_line 7 - -7 bc_num_ulong 103 93 -10 bc_parse_parse 495 483 -12 bc_err_fmt 12 - -12 bc_warn_fmt 14 - -14 bc_parse_expr 2210 2194 -16 bc_program_reset 105 78 -27 bc_vm_process 130 94 -36 bc_parse_stmt 2313 2277 -36 bc_err_msgs 60 - -60 bc_lex_token 1367 1282 -85 bc_vm_error 143 - -143 bc_vm_posixError 189 - -189 ------------------------------------------------------------------------------ (add/remove: 1/6 grow/shrink: 1/7 up/down: 109/-647) Total: -538 bytes text data bss dec hex filename 988258 485 7296 996039 f32c7 busybox_old 987717 485 7296 995498 f30aa busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-05bc: convert all non-POSIX BC_STATUS_foo codesDenys Vlasenko
function old new delta bc_program_asciify - 469 +469 bc_parse_parse 432 495 +63 dc_parse_expr 727 775 +48 bc_vm_run 1955 1995 +40 bc_program_num 1115 1147 +32 bc_program_binOpPrep 296 324 +28 static.msg - 24 +24 bc_parse_name 570 593 +23 bc_lex_token 1344 1367 +23 dc_lex_token 695 714 +19 bc_num_ulong 85 103 +18 bc_program_read 336 353 +17 dc_parse_parse 47 60 +13 bc_parse_stmt 2301 2313 +12 bc_parse_auto 291 302 +11 bc_program_prep 89 99 +10 bc_lex_next 71 81 +10 dc_parse_register 52 61 +9 bc_program_print 775 784 +9 bc_func_insert 89 98 +9 bc_program_assignStr 159 167 +8 bc_program_assign 476 484 +8 bc_parse_body 116 124 +8 bc_lex_name 83 91 +8 bc_program_pushVar 215 221 +6 bc_parse_text 141 147 +6 bc_num_shift 68 74 +6 bc_num_p 472 478 +6 bc_program_execStr 559 564 +5 bc_parse_else 139 143 +4 bc_lex_number 301 305 +4 bc_num_d 558 561 +3 bc_parse_endBody 422 424 +2 bc_num_r 231 230 -1 bc_program_copyToVar 343 340 -3 bc_program_call 372 367 -5 bc_parse_expr 2215 2210 -5 bc_program_modexp 763 756 -7 bc_err_msgs 164 60 -104 bc_program_pushArray 136 - -136 bc_program_exec 4453 4153 -300 ------------------------------------------------------------------------------ (add/remove: 2/1 grow/shrink: 31/7 up/down: 961/-561) Total: 400 bytes text data bss dec hex filename 987766 485 7296 995547 f30db busybox_old 988258 485 7296 996039 f32c7 busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-05bc: convert BC_STATUS_EXEC_SIGNAL - its message string was never usedDenys Vlasenko
function old new delta bc_vm_process 132 130 -2 bc_err_msgs 168 164 -4 dc_parse_parse 52 47 -5 bc_parse_reset 187 181 -6 bc_program_ready_msg 22 - -22 bc_program_exec 4478 4453 -25 bc_parse_parse 461 432 -29 bc_program_reset 159 105 -54 ------------------------------------------------------------------------------ (add/remove: 0/1 grow/shrink: 0/7 up/down: 0/-147) Total: -147 bytes text data bss dec hex filename 987923 485 7296 995704 f3178 busybox_old 987766 485 7296 995547 f30db busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-05bc: convert BC_STATUS_PARSE_NO_AUTODenys Vlasenko
function old new delta bc_parse_auto 275 291 +16 bc_err_msgs 172 168 -4 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/1 up/down: 16/-4) Total: 12 bytes text data bss dec hex filename 987911 485 7296 995692 f316c busybox_old 987923 485 7296 995704 f3178 busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-05bc: convert BC_STATUS_EXEC_MISMATCHED_PARAMS and BC_STATUS_EXEC_UNDEFINED_FUNCDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-05bc: BC_STATUS_VEC_ITEM_EXISTS is not a real error code, its message was ↵Denys Vlasenko
never used It was only used to indicate rusult of bc_map_insert() - did we insert, or did we find that this key is already in the map? function old new delta bc_map_insert 142 145 +3 bc_program_addFunc 226 225 -1 bc_err_msgs 184 180 -4 bc_program_search 152 143 -9 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/3 up/down: 3/-14) Total: -11 bytes text data bss dec hex filename 987904 485 7296 995685 f3165 busybox_old 987873 485 7296 995654 f3146 busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-05bc: simplify bc_lex_comment()Denys Vlasenko
function old new delta bc_lex_token 1369 1344 -25 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-05bc: handle BIN_FILE and LEX_BAD_CHAR errors at the site of detectionDenys Vlasenko
The most informative message can be generated at the location where error is detected. The "error codes" are stupid: print error meesage immediately, then just return "there was an error" indicator. All error codes will be converted. For now, converting these two. For now, this and following changes will degrade error messages quality. For example, file name and line number printouts may be lost. This will be re-added later. This change anlso fixes handling of invalid stdin input: this used to cause interactive bc to exit: .... >>> ς bc: illegal character 0xcf bc: illegal character 0x82 >>> _ function old new delta bc_error - 42 +42 bc_lex_token 1333 1369 +36 dc_lex_token 675 695 +20 bc_read_line 311 325 +14 bc_num_a 456 454 -2 bc_err_msgs 188 184 -4 bc_num_ulong 95 85 -10 bc_vm_run 1984 1955 -29 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 3/4 up/down: 112/-45) Total: 67 bytes text data bss dec hex filename 987828 485 7296 995609 f3119 busybox_old 987929 485 7296 995710 f317e busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-05bc: eliminate BC_STATUS_INPUT_EOFDenys Vlasenko
function old new delta fflush_and_check - 36 +36 bc_num_a 445 456 +11 bc_num_ulong 85 95 +10 bc_vm_run 1978 1984 +6 bc_num_s 246 252 +6 bc_err_msgs 192 188 -4 quit 38 32 -6 bc_vm_process 139 132 -7 bc_program_reset 172 159 -13 bc_parse_create 192 175 -17 bc_read_line 349 311 -38 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 4/6 up/down: 69/-85) Total: -16 bytes text data bss dec hex filename 987844 485 7296 995625 f3129 busybox_old 987828 485 7296 995609 f3119 busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-05bc: handle "limits" and "quit" immediately at parse timeDenys Vlasenko
No need to propagate a special exit code. function old new delta bc_parse_stmt 2197 2301 +104 quit - 38 +38 bc_read_line 344 349 +5 bc_program_reset 174 172 -2 bc_num_s 252 246 -6 bc_num_a 454 445 -9 bc_parse_parse 471 461 -10 bc_num_ulong 95 85 -10 bc_program_exec 4500 4478 -22 bc_vm_run 2006 1978 -28 bc_vm_process 291 139 -152 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 2/8 up/down: 147/-239) Total: -92 bytes text data bss dec hex filename 987936 485 7296 995717 f3185 busybox_old 987844 485 7296 995625 f3129 busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-05bc": drop unused error codes and stringsDenys Vlasenko
function old new delta bc_err_msgs 216 192 -24 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-24) Total: -24 bytes text data bss dec hex filename 988122 485 7296 995903 f323f busybox_old 987936 485 7296 995717 f3185 busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-05bc: remove "error ids": serve no useful purpose, error message should be ↵Denys Vlasenko
explanatory enough function old new delta bc_warn_fmt 17 14 -3 bc_err_fmt 15 12 -3 bc_vm_posixError 205 189 -16 bc_vm_error 156 138 -18 bc_errs 28 - -28 bc_err_ids 58 - -58 ------------------------------------------------------------------------------ (add/remove: 0/2 grow/shrink: 0/4 up/down: 0/-126) Total: -126 bytes text data bss dec hex filename 988288 485 7296 996069 f32e5 busybox_old 988122 485 7296 995903 f323f busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-05bc: reduce forward declarationsDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-05bc: use smaller datatypes for limits, match GNU bc 'limits' outputDenys Vlasenko
function old new delta bc_vm_process 315 291 -24 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-24) Total: -24 bytes text data bss dec hex filename 988303 485 7296 996084 f32f4 busybox_old 988273 485 7296 996054 f32d6 busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-05bc: better handle optional args of bc_program_pushVar()Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-05bc: tweak help textDenys Vlasenko
-v is supported but not shown Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-05bc: simplify bc_vm_stdin()Denys Vlasenko
function old new delta bc_vm_run 2020 2006 -14 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-05bc: only check for ^C in bc_program_exec() main loopDenys Vlasenko
Checking it in individual operations such as SQRT is not necessary since they usually do not take very long to complete. We repeatedly return to main loop. TODO: re-add more fine-grained ^C checks - but only with examples where it is actually needed. E.g. I suspect simplest ops like addition or compare won't need it. function old new delta bc_program_index 66 64 -2 bc_num_s 258 246 -12 bc_num_cmp 294 275 -19 bc_num_compare 84 59 -25 bc_num_subArrays 74 47 -27 bc_num_a 474 445 -29 bc_program_exec 4530 4500 -30 bc_num_p 518 472 -46 bc_num_d 604 558 -46 bc_num_k 1005 957 -48 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/10 up/down: 0/-284) Total: -284 bytes text data bss dec hex filename 988601 485 7296 996382 f341e busybox_old 988317 485 7296 996098 f3302 busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-05bc: simpler calling convention for bc_read_file(), bc_program_search()Denys Vlasenko
function old new delta bc_vm_run 1854 2020 +166 bc_program_assign 482 476 -6 bc_program_pushVar 225 215 -10 bc_program_call 366 356 -10 bc_program_num 1126 1115 -11 bc_program_copyToVar 354 343 -11 bc_program_search 164 152 -12 bc_program_execStr 573 559 -14 bc_program_exec 4544 4530 -14 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/8 up/down: 166/-88) Total: 78 bytes text data bss dec hex filename 988523 485 7296 996304 f33d0 busybox_old 988601 485 7296 996382 f341e busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-05bc: bc_num_ulong2num(), bc_program_pushGlobal(), bc_program_stackLen() never ↵Denys Vlasenko
fail function old new delta bc_num_ulong2num 66 62 -4 bc_num_printNum 572 563 -9 bc_program_exec 4562 4544 -18 bc_program_num 1147 1126 -21 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/4 up/down: 0/-52) Total: -52 bytes text data bss dec hex filename 988575 485 7296 996356 f3404 busybox_old 988523 485 7296 996304 f33d0 busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-05bc: stop passing around pointers to G.prog, they are all constantDenys Vlasenko
function old new delta bc_program_exec 4523 4562 +39 bc_program_assign 450 482 +32 bc_program_assignStr 131 159 +28 bc_program_print 762 775 +13 bc_program_num 1134 1147 +13 bc_program_search 154 164 +10 bc_num_ulong 85 95 +10 dc_parse_expr 719 727 +8 bc_program_retire 34 40 +6 bc_program_reset 168 174 +6 bc_program_binOpRetire 50 56 +6 bc_program_addFunc 220 226 +6 bc_program_prep 88 89 +1 dc_parse_init 18 17 -1 bc_program_copyToVar 355 354 -1 bc_parse_text 142 141 -1 bc_parse_number 88 87 -1 bc_parse_init 18 17 -1 bc_parse_endBody 423 422 -1 common_parse_init 29 26 -3 bc_parse_string 103 100 -3 bc_parse_addFunc 44 41 -3 bc_program_call 371 366 -5 bc_program_binOpPrep 301 296 -5 bc_program_read 342 336 -6 bc_parse_create 198 192 -6 bc_program_pushArray 143 136 -7 bc_parse_reset 194 187 -7 bc_vm_process 323 315 -8 bc_program_pushVar 236 225 -11 bc_vm_run 1872 1854 -18 bc_parse_name 590 570 -20 bc_program_execStr 594 573 -21 bc_program_modexp 793 763 -30 bc_program_printStream 172 - -172 ------------------------------------------------------------------------------ (add/remove: 0/1 grow/shrink: 13/21 up/down: 178/-331) Total: -153 bytes text data bss dec hex filename 988728 485 7296 996509 f349d busybox_old 988575 485 7296 996356 f3404 busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-05bc: select parse_init() and parse_expr() using IS_BC, not function pointersDenys Vlasenko
function old new delta common_parse_expr - 62 +62 common_parse_init - 29 +29 dc_parse_parse 53 52 -1 dc_parse_expr 723 719 -4 bc_program_execStr 606 594 -12 dc_parse_init 33 18 -15 bc_parse_init 33 18 -15 bc_parse_expression 39 - -39 bc_vm_run 1923 1872 -51 ------------------------------------------------------------------------------ (add/remove: 2/1 grow/shrink: 0/6 up/down: 91/-137) Total: -46 bytes text data bss dec hex filename 988774 485 7296 996555 f34cb busybox_old 988728 485 7296 996509 f349d busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-05bc: propagate fixed arguments into calleesDenys Vlasenko
Looks like there is only one "BcProgram" object, &G.prog. function old new delta bc_program_exec 4401 4523 +122 bc_program_execStr 579 606 +27 bc_program_read 323 342 +19 bc_args 83 97 +14 bc_vm_process 327 323 -4 bc_num_ulong 95 85 -10 dc_main 62 48 -14 bc_main 62 48 -14 bc_vm_run 2317 1923 -394 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 4/5 up/down: 182/-436) Total: -254 bytes text data bss dec hex filename 989028 485 7296 996809 f35c9 busybox_old 988774 485 7296 996555 f34cb busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-05 17:08:57 +0000