diff options
-rw-r--r-- | filter/Makefile | 7 | ||||
-rw-r--r-- | filter/decl.m4 | 125 | ||||
-rw-r--r-- | filter/dump.m4 | 51 | ||||
-rw-r--r-- | filter/filter.c | 30 | ||||
-rw-r--r-- | filter/filter.h | 15 | ||||
-rw-r--r-- | nest/a-set.c | 13 | ||||
-rw-r--r-- | nest/attrs.h | 8 |
7 files changed, 123 insertions, 126 deletions
diff --git a/filter/Makefile b/filter/Makefile index df7ff3f9..e3b7ec26 100644 --- a/filter/Makefile +++ b/filter/Makefile @@ -22,11 +22,10 @@ $(o)inst-gen.h: $(s)decl.m4 $(s)f-inst.c $(objdir)/.dir-stamp $(o)inst-gen.c: $(s)decl.m4 $(s)f-inst.c $(objdir)/.dir-stamp $(M4) $(M4FLAGS_FILTERS) -DTARGET=C -P $^ >$@ -$(o)f-inst-dump.c: $(s)dump.m4 $(s)f-inst.c $(objdir)/.dir-stamp - $(M4) $(M4FLAGS_FILTERS) -P $^ >$@ - -$(o)filter.o: $(o)f-inst-interpret.c $(o)f-inst-postfixify.c $(o)f-inst-same.c $(o)f-inst-dump.c $(o)inst-gen.h +$(o)filter.o: $(o)f-inst-interpret.c $(o)f-inst-postfixify.c $(o)f-inst-same.c $(o)inst-gen.h tests_src := tree_test.c filter_test.c trie_test.c tests_targets := $(tests_targets) $(tests-target-files) tests_objs := $(tests_objs) $(src-o-files) + +$(call clean,inst-gen.h inst-gen.c) diff --git a/filter/decl.m4 b/filter/decl.m4 index 9c35677e..6199d4be 100644 --- a/filter/decl.m4 +++ b/filter/decl.m4 @@ -10,6 +10,8 @@ m4_divert(-1)m4_dnl # Global Diversions: # 4 enum fi_code # 5 enum fi_code to string +# 6 dump line item +# 7 dump line item callers # 1 struct f_inst_FI_... # 2 union in struct f_inst # 3 constructors @@ -18,8 +20,10 @@ m4_divert(-1)m4_dnl # 101 content of struct f_inst_FI_... # 102 constructor arguments # 103 constructor body +# 104 dump line item content # -# Put-around Diversions: 9xx +# Diversions for TARGET=C: 8xx +# Diversions for TARGET=H: 9xx # Flush the completed instruction m4_define(FID_END, `m4_divert(-1)') @@ -32,10 +36,13 @@ m4_define(FID_UNION, `FID_ZONE(2, Union member)') m4_define(FID_NEW, `FID_ZONE(3, Constructor)') m4_define(FID_ENUM, `FID_ZONE(4, Code enum)') m4_define(FID_ENUM_STR, `FID_ZONE(5, Code enum to string)') +m4_define(FID_DUMP, `FID_ZONE(6, Dump line)') +m4_define(FID_DUMP_CALLER, `FID_ZONE(7, Dump line caller)') m4_define(FID_STRUCT_IN, `m4_divert(101)') m4_define(FID_NEW_ARGS, `m4_divert(102)') m4_define(FID_NEW_BODY, `m4_divert(103)') +m4_define(FID_DUMP_BODY, `m4_divert(104)m4_define(FID_DUMP_BODY_EXISTS)') m4_define(FID_ALL, `m4_ifdef([[FID_CURDIV]], [[m4_divert(FID_CURDIV)m4_undefine([[FID_CURDIV]])]])') m4_define(FID_C, `m4_ifelse(TARGET, [[C]], FID_ALL, [[m4_define(FID_CURDIV, m4_divnum)m4_divert(-1)]])') @@ -57,7 +64,9 @@ FID_NEW struct f_inst *f_new_inst_]]INST_NAME()[[(enum f_instruction_code fi_code m4_undivert(102) ) -FID_H ; FID_C +FID_H +; +FID_C { struct f_inst *what_ = cfg_allocz(sizeof(struct f_inst)); what_->fi_code = fi_code; @@ -67,6 +76,19 @@ FID_H ; FID_C m4_undivert(103) return what_; } + +FID_DUMP_CALLER +case INST_NAME(): f_dump_line_item_]]INST_NAME()[[(item, indent + 1); break; + +FID_DUMP +m4_ifdef([[FID_DUMP_BODY_EXISTS]], +[[static inline void f_dump_line_item_]]INST_NAME()[[(const struct f_line_item *item, const int indent)]] +, +[[static inline void f_dump_line_item_]]INST_NAME()[[(const struct f_line_item *item UNUSED, const int indent UNUSED)]]) +m4_undefine([[FID_DUMP_BODY_EXISTS]]) +{ +m4_undivert(104) +} FID_ALL FID_END ]])') @@ -80,23 +102,32 @@ FID_NEW_ARGS , $1 $2 FID_NEW_BODY what->$2 = $2; +m4_ifelse($3,,,[[ +FID_DUMP_BODY +debug("%s$3\n", INDENT, $4); +]]) FID_END') -m4_define(ARG, `FID_MEMBER(const struct f_inst *, f$1) +m4_define(ARG, `FID_MEMBER(const struct f_inst *, f$1,,) FID_NEW_BODY for (const struct f_inst *child = f$1; child; child = child->next) what_->size += child->size; FID_END') -m4_define(ARG_ANY, `FID_MEMBER(const struct f_inst *, f$1) +m4_define(ARG_ANY, `FID_MEMBER(const struct f_inst *, f$1,,) FID_NEW_BODY for (const struct f_inst *child = f$1; child; child = child->next) what_->size += child->size; FID_END') -m4_define(LINE, `FID_MEMBER(const struct f_inst *, f$1)') +m4_define(LINE, `FID_MEMBER(const struct f_inst *, f$1,,) +FID_DUMP_BODY +f_dump_line(item->lines[$2], indent + 1); +FID_END') m4_define(LINEP, `FID_STRUCT_IN const struct f_line *fl$1; +FID_DUMP_BODY +f_dump_line(item->lines[$2], indent + 1) FID_END') -m4_define(SYMBOL, `FID_MEMBER(const struct symbol *, sym)') -m4_define(VALI, `FID_MEMBER(struct f_val, vali)') -m4_define(VALP, `FID_MEMBER(const struct f_val *, valp)') +m4_define(SYMBOL, `FID_MEMBER(const struct symbol *, sym, symbol %s, item->sym->name)') +m4_define(VALI, `FID_MEMBER(struct f_val, vali, value %s, val_dump(&item->val))') +m4_define(VALP, `FID_MEMBER(const struct f_val *, valp, value %s, val_dump(&item->val))') m4_define(VAR, `m4_dnl FID_STRUCT_IN const struct f_val *valp; @@ -105,39 +136,33 @@ FID_NEW_ARGS , const struct symbol *sym FID_NEW_BODY what->valp = (what->sym = sym)->def; +FID_DUMP_BODY +debug("%svariable %s with value %s\n", INDENT, item->sym->name, val_dump(item->vp)); FID_END') -m4_define(FRET, `FID_MEMBER(enum filter_return, fret)') -m4_define(ECS, `FID_MEMBER(enum ec_subtype, ecs)') -m4_define(RTC, `FID_MEMBER(const struct rtable_config *, rtc)') +m4_define(FRET, `FID_MEMBER(enum filter_return, fret, %s, filter_return_str(item->fret))') +m4_define(ECS, `FID_MEMBER(enum ec_subtype, ecs, ec subtype %s, ec_subtype_str(item->ecs))') +m4_define(RTC, `FID_MEMBER(const struct rtable_config *, rtc, route table %s, item->rtc->name)') m4_define(STATIC_ATTR, `FID_MEMBER(struct f_static_attr, sa)') m4_define(DYNAMIC_ATTR, `FID_MEMBER(struct f_dynamic_attr, da)') -m4_define(COUNT, `FID_MEMBER(uint, count)') -m4_define(TREE, `FID_MEMBER(const struct f_tree *, tree)') -m4_define(STRING, `FID_MEMBER(const char *, s)') +m4_define(COUNT, `FID_MEMBER(uint, count, number %u, item->count)') +m4_define(TREE, `FID_MEMBER(const struct f_tree *, tree, tree %p, item->tree)') +m4_define(STRING, `FID_MEMBER(const char *, s, string \"%s\", item->s)') + +m4_define(FID_WR_PUT_LIST) +m4_define(FID_WR_DROP_LIST) + +m4_define(FID_WR_IPUT, `m4_define([[FID_WR_CUR_DIRECT]], m4_eval(FID_WR_CUR_DIRECT + 1))m4_define([[FID_WR_PUT_LIST]], FID_WR_PUT_LIST[[]]FID_WR_DPUT($1)FID_WR_DPUT(FID_WR_CUR_DIRECT))m4_divert(FID_WR_CUR_DIRECT)') +m4_define(FID_WR_IDROP, `m4_define([[FID_WR_CUR_DIRECT]], m4_eval(FID_WR_CUR_DIRECT + 1))m4_define([[FID_WR_DROP_LIST]], FID_WR_DROP_LIST[[]]FID_WR_DPUT($1)FID_WR_DPUT(FID_WR_CUR_DIRECT))m4_divert(FID_WR_CUR_DIRECT)') -m4_define(FID_WR_UNDIVERT_LIST,FID_WR_DPUT(900)) -m4_define(FID_WR_CUR_DIRECT,900) -m4_define(FID_WR_PUT, `m4_ifelse(1, m4_eval(m4_divnum > -1), [[m4_divert(-1) - m4_define([[FID_WR_CUR_DIRECT]], m4_eval(FID_WR_CUR_DIRECT + 1)) - m4_define([[FID_WR_UNDIVERT_LIST]], FID_WR_UNDIVERT_LIST[[]]/* wrput $1 */FID_WR_DPUT($1)/* wrputdir FID_WR_CUR_DIRECT */FID_WR_DPUT(FID_WR_CUR_DIRECT)) - m4_divert(FID_WR_CUR_DIRECT)]], [[m4_define([[FID_WR_UNDIVERT_LIST]], FID_WR_UNDIVERT_LIST[[]]/* wrdrop $1 */FID_WR_DROP($1))]])') +m4_define(FID_WR_DIRECT, `m4_define([[FID_WR_CUR_DIRECT]],$1)m4_ifelse(TARGET,[[$2]],[[m4_define([[FID_WR_PUT]], [[FID_WR_IPUT($]][[@)]])m4_define([[FID_WR_PUT_LIST]],FID_WR_PUT_LIST[[]]FID_WR_DPUT($1))]],[[m4_define([[FID_WR_PUT]], [[FID_WR_IDROP($]][[@)]])m4_define([[FID_WR_DROP_LIST]],FID_WR_DROP_LIST[[]]FID_WR_DPUT($1))]])m4_divert($1)') +m4_dnl m4_define(FID_WR_CUR_DIRECT,m4_ifelse(TARGET,`C',800,TARGET,`H',900,m4_errprint(`Bad TARGET: 'TARGET)m4_m4exit(1))) m4_changequote([[,]]) -m4_divert(900) -FID_C +FID_WR_DIRECT(800,C) #include "nest/bird.h" #include "filter/filter.h" #include "filter/f-inst.h" -FID_H - -/* Filter instruction codes */ -enum f_instruction_code { -FID_WR_PUT(4) -}; - -FID_C - /* Instruction codes to string */ static const char * const f_instruction_name_str[] = { FID_WR_PUT(5) @@ -152,7 +177,39 @@ f_instruction_name(enum f_instruction_code fi) bug("Got unknown instruction code: %d", fi); } -FID_H +/* Instruction constructors */ +FID_WR_PUT(3) + +/* Line dumpers */ +#define INDENT (((const char *) f_dump_line_indent_str) + sizeof(f_dump_line_indent_str) - (indent) - 1) +static const char f_dump_line_indent_str[] = " "; +void f_dump_line(const struct f_line *dest, int indent); + +FID_WR_PUT(6) + +void f_dump_line(const struct f_line *dest, int indent) +{ + if (!dest) { + debug("%sNo filter line (NULL)\n", INDENT); + return; + } + debug("%sFilter line %p (len=%u)\n", INDENT, dest, dest->len); + for (uint i=0; i<dest->len; i++) { + const struct f_line_item *item = &dest->items[i]; + debug("%sInstruction %s at line %u\n", INDENT, f_instruction_name(item->fi_code), item->lineno); + switch (item->fi_code) { +FID_WR_PUT(7) + default: bug("Unknown instruction %x in f_dump_line", item->fi_code); + } + } + debug("%sFilter line %p dump done\n", INDENT, dest); +} + +FID_WR_DIRECT(900,H) +/* Filter instruction codes */ +enum f_instruction_code { +FID_WR_PUT(4) +}; /* Per-instruction structures */ FID_WR_PUT(1) @@ -167,12 +224,12 @@ struct f_inst { }; }; -FID_ALL /* Instruction constructors */ FID_WR_PUT(3) + m4_divert(-1) m4_changequote(`,') -m4_m4wrap(`INST_FLUSH()m4_define(FID_WR_DPUT, [[m4_undivert($1)]])m4_define(FID_WR_DROP, [[m4_divert(-1)m4_undivert($1)m4_divert(0)]])m4_divert(0)FID_WR_UNDIVERT_LIST[[]]m4_divert(-1)') +m4_m4wrap(`INST_FLUSH()m4_define(FID_WR_DPUT, [[m4_undivert($1)]])m4_divert(0)FID_WR_PUT_LIST[[]]m4_divert(-1)FID_WR_DROP_LIST[[]]') m4_changequote([[,]]) diff --git a/filter/dump.m4 b/filter/dump.m4 deleted file mode 100644 index 4ea3e3be..00000000 --- a/filter/dump.m4 +++ /dev/null @@ -1,51 +0,0 @@ -m4_divert(-1)m4_dnl -# -# BIRD -- Dumping instruction lines -# -# (c) 2018 Maria Matejka <mq@jmq.cz> -# -# Can be freely distributed and used under the terms of the GNU GPL. -# - -# Common aliases -m4_define(DNL, `m4_dnl') - -m4_define(INST_FLUSH, `m4_ifdef([[INST_NAME]], [[ -m4_divert(1) -case INST_NAME(): -m4_undivert(2) -break; -m4_divert(-1) -]])') -m4_define(INST, `INST_FLUSH()m4_define([[INST_NAME]], [[$1]])') - -m4_define(LINE, `m4_divert(2)f_dump_line(item->lines[$2], indent + 1); -m4_divert(-1)') -m4_define(LINEP, `LINE($@)') -m4_define(SYMBOL, `m4_divert(2)debug("%ssymbol %s\n", INDENT, item->sym->name); -m4_divert(-1)') -m4_define(VALI, `m4_divert(2)debug("%svalue %s\n", INDENT, val_dump(&item->val)); -m4_divert(-1)') -m4_define(VAR, `m4_divert(2)debug("%svar %s: value %s\n", INDENT, item->sym->name, val_dump(item->vp)); -m4_divert(-1)') -m4_define(FRET, `m4_divert(2)debug("%sfilter return value %d\n", INDENT, item->fret); -m4_divert(-1)') -m4_define(ECS, `m4_divert(2)debug("%sec subtype %d\n", INDENT, item->ecs); -m4_divert(-1)') -m4_define(RTC, `m4_divert(2)debug("%sroute table %s\n", INDENT, item->rtc->name); -m4_divert(-1)') -m4_define(STATIC_ATTR, `m4_divert(2)debug("%sstatic attribute %u/%u/%u\n", INDENT, item->sa.f_type, item->sa.sa_code, item->sa.readonly); -m4_divert(-1)') -m4_define(DYNAMIC_ATTR, `m4_divert(2)debug("%sdynamic attribute %u/%u/%u/%u\n", INDENT, item->da.type, item->da.bit, item->da.f_type, item->da.ea_code); -m4_divert(-1)') -m4_define(DUMP, `m4_divert(2)$1m4_divert(-1)') - -m4_m4wrap(` -INST_FLUSH() -m4_divert(0)DNL -m4_undivert(1) - -default: bug( "Unknown instruction %d (%c)", item->fi_code, item->fi_code & 0xff); -') - -m4_changequote([[,]]) diff --git a/filter/filter.c b/filter/filter.c index ebd2e4dc..f08c91db 100644 --- a/filter/filter.c +++ b/filter/filter.c @@ -112,34 +112,6 @@ val_format_str(struct filter_state *fs, struct f_val *v) { static struct tbf rl_runtime_err = TBF_DEFAULT_LOG_LIMITS; -#define INDENT (((const char *) f_dump_line_indent_str) + sizeof(f_dump_line_indent_str) - (indent) - 1) -static const char f_dump_line_indent_str[] = " "; - -static void f_dump_line(const struct f_line *dest, int indent); - -static void -f_dump_line_item(const struct f_line_item *item, int indent) -{ - debug("%sInstruction %s at line %u\n", INDENT, f_instruction_name(item->fi_code), item->lineno); - switch (item->fi_code) { -#include "filter/f-inst-dump.c" - } -} - -static void -f_dump_line(const struct f_line *dest, int indent) -{ - if (!dest) { - debug("%sNo filter line (NULL)\n", INDENT); - return; - } - debug("%sFilter line %p (len=%u)\n", INDENT, dest, dest->len); - for (uint i=0; i<dest->len; i++) - f_dump_line_item(&dest->items[i], indent+1); - debug("%sFilter line %p dump done\n", INDENT, dest); -#undef INDENT -} - static uint postfixify(struct f_line *dest, const struct f_inst *what_, uint pos) { @@ -166,7 +138,7 @@ f_postfixify_concat(const struct f_inst * const inst[], uint count) out->len = postfixify(out, inst[i], out->len); #if DEBUGGING - f_dump_line(out, 0); +// f_dump_line(out, 0); #endif return out; } diff --git a/filter/filter.h b/filter/filter.h index 9f1a8e50..d03c6438 100644 --- a/filter/filter.h +++ b/filter/filter.h @@ -27,6 +27,21 @@ enum filter_return { F_QUITBIRD, }; +static inline const char *filter_return_str(const enum filter_return fret) { + switch (fret) { +#define FRS(x) case x: return #x + FRS(F_NOP); + FRS(F_NONL); + FRS(F_RETURN); + FRS(F_ACCEPT); + FRS(F_REJECT); + FRS(F_ERROR); + FRS(F_QUITBIRD); +#undef FRS + default: bug("This shall not happen"); + } +} + struct f_val; /* The filter encapsulating structure to be pointed-to from outside */ diff --git a/nest/a-set.c b/nest/a-set.c index 10ddd139..78922ffd 100644 --- a/nest/a-set.c +++ b/nest/a-set.c @@ -72,15 +72,12 @@ ec_format(byte *buf, u64 ec) char tbuf[16], *kind; type = ec >> 48; - switch (type & 0xf0ff) - { - case EC_RT: kind = "rt"; break; - case EC_RO: kind = "ro"; break; + kind = ec_subtype_str(type & 0xf0ff); - default: - kind = tbuf; - bsprintf(kind, "unknown 0x%x", type); - } + if (!kind) { + kind = tbuf; + bsprintf(kind, "unknown 0x%x", type); + } switch (ec >> 56) { diff --git a/nest/attrs.h b/nest/attrs.h index 37227d9b..4efcff79 100644 --- a/nest/attrs.h +++ b/nest/attrs.h @@ -125,6 +125,14 @@ enum ec_subtype { EC_GENERIC = 0xFFFF, }; +static inline const char *ec_subtype_str(const enum ec_subtype ecs) { + switch (ecs) { + case EC_RT: return "rt"; + case EC_RO: return "ro"; + default: return NULL; + } +} + /* Transitive bit (for first u32 half of EC) */ #define EC_TBIT 0x40000000 |