CI: Call print_so_deps() on rpcapd in remote enabled build

[libpcap] / gencode.h

diff --git a/gencode.h b/gencode.h
index 5399d07b29f5a0966914e844ebbb4dfdbf6ba436..3d17147bf3e9ec2a396f9c9c48ed1a07ebd62bfa 100644 (file)
--- a/gencode.h
+++ b/gencode.h
@@ -17,10 +17,22 @@
  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.

- *
- * @(#) $Header: /tcpdump/master/libpcap/gencode.h,v 1.71 2007-11-18 02:03:52 guy Exp $ (LBL)

  */
 
  */
 

+#ifndef gencode_h
+#define gencode_h
+
+#include "pcap/funcattrs.h"
+/*
+ * pcap/bpf.h (a public header) needs u_char, u_short and u_int, which can be
+ * made available via either pcap-types.h (a private header) or pcap/pcap.h
+ * (a public header), none of which pcap/bpf.h includes.  Include the private
+ * header to keep things simple, this way this private header should compile
+ * even if included early from another file.
+ */
+#include "pcap-types.h"
+#include "pcap/bpf.h" /* bpf_u_int32 and BPF_MEMWORDS */
+

 /*
  * ATM support:
  *
 /*
  * ATM support:
  *


@@ -55,10 +67,6 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
  * POSSIBILITY OF SUCH DAMAGE.
  */
 

-#ifndef HAVE___ATTRIBUTE__
-#define __attribute__(x)
-#endif /* HAVE___ATTRIBUTE__ */
-

 /* Address qualifiers. */
 
 #define Q_HOST         1
 /* Address qualifiers. */
 
 #define Q_HOST         1


@@ -117,16 +125,14 @@
 #define Q_ISIS_L2       32
 /* PDU types */
 #define Q_ISIS_IIH      33
 #define Q_ISIS_L2       32
 /* PDU types */
 #define Q_ISIS_IIH      33

-#define Q_ISIS_LAN_IIH  34
-#define Q_ISIS_PTP_IIH  35
-#define Q_ISIS_SNP      36
-#define Q_ISIS_CSNP     37
-#define Q_ISIS_PSNP     38
-#define Q_ISIS_LSP      39
+#define Q_ISIS_SNP      34
+#define Q_ISIS_CSNP     35
+#define Q_ISIS_PSNP     36
+#define Q_ISIS_LSP      37

 
 

-#define Q_RADIO                40
+#define Q_RADIO                38

 
 

-#define Q_CARP         41
+#define Q_CARP         39

 
 /* Directional qualifiers. */
 
 
 /* Directional qualifiers. */
 


@@ -154,22 +160,10 @@
 #define A_OAM          28      /* OAM cells : F4 only */
 #define A_OAMF4                29      /* OAM F4 cells: Segment + End-to-end */
 #define A_LANE         30      /* LANE traffic */
 #define A_OAM          28      /* OAM cells : F4 only */
 #define A_OAMF4                29      /* OAM F4 cells: Segment + End-to-end */
 #define A_LANE         30      /* LANE traffic */

-#define A_LLC          31      /* LLC-encapsulated traffic */
-
-/* Based on Q.2931 signalling protocol */
-#define A_SETUP                41      /* Setup message */
-#define A_CALLPROCEED  42      /* Call proceeding message */
-#define A_CONNECT      43      /* Connect message */
-#define A_CONNECTACK   44      /* Connect Ack message */
-#define A_RELEASE      45      /* Release message */
-#define A_RELEASE_DONE 46      /* Release message */
- 
+

 /* ATM field types */
 #define A_VPI          51
 #define A_VCI          52
 /* ATM field types */
 #define A_VPI          51
 #define A_VCI          52

-#define A_PROTOTYPE    53
-#define A_MSGTYPE      54
-#define A_CALLREFTYPE  55

 
 #define A_CONNECTMSG   70      /* returns Q.2931 signalling messages for
                                   establishing and destroying switched
 
 #define A_CONNECTMSG   70      /* returns Q.2931 signalling messages for
                                   establishing and destroying switched


@@ -206,11 +200,14 @@
 
 struct slist;
 
 
 struct slist;
 

+/*
+ * A single statement, corresponding to an instruction in a block.
+ */

 struct stmt {
 struct stmt {

-       int code;
-       struct slist *jt;       /*only for relative jump in block*/
-       struct slist *jf;       /*only for relative jump in block*/
-       bpf_int32 k;
+       int code;               /* opcode */
+       struct slist *jt;       /* only for relative jump in block */
+       struct slist *jf;       /* only for relative jump in block */
+       bpf_u_int32 k;          /* k field */

 };
 
 struct slist {
 };
 
 struct slist {


@@ -237,17 +234,27 @@ typedef bpf_u_int32 *uset;
  */
 #define N_ATOMS (BPF_MEMWORDS+2)
 
  */
 #define N_ATOMS (BPF_MEMWORDS+2)
 

+/*
+ * Control flow graph of a program.
+ * This corresponds to an edge in the CFG.
+ * It's a directed graph, so an edge has a predecessor and a successor.
+ */

 struct edge {
 struct edge {

-       int id;
-       int code;
+       u_int id;
+       int code;               /* opcode for branch corresponding to this edge */

        uset edom;
        uset edom;

-       struct block *succ;
-       struct block *pred;
+       struct block *succ;     /* successor vertex */
+       struct block *pred;     /* predecessor vertex */

        struct edge *next;      /* link list of incoming edges for a node */
 };
 
        struct edge *next;      /* link list of incoming edges for a node */
 };
 

+/*
+ * A block is a vertex in the CFG.
+ * It has a list of statements, with the final statement being a
+ * branch to successor blocks.
+ */

 struct block {
 struct block {

-       int id;
+       u_int id;

        struct slist *stmts;    /* side effect stmts */
        struct stmt s;          /* branch stmt */
        int mark;
        struct slist *stmts;    /* side effect stmts */
        struct stmt s;          /* branch stmt */
        int mark;


@@ -256,20 +263,25 @@ struct block {
        int level;
        int offset;
        int sense;
        int level;
        int offset;
        int sense;

-       struct edge et;
-       struct edge ef;
+       struct edge et;         /* edge corresponding to the jt branch */
+       struct edge ef;         /* edge corresponding to the jf branch */

        struct block *head;
        struct block *link;     /* link field used by optimizer */
        uset dom;
        uset closure;
        struct block *head;
        struct block *link;     /* link field used by optimizer */
        uset dom;
        uset closure;

-       struct edge *in_edges;
+       struct edge *in_edges;  /* first edge in the set (linked list) of edges with this as a successor */

        atomset def, kill;
        atomset in_use;
        atomset out_use;
        atomset def, kill;
        atomset in_use;
        atomset out_use;

-       int oval;
-       int val[N_ATOMS];
+       int oval;               /* value ID for value tested in branch stmt */
+       bpf_u_int32 val[N_ATOMS];

 };
 
 };
 

+/*
+ * A value of 0 for val[i] means the value is unknown.
+ */
+#define VAL_UNKNOWN    0
+

 struct arth {
        struct block *b;        /* protocol checks */
        struct slist *s;        /* stmt list */
 struct arth {
        struct block *b;        /* protocol checks */
        struct slist *s;        /* stmt list */


@@ -283,72 +295,109 @@ struct qual {
        unsigned char pad;
 };
 
        unsigned char pad;
 };
 

-struct arth *gen_loadi(int);
-struct arth *gen_load(int, struct arth *, int);
-struct arth *gen_loadlen(void);
-struct arth *gen_neg(struct arth *);
-struct arth *gen_arth(int, struct arth *, struct arth *);
+struct _compiler_state;
+
+typedef struct _compiler_state compiler_state_t;
+
+struct arth *gen_loadi(compiler_state_t *, bpf_u_int32);
+struct arth *gen_load(compiler_state_t *, int, struct arth *, bpf_u_int32);
+struct arth *gen_loadlen(compiler_state_t *);
+struct arth *gen_neg(compiler_state_t *, struct arth *);
+struct arth *gen_arth(compiler_state_t *, int, struct arth *, struct arth *);

 
 void gen_and(struct block *, struct block *);
 void gen_or(struct block *, struct block *);
 void gen_not(struct block *);
 
 
 void gen_and(struct block *, struct block *);
 void gen_or(struct block *, struct block *);
 void gen_not(struct block *);
 

-struct block *gen_scode(const char *, struct qual);
-struct block *gen_ecode(const u_char *, struct qual);
-struct block *gen_acode(const u_char *, struct qual);
-struct block *gen_mcode(const char *, const char *, int, struct qual);
-#ifdef INET6
-struct block *gen_mcode6(const char *, const char *, int, struct qual);
-#endif
-struct block *gen_ncode(const char *, bpf_u_int32, struct qual);
-struct block *gen_proto_abbrev(int);
-struct block *gen_relation(int, struct arth *, struct arth *, int);
-struct block *gen_less(int);
-struct block *gen_greater(int);
-struct block *gen_byteop(int, int, int);
-struct block *gen_broadcast(int);
-struct block *gen_multicast(int);
-struct block *gen_inbound(int);
-
-struct block *gen_vlan(int);
-struct block *gen_mpls(int);
-
-struct block *gen_pppoed(void);
-struct block *gen_pppoes(void);
-
-struct block *gen_atmfield_code(int atmfield, bpf_int32 jvalue, bpf_u_int32 jtype, int reverse);
-struct block *gen_atmtype_abbrev(int type);
-struct block *gen_atmmulti_abbrev(int type);
-
-struct block *gen_mtp2type_abbrev(int type);
-struct block *gen_mtp3field_code(int mtp3field, bpf_u_int32 jvalue, bpf_u_int32 jtype, int reverse);
-
-struct block *gen_pf_ifname(const char *);
-struct block *gen_pf_rnr(int);
-struct block *gen_pf_srnr(int);
-struct block *gen_pf_ruleset(char *);
-struct block *gen_pf_reason(int);
-struct block *gen_pf_action(int);
-struct block *gen_pf_dir(int);
-
-struct block *gen_p80211_type(int, int);
-struct block *gen_p80211_fcdir(int);
-
-void bpf_optimize(struct block **);
-void bpf_error(const char *, ...)
-    __attribute__((noreturn, format (printf, 1, 2)));
-
-void finish_parse(struct block *);
-char *sdup(const char *);
-
-struct bpf_insn *icode_to_fcode(struct block *, u_int *);
-int pcap_parse(void);
-void lex_init(const char *);
-void lex_cleanup(void);
+struct block *gen_scode(compiler_state_t *, const char *, struct qual);
+struct block *gen_ecode(compiler_state_t *, const char *, struct qual);
+struct block *gen_acode(compiler_state_t *, const char *, struct qual);
+struct block *gen_mcode(compiler_state_t *, const char *, const char *,
+    bpf_u_int32, struct qual);
+struct block *gen_mcode6(compiler_state_t *, const char *, bpf_u_int32,
+    struct qual);
+struct block *gen_ncode(compiler_state_t *, const char *, bpf_u_int32,
+    struct qual);
+struct block *gen_proto_abbrev(compiler_state_t *, int);
+struct block *gen_relation(compiler_state_t *, int, struct arth *,
+    struct arth *, int);
+struct block *gen_less(compiler_state_t *, int);
+struct block *gen_greater(compiler_state_t *, int);
+struct block *gen_byteop(compiler_state_t *, int, int, bpf_u_int32);
+struct block *gen_broadcast(compiler_state_t *, int);
+struct block *gen_multicast(compiler_state_t *, int);
+struct block *gen_ifindex(compiler_state_t *, int);
+struct block *gen_inbound_outbound(compiler_state_t *, const int);
+
+struct block *gen_llc(compiler_state_t *);
+struct block *gen_llc_i(compiler_state_t *);
+struct block *gen_llc_s(compiler_state_t *);
+struct block *gen_llc_u(compiler_state_t *);
+struct block *gen_llc_s_subtype(compiler_state_t *, bpf_u_int32);
+struct block *gen_llc_u_subtype(compiler_state_t *, bpf_u_int32);
+
+struct block *gen_vlan(compiler_state_t *, bpf_u_int32, int);
+struct block *gen_mpls(compiler_state_t *, bpf_u_int32, int);
+
+struct block *gen_pppoed(compiler_state_t *);
+struct block *gen_pppoes(compiler_state_t *, bpf_u_int32, int);
+
+struct block *gen_geneve(compiler_state_t *, bpf_u_int32, int);
+struct block *gen_vxlan(compiler_state_t *, bpf_u_int32, int);
+
+struct block *gen_atmfield_code(compiler_state_t *, int, bpf_u_int32,
+    int, int);
+struct block *gen_atmtype_abbrev(compiler_state_t *, int);
+struct block *gen_atmmulti_abbrev(compiler_state_t *, int);
+
+struct block *gen_mtp2type_abbrev(compiler_state_t *, int);
+struct block *gen_mtp3field_code(compiler_state_t *, int, bpf_u_int32,
+    int, int);
+
+struct block *gen_pf_ifname(compiler_state_t *, const char *);
+struct block *gen_pf_rnr(compiler_state_t *, int);
+struct block *gen_pf_srnr(compiler_state_t *, int);
+struct block *gen_pf_ruleset(compiler_state_t *, char *);
+struct block *gen_pf_reason(compiler_state_t *, int);
+struct block *gen_pf_action(compiler_state_t *, int);
+
+struct block *gen_p80211_type(compiler_state_t *, bpf_u_int32, bpf_u_int32);
+struct block *gen_p80211_fcdir(compiler_state_t *, bpf_u_int32);
+
+/*
+ * Representation of a program as a tree of blocks, plus current mark.
+ * A block is marked if only if its mark equals the current mark.
+ * Rather than traverse the code array, marking each item, 'cur_mark'
+ * is incremented.  This automatically makes each element unmarked.
+ */
+#define isMarked(icp, p) ((p)->mark == (icp)->cur_mark)
+#define unMarkAll(icp) (icp)->cur_mark += 1
+#define Mark(icp, p) ((p)->mark = (icp)->cur_mark)
+
+struct icode {
+       struct block *root;
+       int cur_mark;
+};
+
+int bpf_optimize(struct icode *, char *);
+void bpf_set_error(compiler_state_t *, const char *, ...)
+    PCAP_PRINTFLIKE(2, 3);
+
+int finish_parse(compiler_state_t *, struct block *);
+char *sdup(compiler_state_t *, const char *);
+
+struct bpf_insn *icode_to_fcode(struct icode *, struct block *, u_int *,
+    char *);

 void sappend(struct slist *, struct slist *);
 
 void sappend(struct slist *, struct slist *);
 

+/*
+ * Older versions of Bison don't put this declaration in
+ * grammar.h.
+ */
+int pcap_parse(void *, compiler_state_t *);
+

 /* XXX */
 #define JT(b)  ((b)->et.succ)
 #define JF(b)  ((b)->ef.succ)
 
 /* XXX */
 #define JT(b)  ((b)->et.succ)
 #define JF(b)  ((b)->ef.succ)
 

-extern int no_optimize;
+#endif /* gencode_h */