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/* ----------------------------------------------------------------------- *
*
* Copyright 2020 The NASM Authors - All Rights Reserved
* See the file AUTHORS included with the NASM distribution for
* the specific copyright holders.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following
* conditions are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* ----------------------------------------------------------------------- */
/*
* dbginfo.h - debugging info structures
*/
#ifndef NASM_DBGINFO_H
#define NASM_DBGINFO_H
#include "compiler.h"
#include "srcfile.h"
#include "rbtree.h"
struct debug_macro_def; /* Definition */
struct debug_macro_inv; /* Invocation */
struct debug_macro_addr; /* Address range */
/*
* Definitions structure, one for each non-.nolist macro invoked
* anywhere in the program; unique for each macro, even if a macro is
* redefined and/or overloaded.
*/
struct debug_macro_def {
struct debug_macro_def *next; /* List of definitions */
const char *name; /* Macro name */
struct src_location where; /* Start of definition */
size_t ninv; /* Call count */
};
/*
* Invocation structure. One for each invocation of a non-.nolist macro.
*/
struct debug_macro_inv_list {
struct debug_macro_inv *l;
size_t n;
};
struct debug_macro_inv {
struct debug_macro_inv *next; /* List of same-level invocations */
struct debug_macro_inv_list down;
struct debug_macro_inv *up; /* Parent invocation */
struct debug_macro_def *def; /* Macro definition */
struct src_location where; /* Start of invocation */
struct { /* Address range pointers */
struct rbtree *tree; /* rbtree of address ranges */
struct debug_macro_addr *last; /* Quick lookup for latest section */
} addr;
uint32_t naddr; /* Number of address ranges */
int32_t lastseg; /* lastaddr segment number */
};
/*
* Address range structure. An rbtree containing one address range for each
* section which this particular macro has generated code/data/space into.
*/
struct debug_macro_addr {
struct rbtree tree; /* rbtree; key = index, must be first */
struct debug_macro_addr *up; /* same section in parent invocation */
uint64_t start; /* starting offset */
uint64_t len; /* length of range */
};
/*
* Complete information structure */
struct debug_macro_info {
struct debug_macro_inv_list inv;
struct debug_macro_def_list {
struct debug_macro_def *l;
size_t n;
} def;
};
static inline int32_t debug_macro_seg(const struct debug_macro_addr *dma)
{
return dma->tree.key;
}
/* Get/create a addr structure for the macro we are emitting for */
struct debug_macro_addr *debug_macro_get_addr(int32_t seg);
/* The macro we are currently emitting for, if any */
extern struct debug_macro_inv *debug_current_macro;
#endif /* NASM_DBGINFO_H */
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