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/*
* Oracle Linux DTrace.
* Copyright (c) 2021, 2022, Oracle and/or its affiliates. All rights reserved.
* Licensed under the Universal Permissive License v 1.0 as shown at
* http://oss.oracle.com/licenses/upl.
*/
#ifndef _DT_DIS_H
#define _DT_DIS_H
#include <dt_impl.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* The following disassembler listings can be requested with -xdisasm=....
* - After compilation and assembly of a clause function.
* - After constructing a probe program.
* - After linking in dependencies.
* - After all processing, prior to loading the program.
* The values can be combined to select multiple listings. The '-S' option
* must also be supplied in order for disassembler output to be generated.
*/
#define DT_DISASM_OPT_CLAUSE 1
#define DT_DISASM_OPT_PROG 2
#define DT_DISASM_OPT_PROG_LINKED 4
#define DT_DISASM_OPT_PROG_FINAL 8
#define DT_DISASM_OPT_DEFAULT DT_DISASM_OPT_CLAUSE
/*
* Macros to make a call to the disassembler for specific disassembler listings.
*/
#define DT_DISASM_CLAUSE(dtp, cflags, pp, fp) \
do { \
if (((cflags) & DTRACE_C_DIFV) && \
((dtp)->dt_disasm & DT_DISASM_OPT_CLAUSE)) \
dt_dis_program((dtp), (pp), (fp)); \
} while(0)
#define DT_DISASM_PROG(dtp, cflags, dp, fp, idp, pdp) \
do { \
if (((cflags) & DTRACE_C_DIFV) && \
((dtp)->dt_disasm & DT_DISASM_OPT_PROG)) \
dt_dis_difo((dp), (fp), (idp), (pdp), "program"); \
} while(0)
#define DT_DISASM_PROG_LINKED(dtp, cflags, dp, fp, idp, pdp) \
do { \
if (((cflags) & DTRACE_C_DIFV) && \
((dtp)->dt_disasm & DT_DISASM_OPT_PROG_LINKED)) \
dt_dis_difo((dp), (fp), (idp), (pdp), \
"linked program"); \
} while(0)
#define DT_DISASM_PROG_FINAL(dtp, cflags, dp, fp, idp, pdp) \
do { \
if (((cflags) & DTRACE_C_DIFV) && \
((dtp)->dt_disasm & DT_DISASM_OPT_PROG_FINAL)) \
dt_dis_difo((dp), (fp), (idp), (pdp), \
"final program"); \
} while(0)
extern void dt_dis_insn(uint_t i, const struct bpf_insn *instr, FILE *fp);
extern void dt_dis_program(dtrace_hdl_t *dtp, dtrace_prog_t *pgp, FILE *fp);
extern void dt_dis_difo(const dtrace_difo_t *dp, FILE *fp,
const dt_ident_t *idp, const dtrace_probedesc_t *pdp,
const char *ltype);
#ifdef __cplusplus
}
#endif
#endif /* _DT_DIS_H */
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