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New gdbarch functions: dtrace_parse_probe_argument, dtrace_probe_is_enabled, dtrace_enable_probe, dtrace_disable_probe.

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This patch adds several gdbarch functions (along with the corresponding
predicates): `dtrace_parse_probe_argument', `dtrace_probe_is_enabled',
`dtrace_enable_probe' and `dtrace_disable_probe'.  These functions will
be implemented by target-specific code, and called from the DTrace
probes implementation in order to calculate the value of probe
arguments, and manipulate is-enabled probes.

gdb/ChangeLog:

2015-02-17  Jose E. Marchesi  <jose.marchesi@oracle.com>

	* gdbarch.sh (dtrace_parse_probe_argument): New.
	(dtrace_probe_is_enabled): Likewise.
	(dtrace_enable_probe): Likewise.
	(dtrace_disable_probe): Likewise.
	* gdbarch.c: Regenerate.
	* gdbarch.h: Regenerate.
This commit is contained in:
Jose E. Marchesi
2015-02-17 15:54:44 +01:00
parent 9aca2ff83e
commit 8b367e1771
4 changed files with 189 additions and 0 deletions
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36
gdb/gdbarch.h
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@@ -59,6 +59,7 @@ struct syscall;
struct agent_expr;
struct axs_value;
struct stap_parse_info;
struct parser_state;
struct ravenscar_arch_ops;
struct elf_internal_linux_prpsinfo;
struct mem_range;
@@ -1247,6 +1248,41 @@ typedef int (gdbarch_stap_parse_special_token_ftype) (struct gdbarch *gdbarch, s
extern int gdbarch_stap_parse_special_token (struct gdbarch *gdbarch, struct stap_parse_info *p);
extern void set_gdbarch_stap_parse_special_token (struct gdbarch *gdbarch, gdbarch_stap_parse_special_token_ftype *stap_parse_special_token);
/* DTrace related functions.
The expression to compute the NARTGth+1 argument to a DTrace USDT probe.
NARG must be >= 0. */
extern int gdbarch_dtrace_parse_probe_argument_p (struct gdbarch *gdbarch);
typedef void (gdbarch_dtrace_parse_probe_argument_ftype) (struct gdbarch *gdbarch, struct parser_state *pstate, int narg);
extern void gdbarch_dtrace_parse_probe_argument (struct gdbarch *gdbarch, struct parser_state *pstate, int narg);
extern void set_gdbarch_dtrace_parse_probe_argument (struct gdbarch *gdbarch, gdbarch_dtrace_parse_probe_argument_ftype *dtrace_parse_probe_argument);
/* True if the given ADDR does not contain the instruction sequence
corresponding to a disabled DTrace is-enabled probe. */
extern int gdbarch_dtrace_probe_is_enabled_p (struct gdbarch *gdbarch);
typedef int (gdbarch_dtrace_probe_is_enabled_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr);
extern int gdbarch_dtrace_probe_is_enabled (struct gdbarch *gdbarch, CORE_ADDR addr);
extern void set_gdbarch_dtrace_probe_is_enabled (struct gdbarch *gdbarch, gdbarch_dtrace_probe_is_enabled_ftype *dtrace_probe_is_enabled);
/* Enable a DTrace is-enabled probe at ADDR. */
extern int gdbarch_dtrace_enable_probe_p (struct gdbarch *gdbarch);
typedef void (gdbarch_dtrace_enable_probe_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr);
extern void gdbarch_dtrace_enable_probe (struct gdbarch *gdbarch, CORE_ADDR addr);
extern void set_gdbarch_dtrace_enable_probe (struct gdbarch *gdbarch, gdbarch_dtrace_enable_probe_ftype *dtrace_enable_probe);
/* Disable a DTrace is-enabled probe at ADDR. */
extern int gdbarch_dtrace_disable_probe_p (struct gdbarch *gdbarch);
typedef void (gdbarch_dtrace_disable_probe_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr);
extern void gdbarch_dtrace_disable_probe (struct gdbarch *gdbarch, CORE_ADDR addr);
extern void set_gdbarch_dtrace_disable_probe (struct gdbarch *gdbarch, gdbarch_dtrace_disable_probe_ftype *dtrace_disable_probe);
/* True if the list of shared libraries is one and only for all
processes, as opposed to a list of shared libraries per inferior.
This usually means that all processes, although may or may not share