Differential D29356 Diff 86305 sys/cddl/dev/fbt/aarch64/fbt_isa.c

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sys/cddl/dev/fbt/aarch64/fbt_isa.c

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#include "fbt.h"		#include "fbt.h"

#define AARCH64_BRK 0xd4200000		#define AARCH64_BRK 0xd4200000
#define AARCH64_BRK_IMM16_SHIFT 5		#define AARCH64_BRK_IMM16_SHIFT 5
#define AARCH64_BRK_IMM16_VAL (0x40d << AARCH64_BRK_IMM16_SHIFT)		#define AARCH64_BRK_IMM16_VAL (0x40d << AARCH64_BRK_IMM16_SHIFT)
#define FBT_PATCHVAL (AARCH64_BRK \| AARCH64_BRK_IMM16_VAL)		#define FBT_PATCHVAL (AARCH64_BRK \| AARCH64_BRK_IMM16_VAL)
#define FBT_ENTRY "entry"		#define FBT_ENTRY "entry"
#define FBT_RETURN "return"		#define FBT_RETURN "return"
		#define FBT_AFRAMES 4

int		int
fbt_invop(uintptr_t addr, struct trapframe *frame, uintptr_t rval)		fbt_invop(uintptr_t addr, struct trapframe *frame, uintptr_t rval)
{		{
solaris_cpu_t *cpu;		solaris_cpu_t *cpu;
fbt_probe_t *fbt;		fbt_probe_t *fbt;

cpu = &solaris_cpu[curcpu];		cpu = &solaris_cpu[curcpu];
▲ Show 20 Lines • Show All 81 Lines • ▼ Show 20 Lines	fbt_provide_module_function(linker_file_t lf, int symindx,
}		}

if (!found)		if (!found)
return (0);		return (0);

fbt = malloc(sizeof (fbt_probe_t), M_FBT, M_WAITOK \| M_ZERO);		fbt = malloc(sizeof (fbt_probe_t), M_FBT, M_WAITOK \| M_ZERO);
fbt->fbtp_name = name;		fbt->fbtp_name = name;
fbt->fbtp_id = dtrace_probe_create(fbt_id, modname,		fbt->fbtp_id = dtrace_probe_create(fbt_id, modname,
name, FBT_ENTRY, 3, fbt);		name, FBT_ENTRY, FBT_AFRAMES, fbt);
fbt->fbtp_patchpoint = instr;		fbt->fbtp_patchpoint = instr;
fbt->fbtp_ctl = lf;		fbt->fbtp_ctl = lf;
fbt->fbtp_loadcnt = lf->loadcnt;		fbt->fbtp_loadcnt = lf->loadcnt;
fbt->fbtp_savedval = *instr;		fbt->fbtp_savedval = *instr;
fbt->fbtp_patchval = FBT_PATCHVAL;		fbt->fbtp_patchval = FBT_PATCHVAL;
if ((*instr & SUB_MASK) == SUB_INSTR)		if ((*instr & SUB_MASK) == SUB_INSTR)
fbt->fbtp_rval = DTRACE_INVOP_SUB;		fbt->fbtp_rval = DTRACE_INVOP_SUB;
else		else
Show All 25 Lines	again:

/*		/*
* We have a winner!		* We have a winner!
*/		*/
fbt = malloc(sizeof (fbt_probe_t), M_FBT, M_WAITOK \| M_ZERO);		fbt = malloc(sizeof (fbt_probe_t), M_FBT, M_WAITOK \| M_ZERO);
fbt->fbtp_name = name;		fbt->fbtp_name = name;
if (retfbt == NULL) {		if (retfbt == NULL) {
fbt->fbtp_id = dtrace_probe_create(fbt_id, modname,		fbt->fbtp_id = dtrace_probe_create(fbt_id, modname,
name, FBT_RETURN, 3, fbt);		name, FBT_RETURN, FBT_AFRAMES, fbt);
} else {		} else {
retfbt->fbtp_probenext = fbt;		retfbt->fbtp_probenext = fbt;
fbt->fbtp_id = retfbt->fbtp_id;		fbt->fbtp_id = retfbt->fbtp_id;
}		}
retfbt = fbt;		retfbt = fbt;

fbt->fbtp_patchpoint = instr;		fbt->fbtp_patchpoint = instr;
fbt->fbtp_ctl = lf;		fbt->fbtp_ctl = lf;
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