diff options
Diffstat (limited to 'lib/libproc/proc_bkpt.c')
| -rw-r--r-- | lib/libproc/proc_bkpt.c | 29 |
1 files changed, 14 insertions, 15 deletions
diff --git a/lib/libproc/proc_bkpt.c b/lib/libproc/proc_bkpt.c index 2c2761a..fe6ed4a 100644 --- a/lib/libproc/proc_bkpt.c +++ b/lib/libproc/proc_bkpt.c @@ -55,13 +55,6 @@ __FBSDID("$FreeBSD$"); #error "Add support for your architecture" #endif -static void -proc_cont(struct proc_handle *phdl) -{ - - ptrace(PT_CONTINUE, proc_getpid(phdl), (caddr_t)1, 0); -} - static int proc_stop(struct proc_handle *phdl) { @@ -87,7 +80,7 @@ proc_bkptset(struct proc_handle *phdl, uintptr_t address, { struct ptrace_io_desc piod; unsigned long paddr, caddr; - int ret = 0; + int ret = 0, stopped; *saved = 0; if (phdl->status == PS_DEAD || phdl->status == PS_UNDEAD || @@ -98,9 +91,12 @@ proc_bkptset(struct proc_handle *phdl, uintptr_t address, DPRINTFX("adding breakpoint at 0x%lx", address); - if (phdl->status != PS_STOP) + stopped = 0; + if (phdl->status != PS_STOP) { if (proc_stop(phdl) != 0) return (-1); + stopped = 1; + } /* * Read the original instruction. @@ -135,9 +131,9 @@ proc_bkptset(struct proc_handle *phdl, uintptr_t address, } done: - if (phdl->status != PS_STOP) + if (stopped) /* Restart the process if we had to stop it. */ - proc_cont(phdl); + proc_continue(phdl); return (ret); } @@ -148,7 +144,7 @@ proc_bkptdel(struct proc_handle *phdl, uintptr_t address, { struct ptrace_io_desc piod; unsigned long paddr, caddr; - int ret = 0; + int ret = 0, stopped; if (phdl->status == PS_DEAD || phdl->status == PS_UNDEAD || phdl->status == PS_IDLE) { @@ -158,9 +154,12 @@ proc_bkptdel(struct proc_handle *phdl, uintptr_t address, DPRINTFX("removing breakpoint at 0x%lx", address); - if (phdl->status != PS_STOP) + stopped = 0; + if (phdl->status != PS_STOP) { if (proc_stop(phdl) != 0) return (-1); + stopped = 1; + } /* * Overwrite the breakpoint instruction that we setup previously. @@ -177,9 +176,9 @@ proc_bkptdel(struct proc_handle *phdl, uintptr_t address, ret = -1; } - if (phdl->status != PS_STOP) + if (stopped) /* Restart the process if we had to stop it. */ - proc_cont(phdl); + proc_continue(phdl); return (ret); } |
