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* linux-arm-low.c (arm_eabi_breakpoint): New variable.

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(arm_breakpoint_at): Recognize both breakpoints.
	(the_low_target): Use the correct breakpoint instruction.
This commit is contained in:
Daniel Jacobowitz 2005-11-13 18:04:03 +00:00
parent f0b3881fd7
commit 9d1fb17785
2 changed files with 21 additions and 1 deletions
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6
gdb/gdbserver/ChangeLog
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@ -1,3 +1,9 @@
2005-11-13 Daniel Jacobowitz <dan@codesourcery.com>
* linux-arm-low.c (arm_eabi_breakpoint): New variable.
(arm_breakpoint_at): Recognize both breakpoints.
(the_low_target): Use the correct breakpoint instruction.
2005-11-02 Daniel Jacobowitz <dan@codesourcery.com> 2005-11-02 Daniel Jacobowitz <dan@codesourcery.com>
* configure.srv (x86_64-*-linux*): Turn on thread_db support. * configure.srv (x86_64-*-linux*): Turn on thread_db support.

16
gdb/gdbserver/linux-arm-low.c
View file

@ -70,6 +70,12 @@ arm_set_pc (CORE_ADDR pc)
static const unsigned long arm_breakpoint = 0xef9f0001; static const unsigned long arm_breakpoint = 0xef9f0001;
#define arm_breakpoint_len 4 #define arm_breakpoint_len 4
/* For new EABI binaries. We recognize it regardless of which ABI
is used for gdbserver, so single threaded debugging should work
OK, but for multi-threaded debugging we only insert the current
ABI's breakpoint instruction. For now at least. */
static const unsigned long arm_eabi_breakpoint = 0xe7f001f0;
static int static int
arm_breakpoint_at (CORE_ADDR where) arm_breakpoint_at (CORE_ADDR where)
{ {
@ -79,8 +85,12 @@ arm_breakpoint_at (CORE_ADDR where)
if (insn == arm_breakpoint) if (insn == arm_breakpoint)
return 1; return 1;
if (insn == arm_eabi_breakpoint)
return 1;
/* If necessary, recognize more trap instructions here. GDB only uses the /* If necessary, recognize more trap instructions here. GDB only uses the
one. */ two. */
return 0; return 0;
} }
@ -102,7 +112,11 @@ struct linux_target_ops the_low_target = {
arm_cannot_store_register, arm_cannot_store_register,
arm_get_pc, arm_get_pc,
arm_set_pc, arm_set_pc,
#ifndef __ARM_EABI__
(const unsigned char *) &arm_breakpoint, (const unsigned char *) &arm_breakpoint,
#else
(const unsigned char *) &arm_eabi_breakpoint,
#endif
arm_breakpoint_len, arm_breakpoint_len,
arm_reinsert_addr, arm_reinsert_addr,
0, 0,