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* linux-tdep.c (linux_is_uclinux): New function.  Code moved
	from linux_has_shared_address_space.
	(linux_has_shared_address_space): Call linux_is_uclinux.
	* linux-tdep.h (linux_is_uclinux): Declare.
	* m68klinux-tdep.c (m68k_linux_get_sigtramp_info): Call
	linux_is_uclinux.
This commit is contained in:
Yao Qi
2013-09-02 23:09:57 +00:00
parent 7b00db47ce
commit c01cbb3d52
4 changed files with 27 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
gdb/ChangeLog
View File

@ -1,3 +1,12 @@
2013-09-03 Yao Qi <yao@codesourcery.com>
* linux-tdep.c (linux_is_uclinux): New function. Code moved
from linux_has_shared_address_space.
(linux_has_shared_address_space): Call linux_is_uclinux.
* linux-tdep.h (linux_is_uclinux): Declare.
* m68klinux-tdep.c (m68k_linux_get_sigtramp_info): Call
linux_is_uclinux.
2013-09-03 Yao Qi <yao@codesourcery.com> 2013-09-03 Yao Qi <yao@codesourcery.com>
* config/djgpp/fnchange.lst: Remove entry of * config/djgpp/fnchange.lst: Remove entry of

23
gdb/linux-tdep.c
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@ -241,19 +241,22 @@ linux_get_siginfo_type (struct gdbarch *gdbarch)
return siginfo_type; return siginfo_type;
} }
/* Return true if the target is running on uClinux instead of normal
Linux kernel. */
int
linux_is_uclinux (void)
{
CORE_ADDR dummy;
return (target_auxv_search (&current_target, AT_NULL, &dummy) > 0
&& target_auxv_search (&current_target, AT_PAGESZ, &dummy) == 0);
}
static int static int
linux_has_shared_address_space (struct gdbarch *gdbarch) linux_has_shared_address_space (struct gdbarch *gdbarch)
{ {
/* Determine whether we are running on uClinux or normal Linux return linux_is_uclinux ();
kernel. */
CORE_ADDR dummy;
int target_is_uclinux;
target_is_uclinux
= (target_auxv_search (&current_target, AT_NULL, &dummy) > 0
&& target_auxv_search (&current_target, AT_PAGESZ, &dummy) == 0);
return target_is_uclinux;
} }
/* This is how we want PTIDs from core files to be printed. */ /* This is how we want PTIDs from core files to be printed. */

2
gdb/linux-tdep.h
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@ -42,4 +42,6 @@ extern int linux_gdb_signal_to_target (struct gdbarch *gdbarch,
extern void linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch); extern void linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch);
extern int linux_is_uclinux (void);
#endif /* linux-tdep.h */ #endif /* linux-tdep.h */

12
gdb/m68klinux-tdep.c
View File

@ -228,16 +228,10 @@ m68k_linux_get_sigtramp_info (struct frame_info *this_frame)
CORE_ADDR sp; CORE_ADDR sp;
struct m68k_linux_sigtramp_info info; struct m68k_linux_sigtramp_info info;
/* Determine whether we are running on a uClinux or normal GNU/Linux
target so we can use the correct sigcontext layouts. */
if (target_is_uclinux == -1) if (target_is_uclinux == -1)
{ target_is_uclinux = linux_is_uclinux ();
/* Determine whether we are running on a uClinux or normal GNU/Linux
target so we can use the correct sigcontext layouts. */
CORE_ADDR dummy;
target_is_uclinux
= (target_auxv_search (&current_target, AT_NULL, &dummy) > 0
&& target_auxv_search (&current_target, AT_PAGESZ, &dummy) == 0);
}
sp = get_frame_register_unsigned (this_frame, M68K_SP_REGNUM); sp = get_frame_register_unsigned (this_frame, M68K_SP_REGNUM);