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kgdb,docs: Update the kgdb docs to include kdb

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Update the kgdb docs to reflect the new directory structure and API.

Merge in the kdb shell information.

[Randy Dunlap <rdunlap@xenotime.net>: grammatical corrections]

CC: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
This commit is contained in:
Jason Wessel
2010-05-20 21:04:24 -05:00
parent ada64e4c98
commit 84c08fd61e
3 changed files with 542 additions and 188 deletions
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712
Documentation/DocBook/kgdb.tmpl
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File diff suppressed because it is too large Load Diff

6
Documentation/kernel-parameters.txt
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@@ -58,6 +58,7 @@ parameter is applicable:
ISAPNP ISA PnP code is enabled.
ISDN Appropriate ISDN support is enabled.
JOY Appropriate joystick support is enabled.
KGDB Kernel debugger support is enabled.
KVM Kernel Virtual Machine support is enabled.
LIBATA Libata driver is enabled
LP Printer support is enabled.
@@ -1120,13 +1121,16 @@ and is between 256 and 4096 characters. It is defined in the file
use the HighMem zone if it exists, and the Normal
zone if it does not.
kgdboc= [HW] kgdb over consoles.
kgdboc= [KGDB,HW] kgdb over consoles.
Requires a tty driver that supports console polling,
or a supported polling keyboard driver (non-usb).
Serial only format: <serial_device>[,baud]
keyboard only format: kbd
keyboard and serial format: kbd,<serial_device>[,baud]
kgdbwait [KGDB] Stop kernel execution and enter the
kernel debugger at the earliest opportunity.
kmac= [MIPS] korina ethernet MAC address.
Configure the RouterBoard 532 series on-chip
Ethernet adapter MAC address.

12
include/linux/kgdb.h
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@@ -204,6 +204,17 @@ kgdb_arch_handle_exception(int vector, int signo, int err_code,
*/
extern void kgdb_roundup_cpus(unsigned long flags);
/**
* kgdb_arch_set_pc - Generic call back to the program counter
* @regs: Current &struct pt_regs.
* @pc: The new value for the program counter
*
* This function handles updating the program counter and requires an
* architecture specific implementation.
*/
extern void kgdb_arch_set_pc(struct pt_regs *regs, unsigned long pc);
/* Optional functions. */
extern int kgdb_validate_break_address(unsigned long addr);
extern int kgdb_arch_set_breakpoint(unsigned long addr, char *saved_instr);
@@ -264,7 +275,6 @@ extern struct kgdb_arch arch_kgdb_ops;
extern unsigned long __weak kgdb_arch_pc(int exception, struct pt_regs *regs);
extern void kgdb_arch_set_pc(struct pt_regs *regs, unsigned long pc);
extern int kgdb_register_io_module(struct kgdb_io *local_kgdb_io_ops);
extern void kgdb_unregister_io_module(struct kgdb_io *local_kgdb_io_ops);
extern struct kgdb_io *dbg_io_ops;