yggdrasil/binutils-gdb
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

2003-10-15 Jeff Johnston <jjohnstn@redhat.com>

Browse Source 
* ia64-linux-tdep.c: Include gdbcore.h.
        (IA64_LINUX_SIGCONTEXT_OFFSET): Magic constant removed.
        (ia64_linux_sigcontext_register_addr): Find the address of the
        sigcontext area stored in the sigframe instead of using
        a magic offset constant.
This commit is contained in:
Jeff Johnston 2003-10-15 22:55:32 +00:00
parent c1da8dedae
commit 51931cbbf6
2 changed files with 30 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
gdb/ChangeLog
View File

@ -1,3 +1,11 @@
2003-10-15 Jeff Johnston <jjohnstn@redhat.com>
* ia64-linux-tdep.c: Include gdbcore.h.
(IA64_LINUX_SIGCONTEXT_OFFSET): Magic constant removed.
(ia64_linux_sigcontext_register_addr): Find the address of the
sigcontext area stored in the sigframe instead of using
a magic offset constant.
2003-10-15 Andrew Cagney <cagney@redhat.com>
* remote.c (remote_search): Delete function.

36
gdb/ia64-linux-tdep.c
View File

@ -21,6 +21,7 @@
#include "defs.h"
#include "arch-utils.h"
#include "gdbcore.h"
/* The sigtramp code is in a non-readable (executable-only) region
of memory called the ``gate page''. The addresses in question
@ -47,40 +48,47 @@ ia64_linux_in_sigtramp (CORE_ADDR pc, char *func_name)
CORE_ADDR
ia64_linux_sigcontext_register_address (CORE_ADDR sp, int regno)
{
char buf[8];
CORE_ADDR sigcontext_addr = 0;
/* The address of the sigcontext area is found at offset 16 in the sigframe. */
read_memory (sp + 16, buf, 8);
sigcontext_addr = extract_unsigned_integer (buf, 8);
if (IA64_GR0_REGNUM <= regno && regno <= IA64_GR31_REGNUM)
return sp + IA64_LINUX_SIGCONTEXT_OFFSET + 200 + 8 * (regno - IA64_GR0_REGNUM);
return sigcontext_addr + 200 + 8 * (regno - IA64_GR0_REGNUM);
else if (IA64_BR0_REGNUM <= regno && regno <= IA64_BR7_REGNUM)
return sp + IA64_LINUX_SIGCONTEXT_OFFSET + 136 + 8 * (regno - IA64_BR0_REGNUM);
return sigcontext_addr + 136 + 8 * (regno - IA64_BR0_REGNUM);
else if (IA64_FR0_REGNUM <= regno && regno <= IA64_FR127_REGNUM)
return sp + IA64_LINUX_SIGCONTEXT_OFFSET + 464 + 16 * (regno - IA64_FR0_REGNUM);
return sigcontext_addr + 464 + 16 * (regno - IA64_FR0_REGNUM);
else
switch (regno)
{
case IA64_IP_REGNUM :
return sp + IA64_LINUX_SIGCONTEXT_OFFSET + 40;
return sigcontext_addr + 40;
case IA64_CFM_REGNUM :
return sp + IA64_LINUX_SIGCONTEXT_OFFSET + 48;
return sigcontext_addr + 48;
case IA64_PSR_REGNUM :
return sp + IA64_LINUX_SIGCONTEXT_OFFSET + 56; /* user mask only */
return sigcontext_addr + 56; /* user mask only */
/* sc_ar_rsc is provided, from which we could compute bspstore, but
I don't think it's worth it. Anyway, if we want it, it's at offset
64 */
case IA64_BSP_REGNUM :
return sp + IA64_LINUX_SIGCONTEXT_OFFSET + 72;
return sigcontext_addr + 72;
case IA64_RNAT_REGNUM :
return sp + IA64_LINUX_SIGCONTEXT_OFFSET + 80;
return sigcontext_addr + 80;
case IA64_CCV_REGNUM :
return sp + IA64_LINUX_SIGCONTEXT_OFFSET + 88;
return sigcontext_addr + 88;
case IA64_UNAT_REGNUM :
return sp + IA64_LINUX_SIGCONTEXT_OFFSET + 96;
return sigcontext_addr + 96;
case IA64_FPSR_REGNUM :
return sp + IA64_LINUX_SIGCONTEXT_OFFSET + 104;
return sigcontext_addr + 104;
case IA64_PFS_REGNUM :
return sp + IA64_LINUX_SIGCONTEXT_OFFSET + 112;
return sigcontext_addr + 112;
case IA64_LC_REGNUM :
return sp + IA64_LINUX_SIGCONTEXT_OFFSET + 120;
return sigcontext_addr + 120;
case IA64_PR_REGNUM :
return sp + IA64_LINUX_SIGCONTEXT_OFFSET + 128;
return sigcontext_addr + 128;
default :
return 0;
}