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Fixed printing of %fs and %gs for live kernels.

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Only print the current pcb on startup.  Printing it every time a utility
routine was called messed up the register dump for live kernels.
This commit is contained in:
Bruce Evans 1998-02-13 02:45:26 +00:00
parent b7aa38c1e3
commit 5983a0d1cf
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=33297
3 changed files with 24 additions and 18 deletions
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14
gnu/usr.bin/binutils/gdb/i386/kvm-fbsd.c
View File

@ -482,6 +482,7 @@ kvm_open (efile, cfile, sfile, perm, errout)
{
struct stat stb;
int cfd;
CORE_ADDR paddr;
if ((cfd = open (cfile, perm, 0)) < 0)
return (cfd);
@ -501,9 +502,11 @@ kvm_open (efile, cfile, sfile, perm, errout)
found_pcb = 1; /* for vtophys */
if (!devmem)
read_pcb (cfd, ksym_lookup ("dumppcb") - KERNOFF);
paddr = ksym_lookup ("dumppcb") - KERNOFF;
else
read_pcb (cfd, kvtophys (cfd, curpcb));
paddr = kvtophys (cfd, curpcb);
read_pcb (cfd, paddr);
printf ("initial pcb at %x\n", paddr);
return (cfd);
}
@ -812,7 +815,6 @@ read_pcb (fd, uaddr)
error ("cannot read pcb at %x\n", uaddr);
return (-1);
}
printf ("current pcb at %x\n", uaddr);
/*
* get the register values out of the sys pcb and
@ -833,10 +835,10 @@ read_pcb (fd, uaddr)
supply_register (6, (char *)&pcb.pcb_esi);
supply_register (7, (char *)&pcb.pcb_edi);
supply_register (PC_REGNUM, (char *)&pcb.pcb_eip);
for (i = 9; i < 14; ++i) /* eflags, cs, ss, ds, es */
for (i = 9; i < 13; ++i) /* eflags, cs, ss, ds, es */
supply_register (i, (char *)&noreg);
supply_register (15, (char *)&pcb.pcb_fs);
supply_register (16, (char *)&pcb.pcb_gs);
supply_register (14, (char *)&pcb.pcb_fs);
supply_register (15, (char *)&pcb.pcb_gs);
/* XXX 80387 registers? */
}

14
gnu/usr.bin/binutils/gdb/kvm-fbsd.c
View File

@ -482,6 +482,7 @@ kvm_open (efile, cfile, sfile, perm, errout)
{
struct stat stb;
int cfd;
CORE_ADDR paddr;
if ((cfd = open (cfile, perm, 0)) < 0)
return (cfd);
@ -501,9 +502,11 @@ kvm_open (efile, cfile, sfile, perm, errout)
found_pcb = 1; /* for vtophys */
if (!devmem)
read_pcb (cfd, ksym_lookup ("dumppcb") - KERNOFF);
paddr = ksym_lookup ("dumppcb") - KERNOFF;
else
read_pcb (cfd, kvtophys (cfd, curpcb));
paddr = kvtophys (cfd, curpcb);
read_pcb (cfd, paddr);
printf ("initial pcb at %x\n", paddr);
return (cfd);
}
@ -812,7 +815,6 @@ read_pcb (fd, uaddr)
error ("cannot read pcb at %x\n", uaddr);
return (-1);
}
printf ("current pcb at %x\n", uaddr);
/*
* get the register values out of the sys pcb and
@ -833,10 +835,10 @@ read_pcb (fd, uaddr)
supply_register (6, (char *)&pcb.pcb_esi);
supply_register (7, (char *)&pcb.pcb_edi);
supply_register (PC_REGNUM, (char *)&pcb.pcb_eip);
for (i = 9; i < 14; ++i) /* eflags, cs, ss, ds, es */
for (i = 9; i < 13; ++i) /* eflags, cs, ss, ds, es */
supply_register (i, (char *)&noreg);
supply_register (15, (char *)&pcb.pcb_fs);
supply_register (16, (char *)&pcb.pcb_gs);
supply_register (14, (char *)&pcb.pcb_fs);
supply_register (15, (char *)&pcb.pcb_gs);
/* XXX 80387 registers? */
}

14
gnu/usr.bin/gdb/gdb/kvm-fbsd.c
View File

@ -482,6 +482,7 @@ kvm_open (efile, cfile, sfile, perm, errout)
{
struct stat stb;
int cfd;
CORE_ADDR paddr;
if ((cfd = open (cfile, perm, 0)) < 0)
return (cfd);
@ -501,9 +502,11 @@ kvm_open (efile, cfile, sfile, perm, errout)
found_pcb = 1; /* for vtophys */
if (!devmem)
read_pcb (cfd, ksym_lookup ("dumppcb") - KERNOFF);
paddr = ksym_lookup ("dumppcb") - KERNOFF;
else
read_pcb (cfd, kvtophys (cfd, curpcb));
paddr = kvtophys (cfd, curpcb);
read_pcb (cfd, paddr);
printf ("initial pcb at %x\n", paddr);
return (cfd);
}
@ -812,7 +815,6 @@ read_pcb (fd, uaddr)
error ("cannot read pcb at %x\n", uaddr);
return (-1);
}
printf ("current pcb at %x\n", uaddr);
/*
* get the register values out of the sys pcb and
@ -833,10 +835,10 @@ read_pcb (fd, uaddr)
supply_register (6, (char *)&pcb.pcb_esi);
supply_register (7, (char *)&pcb.pcb_edi);
supply_register (PC_REGNUM, (char *)&pcb.pcb_eip);
for (i = 9; i < 14; ++i) /* eflags, cs, ss, ds, es */
for (i = 9; i < 13; ++i) /* eflags, cs, ss, ds, es */
supply_register (i, (char *)&noreg);
supply_register (15, (char *)&pcb.pcb_fs);
supply_register (16, (char *)&pcb.pcb_gs);
supply_register (14, (char *)&pcb.pcb_fs);
supply_register (15, (char *)&pcb.pcb_gs);
/* XXX 80387 registers? */
}