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More style fixes. Sorry, missed those before.

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@30027 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Ingo Weinhold 2009-04-08 13:15:16 +00:00
parent c970c6e8f3
commit 777ae2fbb5
1 changed files with 84 additions and 81 deletions
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165
src/system/kernel/debug/gdb.cpp
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@ -192,34 +192,35 @@ gdb_parse_command(void)
break;
case 'q':
{
extern unsigned __data_start;
extern unsigned __bss_start;
{
extern unsigned __data_start;
extern unsigned __bss_start;
// There are several q commands:
//
// qXXXX Request info about XXXX.
// QXXXX=yyyy Set value of XXXX to yyyy.
// qOffsets Get segment offsets
//
// Currently we only support the 'qOffsets'
// form.
//
// *Note* that we actually have to lie,
// At first thought looks like we should
// return '_start', '__data_start' &
// '__bss_start', however gdb gets
// confused because the kernel link script
// pre-links at 0x80000000. To keep gdb
// gdb happy we just substract that amount.
if (strcmp(sCommand + 1, "Offsets") == 0) {
gdb_reply("Text=%x;Data=%x;Bss=%x", 0,
((unsigned)(&__data_start)) - 0x80000000,
((unsigned)(&__bss_start)) - 0x80000000);
} else
gdb_reply("ENS");
// There are several q commands:
//
// qXXXX Request info about XXXX.
// QXXXX=yyyy Set value of XXXX to yyyy.
// qOffsets Get segment offsets
//
// Currently we only support the 'qOffsets'
// form.
//
// *Note* that we actually have to lie,
// At first thought looks like we should
// return '_start', '__data_start' &
// '__bss_start', however gdb gets
// confused because the kernel link script
// pre-links at 0x80000000. To keep gdb
// gdb happy we just substract that amount.
if (strcmp(sCommand + 1, "Offsets") == 0) {
gdb_reply("Text=%x;Data=%x;Bss=%x", 0,
((unsigned)(&__data_start)) - 0x80000000,
((unsigned)(&__bss_start)) - 0x80000000);
} else
gdb_reply("ENS");
}
break;
}
case '?':
// command '?' is used for retrieving the signal
@ -230,68 +231,70 @@ gdb_parse_command(void)
break;
case 'g':
{
int cpu;
{
int cpu;
// command 'g' is used for reading the register
// file. Faked by now.
//
// For x86 the register order is:
//
// eax, ebx, ecx, edx,
// esp, ebp, esi, edi,
// eip, eflags,
// cs, ss, ds, es
//
// Note that even thought the segment descriptors
// are actually 16 bits wide, gdb requires them
// as 32 bit integers. Note also that for some
// reason (unknown to me) gdb wants the register
// dump in *big endian* format.
cpu = smp_get_current_cpu();
gdb_regreply(dbg_register_file[cpu], 14);
// command 'g' is used for reading the register
// file. Faked by now.
//
// For x86 the register order is:
//
// eax, ebx, ecx, edx,
// esp, ebp, esi, edi,
// eip, eflags,
// cs, ss, ds, es
//
// Note that even thought the segment descriptors
// are actually 16 bits wide, gdb requires them
// as 32 bit integers. Note also that for some
// reason (unknown to me) gdb wants the register
// dump in *big endian* format.
cpu = smp_get_current_cpu();
gdb_regreply(dbg_register_file[cpu], 14);
}
break;
}
case 'm':
{
char* ptr;
unsigned address;
unsigned len;
{
char* ptr;
unsigned address;
unsigned len;
// The 'm' command has the form mAAA,LLL
// where AAA is the address and LLL is the
// number of bytes.
ptr = sCommand + 1;
address = 0;
len = 0;
while (ptr && *ptr && (*ptr != ',')) {
address <<= 4;
address += parse_nibble(*ptr);
ptr += 1;
}
if (*ptr == ',')
ptr += 1;
while (ptr && *ptr) {
len <<= 4;
len += parse_nibble(*ptr);
ptr += 1;
}
if (len > 128)
len = 128;
// We cannot directly access the requested memory
// for gdb may be trying to access an stray pointer
// We copy the memory to a safe buffer using
// the bulletproof user_memcpy().
if (user_memcpy(sSafeMemory, (char*)address, len) < 0)
gdb_reply("E02");
else
gdb_memreply(sSafeMemory, len);
// The 'm' command has the form mAAA,LLL
// where AAA is the address and LLL is the
// number of bytes.
ptr = sCommand + 1;
address = 0;
len = 0;
while (ptr && *ptr && (*ptr != ',')) {
address <<= 4;
address += parse_nibble(*ptr);
ptr += 1;
}
if (*ptr == ',')
ptr += 1;
while (ptr && *ptr) {
len <<= 4;
len += parse_nibble(*ptr);
ptr += 1;
}
if (len > 128)
len = 128;
// We cannot directly access the requested memory
// for gdb may be trying to access an stray pointer
// We copy the memory to a safe buffer using
// the bulletproof user_memcpy().
if (user_memcpy(sSafeMemory, (char*)address, len) < 0)
gdb_reply("E02");
else
gdb_memreply(sSafeMemory, len);
break;
}
case 'k':
// Command 'k' actual semantics is 'kill the damn thing'.