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Don't show debug registers in "show registers". Special registers should

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be displayed specially, and debug registers are among of the least
interesting special registers (far behind %cr3).  The debug registers
are still accessible as variables and displayed in another bogus place
("show watches").
This commit is contained in:
bde 2006-10-20 09:44:21 +00:00
parent 5a969a2f85
commit 71ae396a29
2 changed files with 4 additions and 2 deletions
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3
sys/amd64/amd64/db_trace.c
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@ -91,6 +91,7 @@ struct db_variable db_regs[] = {
{ "r15", DB_OFFSET(tf_r15), db_frame }, { "r15", DB_OFFSET(tf_r15), db_frame },
{ "rip", DB_OFFSET(tf_rip), db_frame }, { "rip", DB_OFFSET(tf_rip), db_frame },
{ "rflags", DB_OFFSET(tf_rflags), db_frame }, { "rflags", DB_OFFSET(tf_rflags), db_frame },
#define DB_N_SHOW_REGS 20 /* Don't show registers after here. */
{ "dr0", NULL, db_dr0 }, { "dr0", NULL, db_dr0 },
{ "dr1", NULL, db_dr1 }, { "dr1", NULL, db_dr1 },
{ "dr2", NULL, db_dr2 }, { "dr2", NULL, db_dr2 },
@ -100,7 +101,7 @@ struct db_variable db_regs[] = {
{ "dr6", NULL, db_dr6 }, { "dr6", NULL, db_dr6 },
{ "dr7", NULL, db_dr7 }, { "dr7", NULL, db_dr7 },
}; };
struct db_variable *db_eregs = db_regs + sizeof(db_regs)/sizeof(db_regs[0]); struct db_variable *db_eregs = db_regs + DB_N_SHOW_REGS;
#define DB_DRX_FUNC(reg) \ #define DB_DRX_FUNC(reg) \
static int \ static int \

3
sys/i386/i386/db_trace.c
View File

@ -80,6 +80,7 @@ struct db_variable db_regs[] = {
{ "edi", DB_OFFSET(tf_edi), db_frame }, { "edi", DB_OFFSET(tf_edi), db_frame },
{ "eip", DB_OFFSET(tf_eip), db_frame }, { "eip", DB_OFFSET(tf_eip), db_frame },
{ "efl", DB_OFFSET(tf_eflags), db_frame }, { "efl", DB_OFFSET(tf_eflags), db_frame },
#define DB_N_SHOW_REGS 15 /* Don't show registers after here. */
{ "dr0", NULL, db_dr0 }, { "dr0", NULL, db_dr0 },
{ "dr1", NULL, db_dr1 }, { "dr1", NULL, db_dr1 },
{ "dr2", NULL, db_dr2 }, { "dr2", NULL, db_dr2 },
@ -89,7 +90,7 @@ struct db_variable db_regs[] = {
{ "dr6", NULL, db_dr6 }, { "dr6", NULL, db_dr6 },
{ "dr7", NULL, db_dr7 }, { "dr7", NULL, db_dr7 },
}; };
struct db_variable *db_eregs = db_regs + sizeof(db_regs)/sizeof(db_regs[0]); struct db_variable *db_eregs = db_regs + DB_N_SHOW_REGS;
#define DB_DRX_FUNC(reg) \ #define DB_DRX_FUNC(reg) \
static int \ static int \