| ddb.4 (122522) | ddb.4 (130582) |
|---|---|
| 1.\" 2.\" Mach Operating System 3.\" Copyright (c) 1991,1990 Carnegie Mellon University 4.\" All Rights Reserved. 5.\" 6.\" Permission to use, copy, modify and distribute this software and its 7.\" documentation is hereby granted, provided that both the copyright 8.\" notice and this permission notice appear in all copies of the --- 43 unchanged lines hidden (view full) --- 52.\" Revision 2.2 91/02/14 14:10:06 mrt 53.\" Changed to new Mach copyright 54.\" [91/02/12 18:10:12 mrt] 55.\" 56.\" Revision 2.2 90/08/30 14:23:15 dbg 57.\" Created. 58.\" [90/08/30 dbg] 59.\" | 1.\" 2.\" Mach Operating System 3.\" Copyright (c) 1991,1990 Carnegie Mellon University 4.\" All Rights Reserved. 5.\" 6.\" Permission to use, copy, modify and distribute this software and its 7.\" documentation is hereby granted, provided that both the copyright 8.\" notice and this permission notice appear in all copies of the --- 43 unchanged lines hidden (view full) --- 52.\" Revision 2.2 91/02/14 14:10:06 mrt 53.\" Changed to new Mach copyright 54.\" [91/02/12 18:10:12 mrt] 55.\" 56.\" Revision 2.2 90/08/30 14:23:15 dbg 57.\" Created. 58.\" [90/08/30 dbg] 59.\" |
| 60.\" $FreeBSD: head/share/man/man4/ddb.4 122522 2003-11-12 02:35:20Z hmp $ | 60.\" $FreeBSD: head/share/man/man4/ddb.4 130582 2004-06-16 08:33:57Z ru $ |
| 61.Dd January 16, 1996 62.Dt DDB 4 63.Os 64.Sh NAME 65.Nm ddb 66.Nd interactive kernel debugger 67.Sh SYNOPSIS 68.Cd options DDB --- 58 unchanged lines hidden (view full) --- 127for the output. 128If an output line exceeds the number set in the 129.Li \&$lines 130variable, it displays 131.Dq Em --db_more-- 132and waits for a response. 133The valid responses for it are: 134.Pp | 61.Dd January 16, 1996 62.Dt DDB 4 63.Os 64.Sh NAME 65.Nm ddb 66.Nd interactive kernel debugger 67.Sh SYNOPSIS 68.Cd options DDB --- 58 unchanged lines hidden (view full) --- 127for the output. 128If an output line exceeds the number set in the 129.Li \&$lines 130variable, it displays 131.Dq Em --db_more-- 132and waits for a response. 133The valid responses for it are: 134.Pp |
| 135.Bl -tag -compact -width SPC | 135.Bl -tag -compact -width ".Li SPC" |
| 136.It Li SPC 137one more page 138.It Li RET 139one more line 140.It Li q 141abort the current command, and return to the command input mode 142.El 143.Pp --- 47 unchanged lines hidden (view full) --- 191.It Li m 192display in unsigned hex with character dump at the end of each line. 193The location is also displayed in hex at the beginning of each line. 194.It Li i 195display as an instruction 196.It Li I 197display as an instruction with possible alternate formats depending on the 198machine: | 136.It Li SPC 137one more page 138.It Li RET 139one more line 140.It Li q 141abort the current command, and return to the command input mode 142.El 143.Pp --- 47 unchanged lines hidden (view full) --- 191.It Li m 192display in unsigned hex with character dump at the end of each line. 193The location is also displayed in hex at the beginning of each line. 194.It Li i 195display as an instruction 196.It Li I 197display as an instruction with possible alternate formats depending on the 198machine: |
| 199.Bl -tag -width powerpc -compact | 199.Bl -tag -width ".Tn powerpc" -compact |
| 200.It Tn alpha 201Show the registers of the instruction. 202.It Tn amd64 | 200.It Tn alpha 201Show the registers of the instruction. 202.It Tn amd64 |
| 203No alternate format | 203No alternate format. |
| 204.It Tn i386 | 204.It Tn i386 |
| 205No alternate format | 205No alternate format. |
| 206.It Tn ia64 | 206.It Tn ia64 |
| 207No alternate format | 207No alternate format. |
| 208.It Tn powerpc | 208.It Tn powerpc |
| 209No alternate format | 209No alternate format. |
| 210.It Tn sparc64 | 210.It Tn sparc64 |
| 211No alternate format | 211No alternate format. |
| 212.El 213.El 214.It Cm xf 215Examine forward: 216Execute an examine command with the last specified parameters to it 217except that the next address displayed by it is used as the start address. 218.It Cm xb 219Examine backward: --- 288 unchanged lines hidden (view full) --- 508Some variables are suffixed with numbers, and may have some modifier 509following a colon immediately after the variable name. 510For example, register variables can have a 511.Li u 512modifier to indicate user register (e.g., 513.Li $eax:u ) . 514.Pp 515Built-in variables currently supported are: | 212.El 213.El 214.It Cm xf 215Examine forward: 216Execute an examine command with the last specified parameters to it 217except that the next address displayed by it is used as the start address. 218.It Cm xb 219Examine backward: --- 288 unchanged lines hidden (view full) --- 508Some variables are suffixed with numbers, and may have some modifier 509following a colon immediately after the variable name. 510For example, register variables can have a 511.Li u 512modifier to indicate user register (e.g., 513.Li $eax:u ) . 514.Pp 515Built-in variables currently supported are: |
| 516.Bl -tag -width tabstops -compact | 516.Bl -tag -width ".Li tabstops" -compact |
| 517.It Li radix 518Input and output radix 519.It Li maxoff 520Addresses are printed as 'symbol'+offset unless offset is greater than maxoff. 521.It Li maxwidth 522The width of the displayed line. 523.It Li lines 524The number of lines. --- 11 unchanged lines hidden (view full) --- 536Almost all expression operators in C are supported except 537.Sq Li \&~ , 538.Sq Li \&^ , 539and unary 540.Sq Li \&& . 541Special rules in 542.Nm 543are: | 517.It Li radix 518Input and output radix 519.It Li maxoff 520Addresses are printed as 'symbol'+offset unless offset is greater than maxoff. 521.It Li maxwidth 522The width of the displayed line. 523.It Li lines 524The number of lines. --- 11 unchanged lines hidden (view full) --- 536Almost all expression operators in C are supported except 537.Sq Li \&~ , 538.Sq Li \&^ , 539and unary 540.Sq Li \&& . 541Special rules in 542.Nm 543are: |
| 544.Bl -tag -width Identifiers | 544.Bl -tag -width ".Em Identifiers" |
| 545.It Em Identifiers 546The name of a symbol is translated to the value of the symbol, which 547is the address of the corresponding object. 548.Sq Li \&. 549and 550.Sq Li \&: 551can be used in the identifier. 552If supported by an object format dependent routine, --- 64 unchanged lines hidden --- | 545.It Em Identifiers 546The name of a symbol is translated to the value of the symbol, which 547is the address of the corresponding object. 548.Sq Li \&. 549and 550.Sq Li \&: 551can be used in the identifier. 552If supported by an object format dependent routine, --- 64 unchanged lines hidden --- |