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| author | Gerd Moellmann | 2000-10-16 11:43:01 +0000 |
|---|---|---|
| committer | Gerd Moellmann | 2000-10-16 11:43:01 +0000 |
| commit | 1e4d32f80e868ab417c2acf1002e378b03237d7e (patch) | |
| tree | d26277c76258987a5ffe9e7a8332dbb703f3ea7d /etc | |
| parent | 5e0c8a235d7115a5d00fd69210d11583f935979f (diff) | |
| download | emacs-1e4d32f80e868ab417c2acf1002e378b03237d7e.tar.gz emacs-1e4d32f80e868ab417c2acf1002e378b03237d7e.zip | |
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Diffstat (limited to 'etc')
| -rw-r--r-- | etc/ChangeLog | 6 | ||||
| -rw-r--r-- | etc/DEBUG | 35 |
2 files changed, 9 insertions, 32 deletions
diff --git a/etc/ChangeLog b/etc/ChangeLog index 7645f002188..46d1b5be54b 100644 --- a/etc/ChangeLog +++ b/etc/ChangeLog | |||
| @@ -1,3 +1,9 @@ | |||
| 1 | 2000-10-16 Gerd Moellmann <gerd@gnu.org> | ||
| 2 | |||
| 3 | * 3B-MAXMEM, AIX.DUMP, SUN-SUPPORT: Removed. | ||
| 4 | |||
| 5 | * tasks.texi: Updated to the version from /gd/gnuorg. | ||
| 6 | |||
| 1 | 2000-10-13 John Wiegley <johnw@gnu.org> | 7 | 2000-10-13 John Wiegley <johnw@gnu.org> |
| 2 | 8 | ||
| 3 | * NEWS: Added a note about Eshell. | 9 | * NEWS: Added a note about Eshell. |
| @@ -1,5 +1,5 @@ | |||
| 1 | Debugging GNU Emacs | 1 | Debugging GNU Emacs |
| 2 | Copyright (c) 1985 Richard M. Stallman. | 2 | Copyright (c) 1985, 2000 Free Software Foundation, Inc. |
| 3 | 3 | ||
| 4 | Permission is granted to anyone to make or distribute verbatim copies | 4 | Permission is granted to anyone to make or distribute verbatim copies |
| 5 | of this document as received, in any medium, provided that the | 5 | of this document as received, in any medium, provided that the |
| @@ -12,23 +12,6 @@ Copyright (c) 1985 Richard M. Stallman. | |||
| 12 | under the above conditions, provided also that they | 12 | under the above conditions, provided also that they |
| 13 | carry prominent notices stating who last changed them. | 13 | carry prominent notices stating who last changed them. |
| 14 | 14 | ||
| 15 | On 4.2 you will probably find that dbx does not work for | ||
| 16 | debugging GNU Emacs. For one thing, dbx does not keep the | ||
| 17 | inferior process's terminal modes separate from its own. | ||
| 18 | For another, dbx does not put the inferior in a separate | ||
| 19 | process group, which makes trouble when an inferior uses | ||
| 20 | interrupt input, which GNU Emacs must do on 4.2. | ||
| 21 | |||
| 22 | dbx has also been observed to have other problems, | ||
| 23 | such as getting incorrect values for register variables | ||
| 24 | in stack frames other than the innermost one. | ||
| 25 | |||
| 26 | The Emacs distribution now contains GDB, the new source-level | ||
| 27 | debugger for the GNU system. GDB works for debugging Emacs. | ||
| 28 | GDB currently runs on vaxes under 4.2 and on Sun 2 and Sun 3 | ||
| 29 | systems. | ||
| 30 | |||
| 31 | |||
| 32 | ** Some useful techniques | 15 | ** Some useful techniques |
| 33 | 16 | ||
| 34 | `Fsignal' is a very useful place to stop in. | 17 | `Fsignal' is a very useful place to stop in. |
| @@ -50,21 +33,9 @@ to get an opportunity to do the set command. | |||
| 50 | 33 | ||
| 51 | If you are using cbreak input (see the Lisp function set-input-mode), | 34 | If you are using cbreak input (see the Lisp function set-input-mode), |
| 52 | then typing Control-g will cause a SIGINT, which will return control | 35 | then typing Control-g will cause a SIGINT, which will return control |
| 53 | to the debugger immediately unless you have done | 36 | to GDB immediately if you type this command first: |
| 54 | |||
| 55 | ignore 3 (in dbx) | ||
| 56 | or handle 3 nostop noprint (in gdb) | ||
| 57 | |||
| 58 | You will note that most of GNU Emacs is written to avoid | ||
| 59 | declaring a local variable in an inner block, even in | ||
| 60 | cases where using one would be the cleanest thing to do. | ||
| 61 | This is because dbx cannot access any of the variables | ||
| 62 | in a function which has even one variable defined in an | ||
| 63 | inner block. A few functions in GNU Emacs do have variables | ||
| 64 | in inner blocks, only because I wrote them before realizing | ||
| 65 | that dbx had this problem and never rewrote them to avoid it. | ||
| 66 | 37 | ||
| 67 | I believe that GDB does not have such a problem. | 38 | handle 2 stop |
| 68 | 39 | ||
| 69 | 40 | ||
| 70 | ** Examining Lisp object values. | 41 | ** Examining Lisp object values. |