GNU Binutils with patches for OS216
| Révision | a2bdbbe1234c00e53823f609ca06f5148bb1da42 (tree) |
|---|---|
| l'heure | 2020-06-26 01:23:39 |
| Auteur | Luis Machado <luis.machado@lina...> |
| Commiter | Luis Machado |
Add NEWS entry.
Mention the new packets and memory tagging features.
gdb/ChangeLog:
YYYY-MM-DD Luis Machado <luis.machado@linaro.org>
* NEWS: Mention memory tagging changes.
| @@ -3,6 +3,19 @@ | ||
| 3 | 3 | |
| 4 | 4 | *** Changes since GDB 9 |
| 5 | 5 | |
| 6 | +* GDB now supports general memory tagging functionality if the underlying | |
| 7 | + architecture supports the proper primitives and hooks. Currently this is | |
| 8 | + enabled only for AArch64 MTE. | |
| 9 | + | |
| 10 | + This includes additional information when the inferior crashes with a | |
| 11 | + SIGSEGV caused by a memory tag violation. | |
| 12 | + | |
| 13 | +* The "x" command supports the 'm' modifier to display allocation tags for | |
| 14 | + a particular memory range. | |
| 15 | + | |
| 16 | +* The "print" command will display memory tag mismatches for addresses and | |
| 17 | + pointers, if memory tagging is supported by the architecture. | |
| 18 | + | |
| 6 | 19 | * Help and apropos commands will now show the documentation of a |
| 7 | 20 | command only once, even if that command has one or more aliases. |
| 8 | 21 | These commands now show the command name, then all of its aliases, |
| @@ -63,8 +76,27 @@ | ||
| 63 | 76 | * On Windows targets, it is now possible to debug 32-bit programs with a |
| 64 | 77 | 64-bit GDB. |
| 65 | 78 | |
| 79 | +* New remote packets | |
| 80 | + | |
| 81 | +qMemTags | |
| 82 | + Request the remote to send allocation tags for a particular memory range. | |
| 83 | +QMemTags | |
| 84 | + Request the remote to store the specified allocation tags to the requested | |
| 85 | + memory range. | |
| 86 | + | |
| 66 | 87 | * New commands |
| 67 | 88 | |
| 89 | +mtag showltag ADDRESS | |
| 90 | + Show the logical tag for ADDRESS. | |
| 91 | +mtag setltag ADDRESS TAG | |
| 92 | + Set the logical tag for ADDRESS to TAG. | |
| 93 | +mtag showatag ADDRESS | |
| 94 | + Show the allocation tag for ADDRESS. | |
| 95 | +mtag setatag ADDRESS LENGTH TAGS | |
| 96 | + Set the allocation tag for [ADDRESS, ADDRESS + LENGTH) to TAGS. | |
| 97 | +mtag check ADDRESS | |
| 98 | + Validate that ADDRESS' logical tag matches the allocation tag. | |
| 99 | + | |
| 68 | 100 | set exec-file-mismatch -- Set exec-file-mismatch handling (ask|warn|off). |
| 69 | 101 | show exec-file-mismatch -- Show exec-file-mismatch handling (ask|warn|off). |
| 70 | 102 | Set or show the option 'exec-file-mismatch'. When GDB attaches to a |
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