3rd-party/linux-kernel-module-cheat
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disas

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Ciro Santilli 六四事件 法轮功
2020-06-25 06:00:05 +00:00
parent 9f0f6dc054
commit e658498578
5 changed files with 50 additions and 6 deletions
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README.adoc
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@@ -25348,7 +25348,7 @@ For this reason, we use it in particular often in this README to reduce the need
==== run-toolchain
While you could just manually find/learn the path to toolchain tools, e.g. in LKMC b15a0e455d691afa49f3b813ad9b09394dfb02b7 they are
While you could just manually find/learn the path to toolchain tools, e.g. in LKMC b15a0e455d691afa49f3b813ad9b09394dfb02b7 they are:
....
./out/buildroot/build/default/aarch64/host/bin/aarch64-buildroot-linux-gnu-gcc userland/c/hello.c
@@ -25374,6 +25374,12 @@ which outputs as of LKMC b15a0e455d691afa49f3b813ad9b09394dfb02b7:
/path/to/linux-kernel-module-cheat/out/buildroot/build/default/aarch64/host/usr/bin/aarch64-buildroot-linux-gnu
....
Since disassembly of a single function with GDB is such a common use case https://stackoverflow.com/questions/22769246/how-to-disassemble-one-single-function-using-objdump[], we have a shortcut for it:
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./disas --arch aarch64 --userland userland/c/hello.c main
....
=== Rebuild Buildroot while running
It is not possible to rebuild the root filesystem while running QEMU because QEMU holds the file qcow2 file: