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Merge branch 'gdb-userspace' into 'master'

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Add gdb-userspace target

See merge request redox-os/redox!1445
This commit is contained in:
Jeremy Soller 2024-06-09 12:02:45 +00:00
parent 43ae8293b0 8cedebed4b
commit ecec60c62e
1 changed files with 12 additions and 1 deletions
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13
Makefile
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@ -90,8 +90,19 @@ else
endif endif
export RUST_GDB=gdb-multiarch # Necessary when debugging for another architecture than the host export RUST_GDB=gdb-multiarch # Necessary when debugging for another architecture than the host
GDB_KERNEL_FILE=cookbook/recipes/core/kernel/target/$(TARGET)/build/kernel.sym
gdb: FORCE gdb: FORCE
gdb cookbook/recipes/core/kernel/target/$(TARGET)/build/kernel.sym --eval-command="target remote localhost:1234" rust-gdb $(GDB_KERNEL_FILE) --eval-command="target remote :1234"
# This target allows debugging a userspace application without requiring gdbserver running inside
# the VM. Because gdb doesn't know when the userspace application is scheduled by the kernel and as
# it stops the entire VM rather than just the userspace application that the user wants to debug,
# connecting to a gdbserver running inside the VM is highly encouraged when possible. This target
# should only be used when the application to debug runs early during boot before the network stack
# has started or you need to debug the interaction between the application and the kernel.
# tl;dr: DO NOT USE THIS TARGET UNLESS YOU HAVE TO
gdb-userspace: FORCE
rust-gdb $(GDB_APP_FILE) --eval-command="add-symbol-file $(GDB_KERNEL_FILE) 0x$(shell readelf -S $(GDB_KERNEL_FILE) | grep .text | cut -c43-58)" --eval-command="target remote :1234"
# An empty target # An empty target
FORCE: FORCE: