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cmake: Assembly listing containing all sections

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Added support for creating an assembly listing containing all sections
like rodata, data and debug sections, not just those expected to
contain instructions.

Signed-off-by: Rohit Gujarathi <gujju.rohit@gmail.com>
This commit is contained in:
Rohit Gujarathi 2020-05-07 10:08:37 +05:30 • committed by Anas Nashif
commit 35713f2ef6
3 changed files with 18 additions and 2 deletions
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7
CMakeLists.txt
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@ -1214,10 +1214,15 @@ endif()
if(CONFIG_OUTPUT_DISASSEMBLY) if(CONFIG_OUTPUT_DISASSEMBLY)
set(out_disassembly_cmd "") set(out_disassembly_cmd "")
set(out_disassembly_byprod "") set(out_disassembly_byprod "")
if(CONFIG_OUTPUT_DISASSEMBLE_ALL)
set(disassembly_type DISASSEMBLE_ALL)
else()
set(disassembly_type DISASSEMBLE_SOURCE)
endif()
bintools_objdump( bintools_objdump(
RESULT_CMD_LIST out_disassembly_cmd RESULT_CMD_LIST out_disassembly_cmd
RESULT_BYPROD_LIST out_disassembly_byprod RESULT_BYPROD_LIST out_disassembly_byprod
DISASSEMBLE_SOURCE ${disassembly_type}
FILE_INPUT ${KERNEL_ELF_NAME} FILE_INPUT ${KERNEL_ELF_NAME}
FILE_OUTPUT ${KERNEL_LST_NAME} FILE_OUTPUT ${KERNEL_LST_NAME}
) )

8
Kconfig.zephyr
View file

@ -288,6 +288,14 @@ config OUTPUT_DISASSEMBLY
help help
Create an .lst file with the assembly listing of the firmware. Create an .lst file with the assembly listing of the firmware.
config OUTPUT_DISASSEMBLE_ALL
bool "Disassemble all sections with source. Fill zeros."
default n
depends on OUTPUT_DISASSEMBLY
help
The .lst file will contain complete disassembly of the firmware
not just those expected to contain instructions including zeros
config OUTPUT_PRINT_MEMORY_USAGE config OUTPUT_PRINT_MEMORY_USAGE
bool "Print memory usage to stdout" bool "Print memory usage to stdout"
default y default y

5
cmake/bintools/gnu/target_objdump.cmake
View file

@ -10,6 +10,7 @@
# #
# DISASSEMBLE <Display the assembler mnemonics for the machine instructions from input> # DISASSEMBLE <Display the assembler mnemonics for the machine instructions from input>
# DISASSEMBLE_SOURCE < Display source code intermixed with disassembly, if possible> # DISASSEMBLE_SOURCE < Display source code intermixed with disassembly, if possible>
# DISASSEMBLE_ALL <Display disassembly of all sections not just the instruction sections>
# #
# FILE_INPUT <The input file> # FILE_INPUT <The input file>
# FILE_OUTPUT <The output file> # FILE_OUTPUT <The output file>
@ -19,7 +20,7 @@ function(bintools_objdump)
# Prefix of output variables # Prefix of output variables
BINTOOLS_OBJDUMP BINTOOLS_OBJDUMP
# List of argument names without values, hence boolean # List of argument names without values, hence boolean
"DISASSEMBLE;DISASSEMBLE_SOURCE" "DISASSEMBLE;DISASSEMBLE_SOURCE;DISASSEMBLE_ALL"
# List of argument names with one value # List of argument names with one value
"RESULT_CMD_LIST;RESULT_BYPROD_LIST;FILE_INPUT;FILE_OUTPUT" "RESULT_CMD_LIST;RESULT_BYPROD_LIST;FILE_INPUT;FILE_OUTPUT"
# List of argument names with multible values # List of argument names with multible values
@ -41,6 +42,8 @@ function(bintools_objdump)
set(obj_dump_disassemble "-S") # --source set(obj_dump_disassemble "-S") # --source
elseif(${BINTOOLS_OBJDUMP_DISASSEMBLE}) elseif(${BINTOOLS_OBJDUMP_DISASSEMBLE})
set(obj_dump_disassemble "-d") # --disassemble set(obj_dump_disassemble "-d") # --disassemble
elseif(${BINTOOLS_OBJDUMP_DISASSEMBLE_ALL})
set(obj_dump_disassemble "-SDz") # --source --disassemble-all --disassemble-zeroes
endif() endif()
# Handle output # Handle output