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small readme formatting changes

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nnosov
2020-05-26 22:54:05 +04:00
parent 5b96c0524e
commit f88b5f8a5a
1 changed files with 5 additions and 2 deletions
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README.md
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@@ -18,7 +18,7 @@ As a first sub-stage of 1st goal is to handle only C/C++ base types such as poin
As a second sub-stage of 1st goal is to handle dereferenced pointers to data types with pointer validation **(done)**. As a second sub-stage of 1st goal is to handle dereferenced pointers to data types with pointer validation **(done)**.
As a second sub-stage of 1st goal is to handle composite types such as a C structures, arrays, C++ classes, etc **(in progress)**. As a third sub-stage of 1st goal is to handle composite types such as a C structures, arrays, C++ classes, etc **(in progress)**.
## Dependencies ## Dependencies
@@ -38,7 +38,7 @@ To build, install these packages:
As an example how to use library, see tests/main.c As an example how to use library, see tests/main.c
## commands to work with debug information ## Commands to work with debug information
produce very simple debug info without sources produce very simple debug info without sources
`echo 'void foo () {}' | gcc -g -O99 -o - -S -xc - -dA | grep frame_base` `echo 'void foo () {}' | gcc -g -O99 -o - -S -xc - -dA | grep frame_base`
@@ -75,8 +75,11 @@ disassemble executable
## unwinding-related gcc options ## unwinding-related gcc options
*-funwind-tables* tells linker to generate .eh_frame section containing CFI. enabled by default if gcc/g++ used for linking *-funwind-tables* tells linker to generate .eh_frame section containing CFI. enabled by default if gcc/g++ used for linking
*-fexceptions* Enable exception handling. Generates extra code needed to propagate exceptions. *-fexceptions* Enable exception handling. Generates extra code needed to propagate exceptions.
*-rdynamic* exports the symbols of an executable, allows to print function names in backtrace *-rdynamic* exports the symbols of an executable, allows to print function names in backtrace
*-fno-omit-frame-pointer* instructs the compiler to store the stack frame pointer in a register RBP for x86_64. *-fno-omit-frame-pointer* instructs the compiler to store the stack frame pointer in a register RBP for x86_64.
## Useful links ## Useful links