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doc: Add gdb assembly debugging info.

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* HACKING: Add gdb assembly debugging info.
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Jan Nieuwenhuizen 2017-01-22 14:16:22 +01:00
parent 4d5ba83392
commit 8692fa3bb8
1 changed files with 11 additions and 1 deletions
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12
HACKING
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@ -28,7 +28,7 @@ time to start doing something useful.
** Fluids are a hack for Nyacc. ** Fluids are a hack for Nyacc.
** Prototype mes.c depends on a C compiler. ** Prototype mes.c depends on a C compiler.
*** Translate C-prototype mes.c into annotated hex? *** Translate C-prototype mes.c into annotated hex?
One idea is to use OrianJ's amazing self-hosting [[https://github.com/oriansj/stage0][stage0]] hex assembler One idea is to use OriansJ's amazing self-hosting [[https://github.com/oriansj/stage0][stage0]] hex assembler
and minimal bootstrap binaries and rewrite the mes.c core to directly and minimal bootstrap binaries and rewrite the mes.c core to directly
bootstrap into Scheme. bootstrap into Scheme.
@ -73,6 +73,16 @@ in scope as there is no mention of such things; only ML is mentioned
while Guile is used for bootstrapping. while Guile is used for bootstrapping.
* Assorted ideas and info * Assorted ideas and info
** Using GDB on assembly/a.out
info registers
p/x $eax
p/x $edx
set disassemble-next-line
gdb-display-disassembly-buffer
b *0x804a79d
** Create memory dump with 32 bit Gcc compiled Mes
guix environment --ad-hoc --system=i686-linux gcc-toolchain -- bash -c 'make mes CC=i686-unknown-linux-gnu-gcc LIBRARY_PATH=${PATH%%/bin:*}/lib'
MES_HACK=1 ./mes-32 --dump < module/mes/read-0.mes > module/mes/read-0-32.mo
** C parser/compiler ** C parser/compiler
*** [[https://savannah.gnu.org/projects/nyacc][nyacc]] *** [[https://savannah.gnu.org/projects/nyacc][nyacc]]
*** PEG: [[http://piumarta.com/software/peg/][parse C using PEG]] *** PEG: [[http://piumarta.com/software/peg/][parse C using PEG]]