mirror of
https://github.com/RaySollium99/picodrive.git
synced 2025-09-05 07:17:45 -04:00
substituted tool to obtain target structure offsets (for asm)
This commit is contained in:
kub
parent
2fa02d5a63
commit
122afd9d37
4 changed files with 89 additions and 37 deletions
9
Makefile
9
Makefile
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@ -47,6 +47,7 @@ asm_ym2612 ?= 1
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asm_misc ?= 1
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asm_cdmemory ?= 1
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asm_mix ?= 1
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asm_32xdraw ?= 0 # currently defunct
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else # if not arm
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use_fame ?= 1
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use_cz80 ?= 1
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@ -194,10 +195,10 @@ LDFLAGS += -Wl,-Map=$(TARGET).map
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endif
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target_: $(TARGET)
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target_: pico/pico_int_o32.h $(TARGET)
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clean:
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$(RM) $(TARGET) $(OBJS)
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$(RM) $(TARGET) $(OBJS) pico/pico_int_o32.h
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$(RM) -r .opk_data
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$(TARGET): $(OBJS)
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@ -210,8 +211,8 @@ endif
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pprof: platform/linux/pprof.c
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$(CC) $(CFLAGS) -O2 -ggdb -DPPROF -DPPROF_TOOL -I../../ -I. $^ -o $@ $(LDFLAGS) $(LDLIBS)
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tools/textfilter: tools/textfilter.c
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make -C tools/ textfilter
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pico/pico_int_o32.h:: tools/mkoffsets.sh
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make -C tools/ XCC="$(CC)" XCFLAGS="$(CFLAGS)"
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.s.o:
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$(CC) $(CFLAGS) -c $< -o $@
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@ -1,28 +0,0 @@
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/* autogenerated by tools/mkoffsets, do not edit */
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#define OFS_Pico_video_reg 0x0000
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#define OFS_Pico_m_rotate 0x0040
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#define OFS_Pico_m_z80Run 0x0041
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#define OFS_Pico_m_dirtyPal 0x0046
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#define OFS_Pico_m_hardware 0x0047
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#define OFS_Pico_m_z80_reset 0x004f
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#define OFS_Pico_m_sram_reg 0x0049
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#define OFS_Pico_sv 0x008c
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#define OFS_Pico_sv_data 0x008c
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#define OFS_Pico_sv_start 0x0090
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#define OFS_Pico_sv_end 0x0094
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#define OFS_Pico_sv_flags 0x0098
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#define OFS_Pico_rom 0x033c
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#define OFS_Pico_romsize 0x0340
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#define OFS_EST_DrawScanline 0x00
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#define OFS_EST_rendstatus 0x04
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#define OFS_EST_DrawLineDest 0x08
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#define OFS_EST_HighCol 0x0c
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#define OFS_EST_HighPreSpr 0x10
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#define OFS_EST_Pico 0x14
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#define OFS_EST_PicoMem_vram 0x18
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#define OFS_EST_PicoMem_cram 0x1c
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#define OFS_EST_PicoOpt 0x20
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#define OFS_EST_Draw2FB 0x24
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#define OFS_EST_HighPal 0x28
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#define OFS_PMEM_vram 0x10000
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#define OFS_PMEM_vsram 0x22100
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@ -1,13 +1,10 @@
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CFLAGS = -Wall -ggdb
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TARGETS = amalgamate textfilter mkoffsets
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TARGETS = amalgamate textfilter
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OBJS = $(addsuffix .o,$(TARGETS))
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all: $(TARGETS)
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CC="$(XCC)" CFLAGS="$(XCFLAGS)" ./mkoffsets.sh ../pico
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clean:
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$(RM) $(TARGETS) $(OBJS)
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mkoffsets: CFLAGS += -m32 -I..
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.PHONY: clean all
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82
tools/mkoffsets.sh
Executable file
82
tools/mkoffsets.sh
Executable file
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@ -0,0 +1,82 @@
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# usage: mkoffsets <output dir>
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# automatically compute structure offsets for gcc targets in ELF format
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CC=${CC:-gcc}
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# endianess of target (automagically determined below)
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ENDIAN=
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compile_rodata ()
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{
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$CC $CFLAGS -I .. -c /tmp/getoffs.c -o /tmp/getoffs.o || exit 1
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rosect=$(readelf -S /tmp/getoffs.o | grep '\.rodata' |
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sed 's/^[^.]*././;s/ .*//')
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objcopy --dump-section $rosect=/tmp/getoffs.ro /tmp/getoffs.o || exit 1
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ro=$(xxd -ps /tmp/getoffs.ro)
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if [ "$ENDIAN" = "le" ]; then
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# swap needed for le target
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hex=""
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for b in $(echo $ro | sed 's/\([0-9a-f]\{2\}\)/\1 /g'); do
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hex=$b$hex;
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done
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else
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hex=$ro
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fi
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rodata=$(printf "%d" 0x$hex)
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}
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get_define () # prefix struct member member...
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{
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prefix=$1; shift
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struct=$1; shift
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field=$(echo $* | sed 's/ /./g')
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name=$(echo $* | sed 's/ /_/g')
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echo '#include "pico/pico_int.h"' > /tmp/getoffs.c
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echo "static const struct $struct p;" >> /tmp/getoffs.c
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echo "const int offs = (char *)&p.$field - (char*)&p;" >>/tmp/getoffs.c
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compile_rodata
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line=$(printf "#define %-20s 0x%04x" $prefix$name $rodata)
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}
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# determine endianess
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echo "const int one = 1;" >/tmp/getoffs.c
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compile_rodata
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ENDIAN=$(if [ "$rodata" -eq 1 ]; then echo be; else echo le; fi)
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# determine output file
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echo "const int vsz = sizeof(void *);" >/tmp/getoffs.c
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compile_rodata
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fn="${1:-.}/pico_int_o$((8*$rodata)).h"
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# output header
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echo "/* autogenerated by mkoffset.sh, do not edit */" >$fn
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echo "/* target endianess: $ENDIAN, compiled with: $CC $CFLAGS */" >>$fn
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# output offsets
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get_define OFS_Pico_ Pico video reg ; echo "$line" >>$fn
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get_define OFS_Pico_ Pico m rotate ; echo "$line" >>$fn
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get_define OFS_Pico_ Pico m z80Run ; echo "$line" >>$fn
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get_define OFS_Pico_ Pico m dirtyPal ; echo "$line" >>$fn
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get_define OFS_Pico_ Pico m hardware ; echo "$line" >>$fn
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get_define OFS_Pico_ Pico m z80_reset ; echo "$line" >>$fn
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get_define OFS_Pico_ Pico m sram_reg ; echo "$line" >>$fn
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get_define OFS_Pico_ Pico sv ; echo "$line" >>$fn
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get_define OFS_Pico_ Pico sv data ; echo "$line" >>$fn
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get_define OFS_Pico_ Pico sv start ; echo "$line" >>$fn
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get_define OFS_Pico_ Pico sv end ; echo "$line" >>$fn
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get_define OFS_Pico_ Pico sv flags ; echo "$line" >>$fn
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get_define OFS_Pico_ Pico rom ; echo "$line" >>$fn
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get_define OFS_Pico_ Pico romsize ; echo "$line" >>$fn
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get_define OFS_Pico_ Pico est ; echo "$line" >>$fn
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get_define OFS_EST_ PicoEState DrawScanline ; echo "$line" >>$fn
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get_define OFS_EST_ PicoEState rendstatus ; echo "$line" >>$fn
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get_define OFS_EST_ PicoEState DrawLineDest ; echo "$line" >>$fn
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get_define OFS_EST_ PicoEState HighCol ; echo "$line" >>$fn
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get_define OFS_EST_ PicoEState HighPreSpr ; echo "$line" >>$fn
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get_define OFS_EST_ PicoEState Pico ; echo "$line" >>$fn
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get_define OFS_EST_ PicoEState PicoMem_vram ; echo "$line" >>$fn
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get_define OFS_EST_ PicoEState PicoMem_cram ; echo "$line" >>$fn
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get_define OFS_EST_ PicoEState PicoOpt ; echo "$line" >>$fn
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get_define OFS_EST_ PicoEState Draw2FB ; echo "$line" >>$fn
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get_define OFS_EST_ PicoEState HighPal ; echo "$line" >>$fn
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get_define OFS_PMEM_ PicoMem vram ; echo "$line" >>$fn
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get_define OFS_PMEM_ PicoMem vsram ; echo "$line" >>$fn
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