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iop: default srxfixup flags & allow zero-.text for non-exporting modules #817

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Merged
uyjulian merged 1 commit into from
Mar 6, 2026
Merged

iop: default srxfixup flags & allow zero-.text for non-exporting modules #817

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18 changes: 17 additions & 1 deletion samples/Makefile.iopglobal_sample
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Original file line number Diff line number Diff line change
Expand Up @@ -72,8 +72,24 @@ ifeq ($(IOP_LINKFILE),)
IOP_LINKFILE := $(PS2SDK)/iop/startup/linkfile
endif

# Populate object paths
IOP_OBJS := $(IOP_OBJS:%=$(IOP_OBJS_DIR)%)

# If this build produces an exports.o, ensure it is linked first so the
# export-table object occupies .text offset 0 (helps srxfixup detection).
ifneq (,$(filter $(IOP_OBJS_DIR)exports.o,$(IOP_OBJS)))
IOP_OBJS := $(IOP_OBJS_DIR)exports.o $(filter-out $(IOP_OBJS_DIR)exports.o,$(IOP_OBJS))
endif

# srxfixup flags: default to `--rb --irx1`. If this module does not build an
# exports.o, add `--allow-zero-text` (modules without an export table may
# legitimately lack an STT_OBJECT at .text offset 0). Top-level Makefiles may
# override `IOP_SRXFIXUP_FLAGS` if they need custom behaviour.
IOP_SRXFIXUP_FLAGS := --rb --irx1
ifeq (,$(filter $(IOP_OBJS_DIR)exports.o,$(IOP_OBJS)))
IOP_SRXFIXUP_FLAGS += --allow-zero-text
endif

IOP_BIN_ELF := $(IOP_BIN:.irx=.notiopmod.elf)

IOP_BIN_STRIPPED_ELF := $(IOP_BIN:.irx=.notiopmod.stripped.elf)
Expand Down Expand Up @@ -133,7 +149,7 @@ $(IOP_BIN_STRIPPED_ELF): $(IOP_BIN_ELF)

$(IOP_BIN): $(IOP_BIN_STRIPPED_ELF)
$(DIR_GUARD)
iopfixup --irx1 -o $@ $<
iopfixup $(IOP_SRXFIXUP_FLAGS) -o $@ $<

$(IOP_LIB): $(IOP_OBJS)
$(DIR_GUARD)
Expand Down