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RISC-V: Add _dl_start_user. 

This is required for the debugglibc.sh script to work.  Tested by
successfully using this patched script, and a riscv64-linux testsuite
run.

We could perhaps call RTLD_EPILOGUE for ENTRY_POINT before calling
RTLD_PROLOGUE for _dl_start_user, but I don't think it matters.

OK?

Jim
This commit is contained in:
Jim Wilson 2020-11-09 16:53:23 -08:00 committed by DJ Delorie
parent 75a193b761
commit 1f67f23fdf
1 changed files with 3 additions and 1 deletions
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4
sysdeps/riscv/dl-machine.h
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@ -105,6 +105,7 @@ elf_machine_load_address (void)
" _RTLD_PROLOGUE (ENTRY_POINT) "\ " _RTLD_PROLOGUE (ENTRY_POINT) "\
mv a0, sp\n\ mv a0, sp\n\
jal _dl_start\n\ jal _dl_start\n\
" _RTLD_PROLOGUE (_dl_start_user) "\
# Stash user entry point in s0.\n\ # Stash user entry point in s0.\n\
mv s0, a0\n\ mv s0, a0\n\
# See if we were run as a command with the executable file\n\ # See if we were run as a command with the executable file\n\
@ -131,7 +132,8 @@ elf_machine_load_address (void)
lla a0, _dl_fini\n\ lla a0, _dl_fini\n\
# Jump to the user entry point.\n\ # Jump to the user entry point.\n\
jr s0\n\ jr s0\n\
" _RTLD_EPILOGUE (ENTRY_POINT) "\ " _RTLD_EPILOGUE (ENTRY_POINT) \
_RTLD_EPILOGUE (_dl_start_user) "\
.previous" \ .previous" \
); );