Thanks Michael, the patch is working [ 157.606699] SK DEBUG look up symbol .kallsyms_lookup_name [ 157.613527] SK DEBUG look up symbol get_pfnblock_flags_mask [ 157.644191] LTTng: Loaded modules v2.13.8 (Nordicité) - devtool-base-1-g1011df74-dirty
Regards, Shahank On Mon, Mar 27, 2023 at 11:59 PM Michael Jeanson <mjean...@efficios.com> wrote: > On 2023-03-27 11:52, yashvardhan kukreti wrote: > > 62 #ifdef LTTNG_CONFIG_PPC64_ELF_ABI_V2 > > 63 /* Substract 4 bytes to get what we originally want */ > > 64 addr = (unsigned long)(((char *)probe.addr) - 4); > > 65 #elif defined*(LTTNG_*CONFIG_PPC64_ELF_ABI_V1) << incorrect MACRO > to > > used in gerrit review. this is the correct one. > > 66 /* > > 67 * Build a function descriptor from the address of > > > > /lttng-module-2.13.8/src/wrapper/kallsyms.c:72:32: error: invalid use of > > undefined type 'struct func_desc' > > | 72 | kallsyms_lookup_name_func_desc.addr = (unsigned > long)probe.addr; > > /lttng-module-2.13.8/src/wrapper/kallsyms.c:73:32: error: invalid use of > > undefined type 'struct func_desc' > > | 73 | kallsyms_lookup_name_func_desc.toc = ((struct func_desc *) > > &sprint_symbol)->toc; > > > > you either want to use func_descr_t > > > https://elixir.bootlin.com/linux/v5.15.104/source/arch/powerpc/include/asm/types.h#L30 > < > https://elixir.bootlin.com/linux/v5.15.104/source/arch/powerpc/include/asm/types.h#L30 > > > > or > > struct ppc64_opd_entry > > > https://elixir.bootlin.com/linux/v5.17.15/source/arch/powerpc/include/uapi/asm/elf.h#L293 > < > https://elixir.bootlin.com/linux/v5.17.15/source/arch/powerpc/include/uapi/asm/elf.h#L293 > > > > > > both of which are discontinued from 5.18 > > > Hi, > > I updated the patch at https://review.lttng.org/c/lttng-modules/+/9113 to > support kernels older than v5.18. It's only build tested on v5.17 and > v5.18. > > Michael > >
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