4.19-stable review patch. If anyone has any objections, please let me know.
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From: Namhyung Kim namhyung@kernel.org
[ Upstream commit 1af478903fc48c1409a8dd6b698383b62387adf1 ]
The text section starts after the ELF headers so PHDR.p_vaddr and others should have the correct addresses.
Fixes: babd04386b1df8c3 ("perf jit: Include program header in ELF files") Reviewed-by: Ian Rogers irogers@google.com Signed-off-by: Namhyung Kim namhyung@kernel.org Cc: Adrian Hunter adrian.hunter@intel.com Cc: Fangrui Song maskray@google.com Cc: Ingo Molnar mingo@kernel.org Cc: Jiri Olsa jolsa@kernel.org Cc: Lieven Hey lieven.hey@kdab.com Cc: Milian Wolff milian.wolff@kdab.com Cc: Pablo Galindo pablogsal@gmail.com Cc: Peter Zijlstra peterz@infradead.org Link: https://lore.kernel.org/r/20231212070547.612536-2-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo acme@redhat.com Signed-off-by: Sasha Levin sashal@kernel.org --- tools/perf/util/genelf.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/tools/perf/util/genelf.c b/tools/perf/util/genelf.c index 65e41e259af8..72860270e935 100644 --- a/tools/perf/util/genelf.c +++ b/tools/perf/util/genelf.c @@ -296,9 +296,9 @@ jit_write_elf(int fd, uint64_t load_addr, const char *sym, */ phdr = elf_newphdr(e, 1); phdr[0].p_type = PT_LOAD; - phdr[0].p_offset = 0; - phdr[0].p_vaddr = 0; - phdr[0].p_paddr = 0; + phdr[0].p_offset = GEN_ELF_TEXT_OFFSET; + phdr[0].p_vaddr = GEN_ELF_TEXT_OFFSET; + phdr[0].p_paddr = GEN_ELF_TEXT_OFFSET; phdr[0].p_filesz = csize; phdr[0].p_memsz = csize; phdr[0].p_flags = PF_X | PF_R;