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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-09-25 10:22:13 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-09-25 10:22:13 +0300 |
| commit | a12c689209185c1ad872723a644d0cd27e52d49c (patch) | |
| tree | 11c01d147a9241561eb7a3ad5a999e234be2750c /tools/perf/util/genelf.c | |
| parent | 4c8928850c9dc5c849ee37d89a79d44a283bdd87 (diff) | |
| parent | 7e2cd21e02b35483ce8ea88da5732d4d3ec3a6c9 (diff) | |
| download | linux-a12c689209185c1ad872723a644d0cd27e52d49c.tar.xz | |
Merge 7e2cd21e02b3 ("Merge tag 'tty-6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty") into tty-next
We need the tty fixes and api additions in this branch.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools/perf/util/genelf.c')
| -rw-r--r-- | tools/perf/util/genelf.c | 34 |
1 files changed, 25 insertions, 9 deletions
diff --git a/tools/perf/util/genelf.c b/tools/perf/util/genelf.c index 953338b9e887..d81b54563e96 100644 --- a/tools/perf/util/genelf.c +++ b/tools/perf/util/genelf.c @@ -30,10 +30,6 @@ #define BUILD_ID_URANDOM /* different uuid for each run */ -// FIXME, remove this and fix the deprecation warnings before its removed and -// We'll break for good here... -#pragma GCC diagnostic ignored "-Wdeprecated-declarations" - #ifdef HAVE_LIBCRYPTO_SUPPORT #define BUILD_ID_MD5 @@ -45,6 +41,7 @@ #endif #ifdef BUILD_ID_MD5 +#include <openssl/evp.h> #include <openssl/md5.h> #endif #endif @@ -142,15 +139,20 @@ gen_build_id(struct buildid_note *note, static void gen_build_id(struct buildid_note *note, unsigned long load_addr, const void *code, size_t csize) { - MD5_CTX context; + EVP_MD_CTX *mdctx; if (sizeof(note->build_id) < 16) errx(1, "build_id too small for MD5"); - MD5_Init(&context); - MD5_Update(&context, &load_addr, sizeof(load_addr)); - MD5_Update(&context, code, csize); - MD5_Final((unsigned char *)note->build_id, &context); + mdctx = EVP_MD_CTX_new(); + if (!mdctx) + errx(2, "failed to create EVP_MD_CTX"); + + EVP_DigestInit_ex(mdctx, EVP_md5(), NULL); + EVP_DigestUpdate(mdctx, &load_addr, sizeof(load_addr)); + EVP_DigestUpdate(mdctx, code, csize); + EVP_DigestFinal_ex(mdctx, (unsigned char *)note->build_id, NULL); + EVP_MD_CTX_free(mdctx); } #endif @@ -251,6 +253,7 @@ jit_write_elf(int fd, uint64_t load_addr, const char *sym, Elf_Data *d; Elf_Scn *scn; Elf_Ehdr *ehdr; + Elf_Phdr *phdr; Elf_Shdr *shdr; uint64_t eh_frame_base_offset; char *strsym = NULL; @@ -286,6 +289,19 @@ jit_write_elf(int fd, uint64_t load_addr, const char *sym, ehdr->e_shstrndx= unwinding ? 4 : 2; /* shdr index for section name */ /* + * setup program header + */ + 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_filesz = csize; + phdr[0].p_memsz = csize; + phdr[0].p_flags = PF_X | PF_R; + phdr[0].p_align = 8; + + /* * setup text section */ scn = elf_newscn(e); |