From a8eeab6936a2bd27b33b63aed7e2ef96034f7772 Mon Sep 17 00:00:00 2001 From: Janosch Frank Date: Wed, 30 Mar 2022 12:35:58 +0000 Subject: [PATCH 16/42] dump: Remove the section if when calculating the memory offset MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit RH-Author: Cédric Le Goater RH-MergeRequest: 226: s390: Enhanced Interpretation for PCI Functions and Secure Execution guest dump RH-Bugzilla: 1664378 2043909 RH-Acked-by: Thomas Huth RH-Acked-by: Cornelia Huck RH-Acked-by: Jon Maloy RH-Commit: [16/41] ff214d2c23b9cb16fd49d22d976829267df43133 When s->shdr_num is 0 we'll add 0 bytes of section headers which is equivalent to not adding section headers but with the multiplication we can remove a if/else. Signed-off-by: Janosch Frank Reviewed-by: Richard Henderson Reviewed-by: Marc-André Lureau Message-Id: <20220330123603.107120-5-frankja@linux.ibm.com> (cherry picked from commit 344107e07bd81546474a54ab83800158ca953059) Signed-off-by: Cédric Le Goater --- dump/dump.c | 24 ++++++++---------------- 1 file changed, 8 insertions(+), 16 deletions(-) diff --git a/dump/dump.c b/dump/dump.c index 972e28b089..5cc2322325 100644 --- a/dump/dump.c +++ b/dump/dump.c @@ -1826,23 +1826,15 @@ static void dump_init(DumpState *s, int fd, bool has_format, } if (s->dump_info.d_class == ELFCLASS64) { - if (s->shdr_num) { - s->memory_offset = sizeof(Elf64_Ehdr) + - sizeof(Elf64_Phdr) * s->phdr_num + - sizeof(Elf64_Shdr) * s->shdr_num + s->note_size; - } else { - s->memory_offset = sizeof(Elf64_Ehdr) + - sizeof(Elf64_Phdr) * s->phdr_num + s->note_size; - } + s->memory_offset = sizeof(Elf64_Ehdr) + + sizeof(Elf64_Phdr) * s->phdr_num + + sizeof(Elf64_Shdr) * s->shdr_num + + s->note_size; } else { - if (s->shdr_num) { - s->memory_offset = sizeof(Elf32_Ehdr) + - sizeof(Elf32_Phdr) * s->phdr_num + - sizeof(Elf32_Shdr) * s->shdr_num + s->note_size; - } else { - s->memory_offset = sizeof(Elf32_Ehdr) + - sizeof(Elf32_Phdr) * s->phdr_num + s->note_size; - } + s->memory_offset = sizeof(Elf32_Ehdr) + + sizeof(Elf32_Phdr) * s->phdr_num + + sizeof(Elf32_Shdr) * s->shdr_num + + s->note_size; } return; -- 2.37.3