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