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Code Issues Releases Activity

java/openjdk8: commit forgotten patch

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Reported by:	mikael
This commit is contained in:
Piotr Kubaj 2023-02-20 14:43:24 +01:00
parent dff8e13188
commit 27753529c1
1 changed files with 50 additions and 0 deletions
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50
java/openjdk8/files/patch-hotspot_agent_src_os_bsd_symtab.c Normal file
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@ -0,0 +1,50 @@
--- hotspot/agent/src/os/bsd/symtab.c.orig 2023-02-18 20:21:09 UTC
+++ hotspot/agent/src/os/bsd/symtab.c
@@ -204,6 +204,38 @@ struct elf_section {
void *c_data;
};
+/* Find an ELF section. */
+static struct elf_section *find_section_by_name(char *name,
+ int fd,
+ ELF_EHDR *ehdr,
+ ELF_SHDR *shbuf,
+ struct elf_section *scn_cache)
+{
+ ELF_SHDR* cursct = NULL;
+ char *strtab;
+ int cnt;
+
+ if (scn_cache[ehdr->e_shstrndx].c_data == NULL) {
+ if ((scn_cache[ehdr->e_shstrndx].c_data
+ = read_section_data(fd, ehdr, cursct)) == NULL) {
+ return NULL;
+ }
+ }
+
+ strtab = scn_cache[ehdr->e_shstrndx].c_data;
+
+ for (cursct = shbuf, cnt = 0;
+ cnt < ehdr->e_shnum;
+ cnt++, cursct++) {
+ if (strcmp(cursct->sh_name + strtab, name) == 0) {
+ scn_cache[cnt].c_data = read_section_data(fd, ehdr, cursct);
+ return &scn_cache[cnt];
+ }
+ }
+
+ return NULL;
+}
+
// read symbol table from given fd.
struct symtab* build_symtab(int fd) {
ELF_EHDR ehdr;
@@ -263,7 +295,7 @@ struct symtab* build_symtab(int fd) {
}
#if defined(ppc64)
- opd_sect = find_section_by_name(".opd", fd, &ehdr, scn_cache);
+ opd_sect = find_section_by_name(".opd", fd, &ehdr, cursct, scn_cache);
if (opd_sect != NULL && opd_sect->c_data != NULL && opd_sect->c_shdr != NULL) {
// plausibility check
opd = opd_sect->c_shdr;